NGC 6118 (UGC 10350) Galaxy in Serpens Caput

Located at: RA 16 hours 21 minutes 49 seconds, Dec -02 degrees 17 minutes 00 seconds

Size: 4.7' x 2.0' Magnitude: 12.4 blue Class: SA(s)cd HII

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 610 minutes (61 x 10 minute subs), 07/12/13/14/15/2017; seeing 2.5-4.1 FWHM per CCDStack

Processing: CCDStack 2.94.6355.18107, Photoshop CS5.1
Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes:

Moved back to southern skies for one more 'Spring' galaxy...

From the NGC / IC Project:

Steve's Notes

NGC 6118 = UGC 10350 = MCG +00-42-002 = CGCG 024-008 = PGC 57924

16 21 48.6 -02 17 03

V = 11.7;  Size 4.7'x2.0';  Surf Br = 13.9;  PA = 58d

13.1" (6/4/83): moderately large, elongated WSW-ENE.  This is a very diffuse object with no concentration and ill-defined edges.  Located 17' SW of mag 6.2 SAO 141129 in the SE corner of Serpens Caput.

WH discovered NGC 6118 = H II-402 = h1953 on 14 Apr 1785 (sweep 400) and recorded "F, cL, E from sp to nf, about 3' l and 2' broad, r."  JH made the single observation "eF; vL; oval; 3' l, 2' br; cloudy; 3m preceding nearly in the parallel is a fine double star [STF 2033]."  NGC 6118 is often mentioned as one of the most challenging objects on the Herschel 400 list.