 |
 |
 |
|
|
|
PAGE SEVEN OF REPORTS: R.A. 17h 28m 30s To 17h 47m 59s
These observing reports correspond to the objects high-lighted in SEC Data Base.
Unless otherwise noted, these reports are possible through the courtesy of Steve
Gottlieb, Kent Wallace and Maurice Clark (Australia).
M2_13 = PK 11+11.1
17 28.5 -13 27
17.5: visible as a mag 14.0-14.5 "star" without a filter. Good contrast
gain with an OIII filter and appears stellar. Good mag 13 comparison star
for blinking is 1.2' NW. Located 13' NW of mag 9.1 SAO 160577.
H1_13 = Haro1_13 RA 17,28.5 DEC -35,08 MAG 16.2 CSM ? SIZE 11"x3" on 07/07/96. At 254X, very faint, small disk, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. No central star was visible. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector VIEW IMAGE
H1_15 = Haro1_15 RA 17,28.6 DEC -24,51 MAG 16.3 CSM 16.3 SIZE 6"x5" on 09/20/95. At 254X, faint, stellar, requiring the UHC filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Th3_19, RA 17,28.7 DEC -28,27 MAG ? CSM ? SIZE stellar, on 06/30/97. At 254X, stellar, very faint unsteady image, requiring the UHC filter and averted vision. Fair response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. I couldn't have found this PN without the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
M4_4 = PK 357+2.5 = PN G 357.0+02.4
17,28.8 -30,08
MAG 18.2 SIZE 7" on 06/27/00. Tried to find this PN but had no luck.
Did
identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Abell41 = PK 9+10.1 View
Image
17 29.0 -15 13
17.5: at 220x without filter appears as a faint, small, round disc of low
even surface brightness. Very unusual filtration response as dims with
OIII and UHC filters! At 280x without filter, the disc is very evident.
Abell 41 = PK 9+10.1
17 29 02.0 -15 12 59
V = 15.6; Size 16"x7"
17.5" (7/22/00): picked up unfiltered at 220x as a very faint, small disc,
~15" diameter. Easier to view at 280x and could almost hold continuously.
Appears to brighten towards the center and increase in size with averted
vision. This low excitation PN gave no response to a UHC filter at 140x-280x
or with a H-beta filter at 140x.
Abell41, RA 17,29.1 DEC -15,13 MAG 15.6 CSM 16.5 SIZE 16"x7" on 06/06/97. At 134X, barely visible using the O-III filter and averted vision. At 169X, faint, small fuzzy disk using the O-III filter and averted vision. Fair response to the O-III & UHC filters. No response to the H-B filter. At 254X, can see the PN as a small faint disk with averted vision alone. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
M1_20 = PK 6+8.1
17 29.0 -19 16
13: at 166x this is a fairly bright stellar pn, estimate V = 13.
Significant contrast gain with UHC filter. Located 2.5' ENE of a nice
double star (mag 12 pair at 15" in PA 60°). Appears stellar at 214x.
NGC6369
= PK 2+5.1 = Little Gem Nebula View
Image
17 29 20.1 -23 45 44
V = 11.4; Size 30"
17.5" (6/5/99): bright, beautiful annular planetary at 380x with a
well-defined dark central hole. The rim is clearly brighter along the N
edge
and slightly weaker on the following edge.
17.5": bright, fairly small, about 30" diameter, green-blue color.
Appears
as a perfect annular ring at 286x with a 15" central "hole".
No central star
visible.
13": beautiful ring at 214x and UHC filter, small, slightly elongated.
The N
edge of the rim appears brighter.
NGC 6369 = PK 2+5.1 = Little Gem Nebula (7/2000)
17 29 20.1 -23 45 44
V = 11.4; Size 30"
At 500x the "Little Gem Nebula" has a beautiful annular appearance
with a
25-30" halo perforated by a 12" dark hole. The northern rim is
noticeably
brighter with a nearly stellar spot near its center.
Ngc6369-Pk2+5.1 = 17H29.3 -23°46' Ophiuchus
To the 8 inch G240x+OIII, small PN, patrol and one notes an aspect of ring structure.
Object contrasted. (24/06/98 T=1 S=2)
Damien Ponsot, France (Legend: T=Transparency; S=Seeing (1=Very Good, 5=
Very Bad)
H2_11 = Haro2_11 = PK 000+4.1 = PN G 000.7+04.7
17,29.4 -25,49
MAG 19.1 SIZE 3" on 06/29/00. Tried to find this PN but had no luck.
