Herschel 350
NGC 6633

Object Type Open Cluster
Constellation Ophiuchus
Magnitude 4.6
Size 20.0' x 20.0'


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 6633.


18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.