NGC 1637 (MCG +00-12-68, UGCA 93) Galaxy in Eridanus

Located at: RA 04 hours 41 minutes 28 seconds, Dec -02 degrees 51 minutes 28 seconds

Size: 4.0' x 3.2' Magnitude: 11.5 blue Class: SAB(rs)c

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 740 minutes (74 x 10 minute subs), 01/25/26/29/2016; seeing 2.7-5.7 per CCDStack

Processing:

CCDStack 2.90.5589.16047, Photoshop CS5.1

Location:

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

Notes:

Imaged in mostly poor seeing ... 20 of the 74 subs had (average) seeing of over 5.0 arc seconds ... This nice galaxy is just proceeding the constellation of Orion ... Overlooked for the most part, as it is only about 14 degrees proceeding (west) M 42.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 1637
NGC 1637 = MCG +00-12-068 = CGCG 393-066 = UGCA 93 = PGC 15821
04 41 28.0 -02 51 29
V = 10.8;  Size 4.0x3.2;  SB = 13.5;  PA = 15d

13.1": fairly faint, large, diffuse, elongated 4:3 SW-NE, weak concentration.  A 
mag 13 star is 2.1' NE of center.  Located midway between Mu Eridani (V = 4.0) 
1? ESE and 51 Eridani (V = 5.2) 1? WNW.

8": faint, oval, fairly small.

- by Steve Gottlieb