Could
not identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
H1_16 = Haro1_16 RA 17,29.4 DEC
-26,26 MAG 15.5 CSM ? SIZE 5" on 07/18/96. At 79X, relatively bright,
stellar, requiring the O-III filter and averted vision. At 134X, strong response
to the O-III & UHC filters. No response to the H-B filter. Still stellar. It
is in an area heavily obstructed by dust. At 169X, can see the PN as a faint
star, but the O-III filter was required to identify it as a PN. At 254X, still
stellar. Even if the PN was where it was supposed to be, I couldn't identify it
in the SEC finder chart because the finderchart doesn't have any good reference
points. This is a first known visual sighting. Kent Wallace, Navaho Flats,
California, 20" f 5.0 reflector.
H1_17 = Haro1_17 RA 17,29.7 DEC -28,41 MAG 15.4 CSM ? SIZE 5" on 06/30/97. At 134X & 169X, stellar, relatively bright, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. At 254X could see the PN with averted vision alone but it required the UHC filter to identify it as a PN. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_18
= Haro1_18 RA 17,29.7 DEC
-29,33 MAG 16.5 CSM ? SIZE stellar, on 08/06/96. At 254X, stellar, faint,
requiring the O-III filter and averted vision. Good response to the O-III
filter. Fair response to the UHC filter. No response to the H-B filter. Image is
best at 363X using the O-III filter and averted vision. Identified the field in
the SEC finderchart. This is a first known visual sighting.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
H1_19 = Haro1_19 = PK 358+3.4 = PN G 358.9+03.4
17,30.0 -27,59
MAG 17.6 SIZE stellar on 06/22/00. At 169X, stellar, extremely faint,
unsteady but there, requiring the O-III filter and averted vision. fair
response to the O-III and UHC filters. No response to the H-B filter.
At
254X the image is worse than that at 169X. Identified the field in the SEC
finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Wray16_278 = PK 344-6.1 = PN G 344.4-06.1
17,30.1 -45,23
MAG 17.7 SIZE stellar on 06/29/00. Tried to find thie PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Al2_E = PK 359+3.4 = PN G 359.3+03.6
17,30.2 -27,30
MAG 19.8 SIZE stellar on 06/30/00. At 254X, stellar, extremely faint,
requiring the O-III filter and averted vision. Fair response to the O-III
&
UHC filters. No response to the H-B filter. Idntified the field in
the SEC
finderchart. Could not have found this PN without the SEC finderchart.
This PN can't be MAG 19.8, it must be around MAG 17.0. This is a first
known visual sighting.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Th3_23, RA 17,30.4 DEC
-29,10 MAG ? CSM ? SIZE stellar, on 06/30/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Al2_F = PK 358+2.4 = PN G 358.5+02.9
17,30.5 -28,36
MAG 18.5 SIZE stellar on 06/29/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
H2_12 = Haro2_12 RA 17,30.6 DEC -21,29 MAG ? CSM ? SIZE 5" on 06/30/97. Tried to find this PN but had no luck. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_20
= Haro1_20 RA 17,30.7 DEC
-28,04 MAG 16.0 CSM ? SIZE 5"x4" on 08/06/96. At 169X, stellar,
requiring the UHC filter and averted vision. Good response to the O-III &
UHC filters. No response to the H-B filter. At 254X can see the PN with averted
vision alone but needed the UHC filter to identify it as a PN. Identified the
field in the SEC finderchart. This is a first known visual sighting.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Th3_25 = PK 359+3.2 = PN G 359.8+03.7
17,30.8 -27,06
MAG 19.7 SIZE 7" on 06/30/00. Tried to find this PN but had no luck.
I
think I identified the field in the SEC finderchart even though there wasn't
much on the SEC finderchart because this is a dusty area.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector
Th3_24 = PK 357+2.7 = PN G 357.1+01.9
17,30.9 -30,17
MAG 19.8 SIZE stellar on 06/29/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Th3_55 = PK 356+2.1 = PN G 356.5+01.5
17,31.0 -31,01
MAG 19.7 SIZE stellar on 06/29/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
H2_13 = Haro2_13 RA 17,31.1 DEC
-30,11 MAG 16.6 CSM ? SIZE stellar, on 08/16/96. At 169X, very faint, stellar,
requiring the O-III filter and averted vision. Image is best at 254X. Good
response to the O-III filter. Fair response to the UHC filter. No response to
the H-B filter. Identified the field in the SEC finderchart. This is a first
known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0
reflector.
