Sadr and Crescent Nebula in Cygnus constellation

Pictures taken on Wednesday 20th September 2017 from Grassobbio (BG)

First experiment on wide-field astrophotography of Sadr star in the constellation of Cygnus. Top left you can see also the Crescent Nebula (NGC 6888).

Equipment:
Pentax Star lens 85mm F/4
CCD Moravian G2 8300
H-Alpha 7Nm Filter
Guide scope Tecnosky 60/228mm
Guide camera Starlight Xpress Lodestar X2
Mount Sky-Watcher AZ-EQ6

Shots:
H-Alpha 2 x 900s

Processing:
Pixinsight 1.8, Photoshop CC (2015)