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Type: galaxy (AGN LINER-type), E...
Mag: B=11.1, V=?
Size: 5.011′ x 4.57′
In the Appendix to the 1912 'Scientific Papers of Sir William Herschel' this object is described as "1784, April 17. B, pS."
The RNGC (Sulentic and Tifft 1973) notes that this is a 11.5 mag galaxy. Their coded description reads BE,R,BM,SEV*NR.
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, 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!."
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.
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'.
Size in Arc Minutes:5.6'.
Minor Axis: 1.8'.
Galaxy is 5.6' * 1.8'.
Brightness Profile:The central nucleus of this galaxy grows brighter compared to the far outskirts of this region.
This galaxy has a round shape.This galaxy's galactic nucleus is equally bright and concentrated.
Observing site: Pinnacles overlook
[12h 35m 42s, 12° 33m 0s] A small, bright round elliptical with a bright middle. AKA M 89.
The Messier objects
The Bennett objects
The Caldwell list
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