Herschel 221
NGC 4258 M 106

Object Type Galaxy SBb
Constellation Canes Venatici
Magnitude 8.3
Size 18.6' x 7.2'


Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.

NGC 4258 is another Messier object (M106) that has been included in the Herschel 400 list. The bright galaxy to the upper right is the 13.3 magnitude NGC 4248.

Visual Observation Notes:- NGC 4258.

Very large and very bright with a bright core. Disk moderately bright and elongated, brighter on eastern side. NGC 4258 visible in field.
18" f/5 newtonian. 16mm nagler eyepiece. 143x.
Sky View observatory. Zenith limiting magnitude 6.7.