Th3_26, RA 17,31.2 DEC -28,15 MAG 17.0 CSM ? SIZE 6" on 07/07/97. At 169X & 254X, extremely faint, fuzzy, either stellar or very small disk, unsteady image requiring the O-III filter and averted vision. Fair response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Abell42, RA 17,31.5 DEC -08,19 MAG 16.5p CSM 20.3p SIZE 60"x57" on 07/09/96. Tried to find this PN but had no luck. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
HDW8, RA 17,31.8 DEC -28,42 MAG 14.9 CSM ? SIZE 37" on 06/09/96. At 169X, nice small disk, faint, requiring the O-III filter and averted vision. Good response to the O-III and UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector. VIEW IMAGE
H1_22
= Haro1_22 RA 17,32.3 DEC
-37,58 MAG 16.7 CSM ? SIZE stellar, on 07/07/97.
Tried to find this PN but had
no luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H2_14
= Haro2_14 RA 17,32.3 DEC
-39,51 MAG 15.8 CSM ? SIZE 20" on 07/03/97. VIEW
IMAGE
Tried to find this PN but had
no luck. Could not identify the field in the SEC finderchart. Kent Wallace,
Navaho Flats, California, 20" f 5.0 reflector.
Al2_G, RA 17,32.4 DEC
-28,15 MAG ? CSM ? SIZE stellar, on 07/07/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_23 = Haro1_23 RA 17,32,8 DEC -30,00 MAG 15.6 CSM ? SIZE 3" on 08/11/96. At 254X, faint, stellar, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_21 = Haro1_21 RA 17,32.8 DEC -40,58 MAG 15.2 CSM ? SIZE stellar, on 08/11/96. At 134X, stellar, requiring the O-III filter and averted vision. At 254X, can see the PN with averted vision alone. It forms a pair with a faint star to the east. The faint star is brighter than the PN until the O-III filter is used, then the PN is brighter than the star. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Wray16_286, RA 17,33.0 DEC -36,44 MAG 16.1 CSM ? SIZE stellar, on 08/11/96. At 254X, stellar, faint, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. Couldn't have found the PN without the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Al2_H, RA 17,33.3 DEC
-30,27 MAG ? CSM ? SIZE stellar, on 07/07/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_24 = Haro1_24 RA 17,33.6 DEC -21,46 MAG 16.2 CSM ? SIZE 9" on 08/11/96. At 169X, stellar, faint, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Al2_K, RA 17,34.2 DEC
-27,56 MAG ? CSM ? SIZE stellar, on 07/07/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H2_15 = Haro2_15 RA 17,34.4 DEC -22,53 MAG 17.3 CSM ? SIZE 5"x4" on 07/07/97. Tried to find this PN but had no luck. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
He2_250, RA 17,34.9 DEC -26,36 MAG 17.1 CSM ? SIZE 6" on 07/24/97. At 169X & 254X, stellar, extremely faint, unsteady image requiring the UHC filter and averted vision. Fair response to the UHC & O-III filters. No response to the H-B filter. Image is best at 254X with the UHC filter. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
MeWe1_10
VIEW IMAGE
17 34.5 -54 29
Mag ? Size= 60"
On 03/16/99. Tried to find this PN but had no luck.
Kent Wallace, Western Australia. 8" SCT.
M1_22 = PK 7+7.1
17 35.2 -18 34
17.5: at 220x a very faint small disc is visible unfiltered. Confirmed
with OIII filter and appears roughly 6" diameter. Three mag 14 stars are
about 1' NW, 1' NNE and 1' E. Also forms an equilateral triangle with two
mag 11.5-12 stars 4' ENE and 4' SE.
M4_6 = PK 358+1.1
17 35.2 -29 03
13: not found
M4_6 = PK 358+1.1 = PN G 358.6+01.8
17,35.2 -29,03
MAG 18.4 SIZE stellar on 07/22/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
Th3_32, RA 17,35.3 DEC
-28,07 MAG ? CSM ? SIZE stellar, on 07/24/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
M3_11, RA 17,35.4.DEC -20,57 MAG 17.7 CSM 17.2 SIZE 12" on 07/03/97. At 169X & 254X, very faint, stellar, unsteady image, requiring the UHC filter and averted vision. Fair response to the UHC filter. No response to the O-III & H-B filters. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector. VIEW IMAGE
Al2_J, RA 17,35.6 DEC -27,24 MAG ? CSM ? SIZE 9" on 07/25/97. Tried to find this PN but had no luck. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
TrBr4, RA 17,35.7 DEC
-30,21 MAG ? CSM ? SIZE 30" on 07/24/97. VIEW
IMAGE
Tried to find this PN but had no
luck. Identified the field in the SEC finderchart. Kent
Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Lo16,
Longmore 16, Lo 16, PK 349-04.1, PN G 349.3-04.2 VIEW
IMAGE
RA 17,35.5 DEC -40,12 MAG 13.4 SIZE 83" CON Sco SKY 22 URA 408 MILL 1459.
This PN was discovered by A.J. Longmore in 1977.
