#67 Treasures of Monoceros, Part 2: The Other NGC Objects

In Part 1 I discussed all of the NGC open clusters in this amazing constellation.  Most of the remaining NGC objects are galactic nebula.  There are also two very faint, difficult galaxies and one pretty decent planetary nebula.  In Part 3, I will tackle a wealth of open clusters from other catalogues.

gn 2149:  3' x 2'; Reflection:  Impossible from my light polluted deck, it was an easy target in a dark sky.  It had a bright middle and uneven brightness outwards.  In a bright star field.  Originally, Shapely mistook it for a galaxy.  Good object at low to high powers.
gn 2170:  1':  Involved with two faint stars, it was only seen with the Skyglow filter at 83x.  Unsuitable for suburban skies.
gn 2182:  3':  Involved with a 9 mag. star. The nebula was seen only with the Skyglow filter at 83x.  It was a very faint haze surrounding a white star.
gn 2183: 2' x 2'; Reflection:  A pair with 2185, neither was visible from my light polluted deck. 
gn 2185: 2' x 2': Reflection: However, both were seen well in a dark sky, side by side.  Several bright stars were involved with the two patches.  60x-150x was used.  Worth a stopover.
gn 2237: 80' x 60'; Emission:  Rosette Nebula, associated with oc 2244.  More suitable for photography than eyepiece observing.  Using an Edmund Astroscan 4 1/4 " RFT with a Skyglow filter at 54x, it was not difficult to see  some puffs of nebula, especially south preceding the cluster and north preceding.  The cluster itself is mostly devoid of any nebula.  This is a very large area of nebulosity.
gn 2238: See 2237.
gn 2239:  See 2237.
gn 2246:  See 2237.
gn 2245:  2' x 2'; 10.8 mag. *: Seen fairly well in the 12".  The star was dim enough to allow the reflection nebula to be easily seen, and the nebula was wedge-shaped.  Seen well at 120x, with flaring at 200x.
gn 2247:  2' x 2'; Reflection:  Due to the brightness of the involved 8.5 mag. star, this nebula was seen only faintly at 250x and 300x, not far from the star and also around it.
gn 2261:  Hubble's "Variable Nebula."  An easy target, despite moonshine, reflected snow, and light pollution.  Seen much better with no filter, and it was observed well from 60x-150x.  Fan-shape, very bright in the S, and stellar down there.  As the fan expands it fades away.  Bright enough for much smaller telescopes, and seen well in the 6".
gn 2282:  3' x 3'; Reflection:  Some barely visible haze surrounds a 10 mag. star, especially on the south end.  A few very faint stars are involved.
gn 2316:  4' x 3'; Emission and reflection:  Clearly seen without any filter in a dark sky, it was observed at 60x thru 200x.  A triangle of stars just south helps locate the haze, if black skies are not available.
pn 2346:  60" x 50":  Cent. * mag. 11.3--13.5:  A suspicious, out-of-focus star was seen at 60x, confirmed as a small but bright planetary at 120x.  The central star was not difficult to see, and even at 150x the object appeared round, though with faded, less distinct edges.  It was significantly larger and brighter at 150s with the Skyglow filter.  Not featureless, but nearly so.
eg 2377:  1'7 x 1'.3: Vis. mag. 12.8; Surf. br. 13.5:  Difficult object due to involvement with a star or stars.  Located at 100x and seen using up to 200x.  It was very small and somewhat oval.  Due to star (s) involved the shape was difficult to perceive.
eg 2494:  0'.9 x 0'7: V. mag. 13.1; S. br. 12.4:  A threshold object through my humid skies, it appeared round at 100x-200x.

gn I. 448:  15' x 10'; Reflection:  Oddly enough, this was seen better with the Skyglow filter, perhaps because it dimmed the bright white star involved.  Essentially, some haze surrounds Star 13, having uneven edges.  Poor without the filter.  A line of stars north-following leads to oc Bas 8.  South is Star 14, a fine double.
gn I. 466:  5' x 4'; Reflection:  A faint haze was seen near a faint star.  Nearly impossible without a dark sky.  In such a sky it was very bright, small, round and it took magnification well, resembling a planetary nebula.
gn I. 2169:  25' x 20'; Reflection:  Involved with oc Cr 95.  Nebula easily noticed at 120x with the filter.  More was seen on the preceding half of the cluster, scattered between and amongst the brighter stars.
gn I. 2177:  85' x 25'; Emission:  This massive nebula can be glimpsed as clumps of smokiness with the filter.  Seen best just south of double star Struve 1019, as well as amidst oc Cr 465 and oc Cr 466.  60x and 120x was used to advantage.  1019 is an exquisite trio of stars!