Messier 108

108 final

Object:   M108  (NGC 3556) Date:               2018 May 10
Type:  Spiral galaxy
Constellation:           Ursa Major Time & altitude:        23.40 UT      56º
Catalogue data: Seeing (5 high):                               3/5
            R.A:                11h 12m Transparency (5 high):                   4/5
            Dec:                55º 40 Telescope:     0.5m f4.1  Dob.
            Magnitude     10.0 Eyepiece       8mm Ethos                x260
            Size (mins)    8 x 2 Filters:            None


An oval with major axis aligned EW. A bright star lies just S of the W end. Several bright knots were picked out. There is a foreground star alongside the nucleus.  The illumination of the halo is very mottled.