Herschel 339 NGC 6522
Herschel 340 NGC 6528
|
Herschel 339 NGC 6522
|
|
Herschel 340 NGC 6528
|
|
Object Type
|
Globular Cluster
|
|
Object Type
|
Globular Cluster
|
|
Constellation
|
Sagittarius
|
|
Constellation
|
Sagittarius
|
|
Magnitude
|
9.9
|
|
Magnitude
|
9.6
|
|
Size
|
9.4' x 9.4'
|
|
Size
|
5.0' x 5.0'
|
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 6522.
Moderately large and bright. Some resolution. In same field as NGC 6528.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.
Visual Observation Notes:- NGC 4762.
In same field as NGC 6522. Smaller and fainter. No resolution with 16mm.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.