Field Description: At 62.5X and 100X, faint moderately sized disk, requiring the
O-III filter and averted vision. Good response to the O-III & UHC
filters. No response to the H-B filter. At 200X, nothing was
visible.
Identified the field in the SEC finderchart.
Observed at Mt. San Emidigo on 08/09/96 and at Navaho Flats on 06/13/01 by
Kent Wallace using an 8" f/10 SCT. [306]
PC17 = Peimbert/Costero 17 = PK 343-7.1 = PN G 343.5-07.8
RA 17,35.7 DEC –47,00 MAG 13.4 SIZE 6” CON Ara SKY 22 URA 408 MILL 1479
This PN was discovered by Manuel Peimbert and Rafael Costero in 1961.
Field Description: At 62.5X, stellar, requiring the O-III filter and averted
vision. Good response to the O-III
filter. Fair response to the UHC
filter. No response to the H-B
filter. At 100X, the image is
better but still requires the O-III and averted vision.
At 200X, the image is very poor, requiring the UHC filter and averted
vision.
Observed at Navaho Flats on 06/23/93 & 07/08/93 by Kent Wallace using an
8” f/10 SCT.
Th3_33, RA 17,35.8 DEC
-27,43 MAG ? CSM ? SIZE 6" on 07/25/97. Tried to find this PN but had no
luck. Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Th3_27, RA 17,36.0 DEC
-24,26 MAG 15.8 CSM ? Size 10" on 08/16/96. VIEW
IMAGE
At 134X, extremely faint, very
unsteady, small fuzzy disk, requiring the O-III filter and averted vision. Fair
response to the O-III & UHC filters. No response to the H-B filter. Image is
not much improved at 169X or 254X. Identified the field in the SEC finderchart.
This is a first known visual sighting. Kent
Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Al2_1, RA 17,36.2 DEC
-28,01 MAG ? CSM ? SIZE stellar, on 07/25/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
M3_12, RA 17,36.4 DEC -21,31 MAG 14.8 CSM ? SIZE 7"x5" on 07/07/97. At 134X, stellar, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. At 169X, there is a hint of the PN with averted vision alone. At 254X, can see the PN with averted vision alone but required the UHC filter to identify it as a PN. There is a faint star next to the PN. There is a neat circle of stars in the field of the PN. Identified the field in the SEC finderchart. The circle of faint stars shows up in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Haro1_26 =
H1_26 = PK 350-3.1 VIEW
IMAGE
17 36.5 -39 22
17.5: at 140x and OIII filter a faint, very small round disc is easily
visible between 15-20" diameter, estimate V = 14.5. Located 1.5' W of a
mag 10 star. Very faint although visible unfiltered. No central of
superimposed stars.
BlB = PK 358+4.1 = PN G 358.3+01.2
17,37.0 -29,40
MAG 19.4 SIZE stellar, on 07/22/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderscope.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
M1_23 = PK 7+6.1
17 37.4 -18 47
17.5: visible as a mag 14-14.5 "star" without filter at 220x. Excellent
contrast gain with OIII filter and appears stellar. Situated just N of a
string of four or five mag 14-14.5 stars. Three mag 11-12 stars are nearly
equidistant (4'-5') NE, NW and W. Located 13' NNE of SAO 160691 (V = 7.4).
PBOZ24, RA 17,37.9 DEC
-25,21 MAG ? CSM ? SIZE stellar, on 07/25/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
M1_24 = PK 7+6.2
17 38.2 -19 38
13: at 166x appears as faint star of mag 14 forming a close double with
similar star just SE about 15" separation. Located at midpoint of two mag
12 stars 2.7' SW and 2.6' NE. Confirmed with UHC blink although the
contrast gain is small. Appears stellar at 214x. Confirmed on P-K finder
chart.
M1_25 = PK 4+4.1
17 38.5 -22 09
17.5: at 105x appears as a very faint stellar object, estimate V =
14.7-15.0. Improves significantly with OIII filter. Located 6' SE of a
small clumping of stars including a couple of mag 10 stars and 14' SSW of
mag 6.7 SAO 185584.
Th3_35, RA 17,38.7 DEC
-28,43 MAG ? CSM ? SIZE stellar, on 07/27/97. Tried to find this PN but had no
luck. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
He2_260, RA 17,39.0 DEC
-18,18 MAG ? CSM 14.3 SIZE 10" on 07/25/97. VIEW
IMAGE
Identified the PN from the SEC
finderchart. No response to any filter. Perhaps the central star overpowers the
nebula. Kent Wallace, Navaho Flats,
California, 20" f 5.0 reflector.
19W32, RA 17,39.0 DEC -28,57
MAG ? CSM 17.2 SIZE 24" on 07/27/97. VIEW
IMAGE
Tried to find this PN but had no luck.
Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Fg2 = Fleming 2 = PK 346-6.1 = PN G 346.3-06.8
RA 17,39.3 DEC –44,10 MAG 12.6 SIZE 5” SKY 22 URA 408 MILL 1458
This PN was discovered by Williamina Fleming in 1900.
Field Description: At 62.5X, can see as a faint star with averted vision alone,
but the PN requires the O-III filter to identify it as a PN.
Good response to the O-III & UHC filters.
No response to the H-B filter. At
100X, can see directly as a faint star, requiring the UHC filter to identify it
as a PN. At 200X, the PN resolves
into a pair of faint stars with the brighter component on the west side.
The PN appears to be the brighter western component.
Observed at Navaho Flats on 05/29/94 & 06/08/94 by Kent Wallace using an
8” f/10 SCT.
Haro2_16 = H2_16 = PK 5+5.2 = E588-PN15
VIEW IMAGE
17 39.9 -21 14
17.5: at 105x and 220x a mag 14 star is visible at the ESO-Strausberg
position almost on a line with two stars mag 13 stars 1.0' N and 1.4' N.
Using an OIII filter a small disc 5"-10" diameter is visible over 50% of
the time but cannot hold continuously. The mag 14 star observed without a
filter may be a superimposed field star or the central star. Estimate V =
14.5-15.
H2_16 = Haro2_16 RA 17,39.9 DEC -21,14 MAG 15.4 CSM ? SIZE 17" on 07/27/97. At 134X, 169X & 254X, faint fuzzy disk requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H2_17 = Haro2_17 RA 17,40.1 DEC -24,26 MAG ? CSM >21.0p SIZE 3" on 07/27/97. Tried to find this PN but had no luck. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_27 = Haro1_27 RA 17,40.3 DEC -22,19 MAG 15.6 CSM ? SIZE 7"x4" on 07/27/97. At 134X, stellar, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. At 169X, it looks like a hint of the PN can be seen with averted vision alone. At 254X, could definitely see the PN as a faint star with averted vision alone but required the UHC filter to identify it as the PN. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
He2_262, RA 17,40.3 DEC -26,44 MAG ? CSM ? SIZE 4" on 07/30/97. Tried to find this PN but had no luck. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
K1_4, RA 17,40.5 DEC -27,01 MAG 16.5p CSM 20.3p
SIZE 47"x33" on 07/30/97. At 134X, 169X & 254X nice faint fuzzy
good sized disk requiring the O-III filter and averted vision. There is a
relatively bright star on the NE side of the PN. Good response to the O-III
& UHC filters. No response to the H-B filter. The image is best at 134X. At
254X no central star could be seen. Identified the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
VIEW IMAGE
M3_13 = PK 005+4.2 = PN G 005.2+04.2
17,41.6 -22,13
MAG 18.6 SIZE stellar on 06/23/00. Tried to find this PN but had no luck.
Did identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
DeHt2, RA 17,41.7 DEC +03,07 MAG 16.3 CSM 15.0
SIZE 94" on 07/09/96. VIEW
IMAGE
Tried to find this PN but had no luck. Identified the
field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Hb4 = PK 3+2.1 = Hubble4
17 41.9 -24 42
13: stellar at 79x and responds well to OIII blink, estimate V = 13.0. At
214x and UHC filter appears fairly bright and a very small disc 5"-8"
diameter is visible.
M2_14, RA 17,42.0 DEC -24,11 MAG 18.0 CSM ? SIZE stellar, on 08/03/99. At 169 & 254X, stellar, not too faint, requiring the O-III filter and averted vision. Fair response to the O-III & UHC filters. No response to the H-B filter. Definitely not MAG 18.0, maybe MAG 16.5. Identified the field in the SEC finderchart. This is a first Known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Sa2_230, RA 17,42.0 DEC -15,56 MAG 16.2 CSM ?
SIZE 10" on 07/09/96. At 254X, small faint fuzzy disk, requiring the O-III
filter and averted vision. Good response to the O-III & UHC filters. No
response to the H-B filter. No central star was visible. The PN is very close to
a relatively bright star. Kent Wallace,
Navaho Flats, California, 20" f 5.0 reflector.
VIEW IMAGE
Sa2_230 = PK 10+7.1
17 42.1 -15 56
17.5: identified using 220x and OIII blinking. Appears as a very faint
disc ~6" diameter which is visible continuously with averted vision.
Located close NE [26"] of a mag 12 star which forms a double with a mag 15
companion 10" NE without a filter. The PN is very close NE of the faint
companion [14"] and initially I thought the faint star might be the
planetary. Once identified with filter, the nonstellar pn was visible part
of the time unfiltered with averted vision. Estimate mag V = 15.5. Barely
visible on DSS.
