Herschel 209
NGC 4102

Object Type Galaxy Sc
Constellation Ursa Major
Magnitude 11.3
Size 3.1' x 1.7'


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 4102.

Fairly small but very bright. Somewhat elongated with a star-like core. Star on western edge.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.