Herschel 251
NGC 4494
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Object Type
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Galaxy SBa Pec
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Constellation
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Coma Berenices
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Magnitude
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9.7
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Size
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4.8' x 3.5'
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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 4494.
Bright with a slightly brighter centre. Moderately large. Circular. Bright star close north.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.