NGC 4274 (UGC 7377) Galaxy in Coma Berenices

Located at: RA 12 hours 19 minutes 51 seconds, Dec +29 degrees 36 minutes 51 seconds

Size: 6.8' x 2.5' Magnitude: 11.3 blue Class: (R)SB(r)ab

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, 570 minutes (57 x 10 minute subs), 05/14/15/17/18/2017; seeing FWHM 2.1-4.0 per CCDStack

Processing:

CCDStack 2.93.6093.26774, Photoshop CS5.1

Location:

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

Notes:

See the 14.5" film image ... details found on my film site.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 4274

Steve's Notes

NGC 4274 17.5" (4/25/98): bright, very large, elongated 5:2 ~E-W, ~5'x2' though difficult to trace the full extent as the outer halo fades into background. Well concentrated with a bright roundish core ~1' diameter which increases to a very small or stellar nucleus. NGC 4253 lies 22' NW, NGC 4245 29' W and NGC 4278/NGC 4283/NGC 4286 ~20' SSE. Observation in hazy skies.