DEEP SKY OBSERVING
February 2008
by Mark Wagner

Targets are rated 1 to 4 for challenge, with 1 being very easy, 4 being most difficult. All objects are within a one hour of right ascension, north to south, in the east at astronomical dark. Available as a Megastar .obs file or Excel spreadsheet.

Rating
Object Const. Type
Size
Mag
R.A.
Dec.

2
Arp 25 Cep. GX
2.8'x2.6'
11.9B
07 27 16
85 45 20
NGC 2276. Nice galaxy pair. small elongated, larger and diffuse.

3
N2366 Cam GX
8.2'x3.3'
11.5B
07 28 53
69 12 44
A galaxy that contains an HII region brighter than all the rest of it.

3
N2347 Cam GX
1.7'x1.2'
13.2B
07 16 03
62 42 41
Fairly faint, fairly small, bright core, slightly elongated N-S, diffuse.

4
Abell 16 Lyn PN
2.3'
15.9P
06 43 54
61 47 25
PK 155+22.1. Extremely faint round, averted and the O-III.

2
NGC 2281 Aur OC
14.0'
5.4
06 48 18
41 04 42
A curved "V" shape, stingers form one long and one short leg.

3
N2274 Gem GX
1.2'x1.0'
13.1P
06 47 17
33 34 01
Fairly faint, fairly small, round, small bright core.

2
NGC 2371/72 Gem PN
55.0"
13.0P
07 25 34
29 29 22
Two bright knots along an elongated body that lies WSW to ENE.

3
N2331 Gem OC
18.0'
12.5
07 06 58
27 17 43
A large grouping of even brightness stars, in a crowded area.

2
NGC 2266 Gem OC
6.0'
9.5
06 43 20
26 58 12
Mediem dense containing a chain of 3 stars aligned nearly N/S.

3
N2339 Gem GX
2.8'x2.0'
12.5B
07 08 20
18 46 48
(222X): roundish, hint of elongation; pretty large, pretty bright.

3
NGC 2304 Gem OC
5.0'
10.0
06 55 12
17 59 18
Not very dense, all stars in a small range of brightness.

4
Abell 19 Gem PN
69.0"x59.0"
17.0P
06 59 57
14 36 35
PK 200+8.1. Faint, shows a round even surface brightness disk.

3
NGC 2355 Gem OC
9.0'
9.7
07 17 00
13 45 00
A dim haze shaped like a wreath or letter H.

3
NGC 2395 Gem OC
12.0'
8.5
07 27 13
13 36 30
Scattered cluster of roughly 50 stars mag 10 and fainter in 15' field,

4
Abell 21 Gem PN
11.7'
11.3P
07 29 04
13 14 55
PK 205+14.1, Sh2-274 . Bright crescent shaped nebulous object.

4
B38 Mon DN
60.0'
06 33 42
11 05 00
Irregular vacancy. This seems to refer to a portion of B 37.

3
N2259 Mon OC
4.5'
10.8
06 38 33
10 52 59
176X just a pretty small, pretty dim smudge with a hint of resolution

4
B37 Mon DN
120.0'
06 32 55
10 28 39
Abruptly terminated on S side by the nebulosity north of 15 Mon.

3
N2245 Mon BN
2.0'
06 32 40
10 09 10
Nice reflection nebula extends SW of dim star in a fan shape.

2
NGC 2264 Mon OC
20.0'
4.1
06 40 59
09 53 42
Christmas Tree Cluster. Central region of cluster set against a weakly glowing background.