K1_14 = PK 45+24.1
VIEW IMAGE
17 42.5 +21 27
17.5: at 105x and OIII filter a bright mag 13.5 interior star is visible
surrounded by a very faint, small halo which requires averted vision.
Te5 = PN G 002.3+02.2
17,42.5 -25,45
MAG 18.4 SIZE 8" on 06/23/00. Tried to find this PN but had no luck.
Did
identify the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
K1_14, RA 17,42.6 DEC +21,27 MAG 15.6 CSM 16.4
SIZE 47" on 08/22/97. At 134X, a small faint envelope around a relatively
bright star requiring the O-III filter and averted vision. Fair response to the
O-III & UHC filters. No response to the H-B filter. At 254X, the central
star is a double with a faint companion next to the relatively bright central
star. The PN is still a faint envelope around this double. Identified the field
in the SEC finderchart. Kent Wallace, Navaho
Flats, California, 20" f 5.0 reflector.
Te2022, RA 17,42.7 DEC -29,52 MAG ? CSM 14.9
SIZE 12" on 07/12/96. VIEW
IMAGE
Tried to find this PN but had no luck. Identified the
field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
H1_28 =
Haro1_28 RA 17,42.9 DEC -39,36 MAG 17.3 CSM ? SIZE
8" on 07/30/97. At 169X, stellar, unsteady, very faint, requiring the O-III
filter and averted vision. Would not have found it without the SEC finderchart
which was right on. Fair response to the O-III & UHC filters. No response to
the H-B filter. At 254X the PN showed up better but it is still very faint.
There is a hint of a fuzzy disk, requiring the UHC filter and averted vision.
This is a first known visual sighting.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
H2_18 = Haro2_18 RA 17,43.5 DEC -21,10 MAG 16.1 CSM ? SIZE 4" on 08/28/97. At 134X, stellar, requiring the O-III filter and averted vision. Good response to the O-III & UHC filters. No response to the H-B filter. At 169X & 245X could see the PN as a faint star with averted vision alone but needed the UHC filter to identify it as a PN. Identified the field in the SEC finderchart. This area is obscured by dust. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Te1580, RA 17,43.7 DEC -25,37 MAG 17.3 CSM ?
SIZE 11" on 07/30/97. VIEW
IMAGE
Tried to find this PN but had no luck. Identified the
field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
H1_29 = Haro1_29 RA 17,44.2 DEC -34,17 MAG 15.1 CSM ? on 08/23/97. At 134X, stellar, requiring the O-III filter and averted vision. Good response to the O-III and UHC filters. No response to the H-B filter. At 169X the image is better but still stellar requiring the O-III filter and averted vision. At 254X can just see the PN with averted vision as a very faint star but needed the UHC filter to identify it as a PN. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_29 = PK 355-2.2 = PN G355.2-02.5 (Steve Gottlieb)
17 44 13.8 -34 17 33
V = 15.1; Size <5"
17.5" (8/15/01): located position at 100x, 1.5' N of a mag 11.5 star and 5'
WNW of a small clump of four stars including one mag 10, but the PN was not
visible. At 220x, a couple of extremely faint "stars" were
visible close to
the plotted position. The PN was identified with UHC filter which gave a
modest contrast gain. The other nearby stars were not visible with the
filter. H1-29 appeared soft, perhaps 2"-3" diameter. At
280x, visible
without filter as the first three equally spaced mag 15 stars oriented E-W in
a 1' string (roughly 30" apart). Estimate V = 15. Several
planetaries are
within the neighborhood including M3-14 11' N, H1-31 23' SE and H1-32 27' NE.
M3_14 = PK 355-2.1
VIEW IMAGE
17 44.3 -34 07
17.5: at 140x and OIII filter appears very faint and stellar. Not visible
without filter so very good contrast gain. At 220x just seen without
filter, faint with OIII filter at this magnification but pops out nicely
with averted vision, estimate V = 15.0. Planetary nebula H1-32 lies 22'
ESE.
M3_14, RA 17,44.3 DEC -34,07 MAG 14.6 CSM ? SIZE 10"x5" on 08/23/97. At 134X, stellar, requiring the O-III filter and averted vision. Good response to the O-III and UHC filters. No response to the H-B filter. At 169X, the image is better but still requires the O-III filter and averted vision. At 254X, can see the PN with averted vision alone but needed the UHC filter to identify it as a PN. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Sa2_237, RA 17,44.7 DEC -15,45 MAG ? CSM 15.5 SIZE stellar, on 07/30/97. At 79X, relatively bright, requiring the O-III filter and averted vision. At 134X, 169X & 254X, weird appearance, non stellar, elongated, perhaps bipolar, definitely two blobs. Good response to the O-III & UHC filters. No response to the H-B filter. At 254X, was able to identify the field in the SEC finderchart but it wasn't easy because the SEC finderchart is overexposed. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector. VIEW IMAGE
Sa2_237 = PK 11+7.1 = PN G11.1+07.0 (Steve Gottlieb)
17 44 42.1 -15 45 13
17.5" (8/17/01): this was the second observation of Sa 2-237 in the past
week
and I upped the power immediately to 380x which provided an excellent view.
