Ptolomy's Cluster in Scorpio - ( Messier 7, NGC 6475 )

Ptolemy's Cluster in Scorpio ( Messier 7, NGC 6475 ).Visible to the naked eye as a small bright patch in the sky, this open cluster is around 980 light years away with around 80 stars within a area of 25 light years or so.Links:500px.com/MikeODay ;photo.net/photos/MikeODay ;Details:RA 17h 54m, Dec -34deg 47'. Skywatcher Quattro 10" f4 Newtonian. Skywatcher AZ Eq6 GT Mount.Orion auto guider - PHD2. Baader MPCC Mark 3 Coma Corrector.Nikon D300 (unmodified).Field of view (deg) ~ 1.35 x 0.90.18 x 30 sec ISO800.23 May 14.Reprocessed Pixinsight 8 Sep 2015.