4
B39 Mon BN
140.0'
06 37 36
09 50 00
Sh2-273. Small, sharply defined, elongated spot in nebulosity.

3
N2261 Mon BN
2.0'x1.7'
06 39 09
08 44 52
Bright star plus fan shaped tail thing looks more like a comet.

2
NGC 2251 Mon OC
10.0'
7.3
06 34 39
08 22 00
Gorgeous, long, stung out open cluster, broken in the middle.

3
N2254 Mon OC
4.0'
9.1
06 35 47
07 40 07
Small grouping of 6 stars in a horseshoe shape.

3
N2236 Mon OC
6.0'
8.5
06 29 40
06 49 48
This one sits amid a rich star field and is distinctly asymmetric.

3
N2252 Mon OC
15.0'
7.7
06 34 23
05 22 30
Double chain of bright stars. A haze seems to be surrounding it.

2
NGC 2237 Mon BN
80.0'x60.0'
06 31 40
05 04 00
Sh2-275, Rosette Nebula - large, dim, circular, use OIII.

2
NGC 2244 Mon OC
23.0'
4.8
06 32 19
04 51 24
Open cluster in center of Rosette Nebula.

3
N2269 Mon OC
4.0'
10.0
06 43 16
04 37 10
176x: 8-10 stars N/S plus six more scattered around “central bar”

4
Sh2-280 Mon BN
23.0'x18.0'
06 23 34
02 29 00
LBN 970

4
Abell 20 Cmi PN
67.0"
16.3P
07 22 57
01 45 34
PK 214+7.1 Very subtle; use OIII, only with averted vision;

4
Sh2-282 Mon BN
31.0'x8.8'
06 38 03
01 29 00
LBN 978

2
NGC 2324 Mon OC
7.0'
8.4
07 04 08
01 02 42
Dense packed oval S of wide pretty double star. Dynamite at 126x.

2
NGC 2301 Mon OC
12.0'
6.0
06 51 46
00 27 36
Unique, interesting, and beautiful cluster.

4
Sh2-285 Mon BN
1.0'
06 55 16
-00 31 13
 

3
N2346 Mon PN
120.0"
11.8P
07 09 22
-00 48 24
280x halo is irregularly round, slightly uneven surface brightness.

4
Abell 18 CMa PN
75.0"
17.5P
06 56 14
-02 53 09
PK 216-0.1 Incredibly weak glow at 110X with OIII filter.

2
NGC 2286 Mon OC
14.0'
7.5
06 47 41
-03 08 54
Large, loose, several dozen stars, various mags, no clear borders.

4
Sh2-288 Mon BN
1.0'
07 08 39
-04 19 00
IC 466. 211x, UHC, small nebula, round, gradually fainter.

2
NGC 2311 Mon OC
6.0'
9.6
06 57 47
-04 36 42
Many stars in a line, pyramid of stars at center, more off one end.

2
NGC 2232 Mon OC
29.0'
4.2
06 28 02
-04 50 48
Fairly faint, small, slightly elongated, bright core, stellar nucleus.

3
N2302 Mon OC
2.5'
8.9
06 51 54
-07 05 00
Roughly 2 dozen stars in large scattered field. Nice quadruple star.

3
N2309 Mon OC
3.0'
10.5
06 56 04
-07 10 30
Three dozen stars, fairly rich, compact. Most in two streams.

1
M50 Mon OC
16.0'
5.9
07 02 45
-07 23 00
Large, many bright stars. Rich field of stars to one side.

3
N2316 Mon BN
1.5'
06 59 41
-07 46 28
Small, faint RN. Unlike others, no obviously concentrated center.

4
Sh2-294 Mon BN
7.0'
07 16 32
-09 25 15
LBN 1032

2
NGC 2335 Mon OC
12.0'
7.2
07 06 50
-10 01 42
A hard to find stubby "T" of stars.

2
NGC 2353 Mon OC
20.0'
7.1
07 14 31
-10 16 00
Two bright stars in group. Extended, sweeping up in two branches

4
Sh2-292 Mon BN
19.0'x17.0'
07 04 31
-10 28 00
Gum 1. Northwest end of "Seagull Nebula" or Sh2-296.

2
NGC 2343 Mon OC
6.0'
6.7
07 08 07
-10 37 00
Distinct shape as a butterfly complete with a body.

4
Sh2-296 Mon BN
150.0'x60.0'
07 06 00
-10 55 00
IC 2177. Huge HII strip AKA Seagull Nebula, NW end is Gum 1.

4
Sh2-293 CMa BN
11.0'
07 01 47
-11 18 34
LBN 1030

4
Sh2-295 CMa BN
8.0'
07 02 41
-11 27 41
LBN 1035

4
Sh2-297 CMa BN
7.0'
07 05 15
-12 20 03
64x faint, round, 3' haze surrounding a mag 8.5 star. H-Beta helps.

2
N2359 CMa BN
13.0'x11.0'
07 18 31
-13 14 00
Wolf-Rayet shell AKA Thor's Helmet or Duck Nebula. Use OIII.

2
N2374 CMa OC
19.0'
8.0
07 23 57
-13 15 48
~50-60 stars in 7'x4' region elongated SW-NE. In a rich star field.

2
NGC 2360 CMa OC
12.0'
7.2
07 17 44
-15 38 30
Near M46 and M47, this lovely rich OC contains 80 stars.

3
N2283 CMa GX
3.6'x2.7'
12.9P
06 45 53
-18 12 43
Tough, a faint galaxy inset in 3 field stars.

3
Sh2-301 CMa BN
9.0'x8.0'
07 09 51
-18 29 45
Surprisingly bright HII region, 100x with OIII, NW of mag 7.4 star.

1
M41 CMa OC
38.0'
4.5
06 46 00
-20 45 18
Not a spectacular object, but bright enough to look nice in the city.

2
N2367 CMa OC
3.5'
7.9
07 20 05
-21 53 00
Almost like 2 OC's side-by-side, just over CMa border into Puppis.

1
NGC 2362 CMa OC
6.0'
3.8
07 18 42
-24 57 18
Jiggle your scope and watch Tau Cma move indepentent of group.

4
Abell 15 Cma PN
34.0"
16.3P
06 27 02
-25 22 50
PK 233-16.1 Small, round, faint, even brightness throughout.

2
NGC 2354 CMa OC
20.0'
6.5
07 14 16
-25 41 30
Easy to find; large, pretty bright, sparse, roundish, various mags.


Source catalogs:

Messier, Arp, Abell Planetary, Abell Galaxy Cluster (AGC), Hickson Compact Galaxy (HCG), Sharpless HII Regions, Barnard Dark Nebulae, Herschel 400, Herschel 400-II.

Herschel 400 are identified as NGCXXXX,
Herschel 400-II are indentified as NXXXX.
Descriptions are from the following web-sites:

visitors since August 31, 2007