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NGC 4552 (9,851 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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Messier 89

NGC 4552, LEDA 41968, MCG+02-32-149, UGC 7760, Messier 89, h 1348, GC 307

RA: 12h 35m 40s
Dec: +12° 33′ 22.9″

Con: Virgo
Ch: MSA:725, U2:194, SA:14


(reference key)

Type: galaxy (AGN LINER-type), E...

Mag: B=11.1, V=?

Size: 5.011′ x 4.57′
PA: ?

Historical observations

William Herschel

In the Appendix to the 1912 'Scientific Papers of Sir William Herschel' this object is described as "1784, April 17. B, pS."

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 11.5 mag galaxy. Their coded description reads BE,R,BM,SEV*NR.

Modern observations

Steve Coe

Steve Coe, observing with a 13" f/5.6, notes: "(M 89) bright, pretty large, round, much brighter middle with a nucleus at 100X."

Tom Lorenzin

Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "10M; 3' diameter; bright and round; condensed center; 13M star 3' E and a little N of bright core; 20' to S is small, soft EL GAL N4550 (12.7M; 2.5' x 0.6' extent) a N-S-oriented slash; extremely faint EL GAL N4551 (13.3M; 1' diameter) 3' to NNE of N4550; !good supernova prospects!."

Contemporary observations

Richard Ford

2011 May, 1st Sunday


Instrument:12-inch Dobsonian Reflector Telescope.

Sky Conditions:The fainter parts of the Milky Way are barely visible.

Transparency of the Sky:Haziness only visible on the horizon.

Seeing:Atmosphere stable with little interference.

Limiting Magnitude:4.9.



Object Type:Galaxy.

First Impression:This object looks like an elliptical galaxy.



Chart Number:No.173(Extract taken out of "Star Gazer's Deep Space Atlas").

Size:26mm Super Wide Field Eyepiece:Field Of View:57'/10=5.7'.

20mm Ultra Wide Angle Eyepiece:Field Of View:50'/9=5.5'.

5.7'+ 5.5'= 11.2'.

11.2'/2= 5.6'.

Size in Arc Minutes:5.6'.


Major Axis:5.6'.

5.6'/3= 1.8'.

Minor Axis: 1.8'.

Galaxy is 5.6' * 1.8'.

Brightness:Magnitude 9.5.

Brightness Profile:The central nucleus of this galaxy grows brighter compared to the far outskirts of this region.

Challenge Rating:Difficult.



This galaxy has a round shape.This galaxy's galactic nucleus is equally bright and concentrated.

Tom Bryant

2008-05-04 22:30:00

Observing site: Pinnacles overlook

Telescope: C-8

[12h 35m 42s, 12 33m 0s] A small, bright round elliptical with a bright middle. AKA M 89.

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