Messier 53

53 final

Object:   M53  (NGC 5024) Date:               2018 May 15
Type:  Globular cluster
Constellation:           Coma Berenices Time & altitude:         21.50 UT      56º
Catalogue data: Seeing (5 high):                               3/5
            R.A:                13h 13m Transparency (5 high):                   2/5
            Dec:                18º 10 Telescope:     0.5m f4.1  Dob.
            Magnitude     7.7 Eyepiece       8mm Ethos                x260
            Size (mins)    13 Filters:            None

Notes:

Not well seen in mediocre conditions. Estimating from my drawing the observed diameter is only 6 or 7 arcmins. The cluster is only weakly concentrated towards the core.