Herschel 171 and Messier 106 (North Up, East Left)
Herschel 171, also known as NGC 4258 and Messier 106, is a galaxy with classification SBbc in the constellation of Canes Venatici.  It has a diameter of ~124,000 light-years.  There are a number of additional galaxies in the image.  Just to the west-northwest lies NGC 4248.  Further away to the north-west of Herschel 171 lies NGC 4220.  To the west lies NGC 4346 and to the west-southwest NGC 4217. The images comprise 6 x Luminance (300 seconds each), 0.101m f/5.4 Tele Vue refractor with FLI ML16200 camera at an altitude of 65 degrees on 28 March 2017.  The fields of view of the top and bottom images are 132’ x 132’ (2.2 degrees square) and 42’ x 42’, respectively.
Hills Observatory: 1 January 2013 to 6 May 2018