The central was fairly easy at this power and the elongated glow had an
irregular surface brightness. Exteneded nearly 3:1 WSW-ENE, ~25"x8".
I had
the impression the nebulosity was weaker around the central star with a
brighter quasi-stellar knot to the ENE.
17.5" (8/12/01): this very unusual bi-polar planetary was picked up
unfiltered at 220x as a faint, elongated glow, appearing more like a dim
galaxy than a PN. At this power there was a modest contrast gain with a
UHC
filter. The best view as unfiltered at 280x-380x. This object
appeared
elongated ~7:2 SW-NE, ~25"x7" and seemed brighter toward the center.
At
moments a very star seemed involved. Based on the CCD image at
http://www.ctio.noao.edu/REU/ctioreu_2001/rudy/PN.html,
this may have been
the central star or a superimposed star very close north of center. The
extensions are reminiscent of the two bi-polar jets in M2-9. Discovered in
1975.
K1_15, RA 17,45.0 DEC +27,20 MAG 17.2p CSM 20.3p
SIZE 43" on 05/29/97. VIEW
IMAGE
Tried to find this PN but had no luck. Identified the
field in the SEC finderchart. Kent Wallace,
Navaho Flats, California, 20" f 5.0 reflector.
H1_30 =
Haro1_30 RA 17,45.1 DEC -38,09 MAG 16.2 CSM ? SIZE
6"x5" on 07/12/96. At 134X, the PN is stellar, very faint, requiring
the O-III filter and averted vision. Fair response to the O-III and UHC filters.
No response to the H-B filter. Identified the field in the SEC finderchart. This
is a first known visual sighting.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Te1567, RA 17,45.5 DEC -25,38 MAG 17.9 CSM ?
SIZE 10" on 09/12/99. VIEW
IMAGE
Tried to find this PN but had no luck. Did identify
the field in the SEC finderchart. Kent
Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_31 = Haro1_31 RA 17,45.5 DEC -34,34 MAG 14.5 CSM ? SIZE 5" on 07/12/96. At 79X the PN is stellar, requiring the O-III filter and averted vision. Good response to the O-III and UHC filters. No response to the H-B filter. The image is best at 254X. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H1_31 = PK 355-2.4 = PN G355.1-02.9 = E393-021 (Steve Gottlieb)
17 45 32.3 -34 33 56
V = 14.5; Size <5"
17.5" (8/15/01): Starhopped over at 220x from H1-29 and easy to pinpoint
location as situated just 1.2' SE of mag 9.4 SAO 209224. Visible as a
faint
star without filter at 220x. Good contrast gain with UHC at 280x.
Possibly
nonstellar, perhaps 3" diameter. H1-29 lies 23' NW.
IC4663 = PK 346-8.1 = E279-PN6 View
Image
17 45.5 -44 54
13: at 166x a nice disc about 15" diameter is clearly visible. Appears
brighter than planetary Hb 4 by half a magnitude, estimate V = 12.5.
Easily takes 214x power and a mag 13 star is visible 45" ENE of center.
Located 17' N of double star h4973 = 8.3/9.1 at 13". Very far S for
viewing from Northern California.
M3_15 = PK 6+4.2
17 45.5 -20 58
17.5: at 105x visible as a mag 14.5-14.8 stellar object. Easily verified
with OIII blinking and exhibits a very good contrast gain. Visible without
filter at 220x, still appears stellar. A similar comparison star for
blinking is 45" SE.
IC1266 = PK 345-8.1 = Thackery 1 = E279-PN7 View
Image
17 45.6 -46 05
13: not found. Very low emission.
Pe1_9, RA 17,45.6 DEC -23,02 MAG 17.9 CSM
>21.0p SIZE 15"x9" on 08/12/99. VIEW
IMAGE
Tried to find this PN but had no
luck. Identified the field in the SEC finderchart. Kent
Wallace, Navaho Flats, California, 20" f 5.0 reflector.
H2_20 =
Haro2_20 RA 17,45.7 DEC -25,40 MAG 19.8 CSM ? SIZE
4" on 09/12/99. Tried to find this PN but had no luck. Did identify the
field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
M1_26 = Minkowski 1_26 = PK 358-0.2 = PN G 358.9-00.7
RA 17,46.0 DEC –30,12 MAG 13.8 SIZE 5”x4” CON Sco SKY 22 URA 377 MILL 1316
This PN was discovered by Rudolph Minkowski in 1946.
