Herschel 341
NGC 6540

Object Type Open Cluster
Constellation Sagittarius
Magnitude 14.6
Size 1.5' x 1.5'


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 6540.

2 small groups of faint stars.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.