Herschel 273
NGC 4689
Object Type
|
Galaxy Sc
|
Constellation
|
Coma Berenices
|
Magnitude
|
10.7
|
Size
|
4.3' x 3.5'
|

Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
Visual Observation Notes:- NGC 4689.
Fairly bright. Slightly elliptical. Slightly brighter centre.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.