M 89 (NGC 4552) Galaxy in Virgo

Located at: RA 12 hours 35 minutes 40 seconds, Dec +12 degrees 33 minutes 25 seconds

Size: 3.5' x 3.5' Magnitude: 10.7 blue Class: E HII

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 530 minutes (53 x 10 minute subs), 05/28/29/30/2011; seeing 1.7-5.4 FWHM per CCDStack

Processing:

CCDStack 2.24.4110.20701, Photoshop 7.0

Location:

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

Notes: From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 4552

NGC 4552 = M89 = U07760 = MCG +02-32-149 = CGCG 070-184 = PGC 41968
12 35 39.9 +12 33 20
V = 9.8;  Size 5.1x4.7;  SB = 13.2

17.5": very bright, irregularly round, fairly small but high surface brightness 
with an intense, very small bright core and substellar nucleus.  Forms a pair 
with N4550/N4551 pair 20' S.

- by Steve Gottlieb