Herschel 331
NGC 6401
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Object Type
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Globular Cluster
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|
Constellation
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Ophiuchius
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Magnitude
|
7.4
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|
Size
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4.8' x 4.8'
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Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
Visual Observation Notes:- NGC 6401.
Fairly small and rather dim. Some slight resolution. Star on eastern edge.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.