Field Description: At 62.5X, can see the PN as a faint star with averted vision
alone, requiring the UHC filter and averted vision to identify it as a PN.
The PN forms a pair with a star that is a bit brighter than the PN. Through the O-III filter the PN appears brighter than its
partner. Good response to the O-III
& UHC filters. No response to
the H-B filter. At 100X, can see
the PN directly as a faint star but it still requires the UHC filter to identify
it as a PN. At 200X, no disk is
visible.
Observed at Navaho Flats on 06/16/93 & 06/18/93 by Kent Wallace using an
8” f/10 SCT.
Bl D , RA 17,46.0 DEC -31,04 MAG 16.0 CSM ? SIZE
14"x9" on 07/03/97. VIEW
IMAGE
Tried to find this PN but had no luck. Identified
the field in the SEC finderchart.
Kent Wallace, Navaho Flats, California,
20" f 5.0 reflector.
Haro1_32 = H1-32 = PK 355-2.3
17 46.1 -34 04
17.5: at 220x with OIII filter visible as a faint mag 14.5 stellar object.
Collinear with a pair of mag 11.5-12 stars at 30" separation located 2'
ESE. With the filter the planetary is only 1/2 magnitude fainter than this
pair. Planetary nebula M2-17 located 22' WNW in the same low power field.
Th4_2, RA 17,46.2 DEC -18,40 MAG 16.6 CSM ? SIZE 20"x18" on 09/20/95. It was a very faint, small, fuzzy disk, requiring the O-III filter and averted vision. The image is unsteady but there. The PN is next to a star and no central star was visible. The image was best at 169X. Identified the field in the SEC finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector. VIEW IMAGE
Th4_1, RA 17,46.3 DEC -20,14 MAG 17.3 CSM 18.2 SIZE stellar, on 08/22/97. Tried to find this PN but had no luck. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
M1_27, RA 17,46.8 DEC -33,09 MAG ? CSM 14.5 SIZE 5" on 08/22/97. Found a faint star where M 1-27 should be but there is no response to any filter. Perhaps the central star overwhelms the nebula. It was right where the SEC finderchart said it should be. No other stars near it as bright. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
M2_15 = PK 11+6.1
17 46.9 -16 17
17.5: at 220x without filter appears as a fairly faint very small disc,
about 5" diameter, estimate V = 13.5-14.0. Good contrast gain with OIII
filter and the disc stands out well. Lies within a string of seven mag
12-13 stars.
Silkworm Nebula (Proto_PN) (Proto PN)
17,47.1 -24,13
MAG ? SIZE <5" on 06/23/00. Tried to find this proto-PN but had no
luck.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
PBOZ16 (Possible PN)
17,47.5 -24,13
MAG ? SIZE ? on 06/23/00. Tried to find this possible PN but had no luck.
Kent Wallace, Navaho Flats, California, 20" f/5 reflector.
H2_22 = Haro2_22 RA 17,47.6 DEC -21,47 MAG ? CSM ? SIZE
6" on 07/03/97. Tried to find this PN but had no luck. Identified the field
in the SEC finderchart. Kent Wallace, Navaho
Flats, California, 20" f 5.0 reflector.
M1_28, RA 17,47.6 DEC -22,06 MAG 16.8 CSM 20.8
SIZE 24"x13" on 07/03/97. VIEW
IMAGE
At 169X & 254X, nice small fuzzy disk
using the O-III filter and averted vision. Good response to the O-III & UHC
filters. No response to the H-B filter. Identified the field in the SEC
finderchart. This is a first known visual sighting. Kent Wallace, Navaho Flats,
California, 20" f 5.0 reflector.
H1_33 = Haro1_33 RA 17,47.8 DEC -34,08 MAG 15.4 CSM ? SIZE stellar, on 08/22/97. At 169X, stellar, faint, requiring the O-III filter and averted vision. At 254X, could see the PN as a very faint fuzzy star with averted vision alone but it required the UHC filter to identify it as a PN. Good response to the O-III and UHC filters. No response to the H-B filter. Identified the field in the SEC finderchart. Kent Wallace, Navaho Flats, California, 20" f 5.0 reflector.
Hb5 = PK 359-0.1 = Hubble5
VIEW IMAGE
17 47.9 -30 00
13: at 360x, barely nonstellar, perhaps 2" diameter. Confirmed by Daystar
300 blinking. Forms a close pair with a star of similar magnitude just SW
by 10".
http://www.blackskies.org douglas@blackskies.org 08/31/2001
