M51 Whirlpool-Galaxie

Schwäbisch Hall, 26./27.05.2017

Instrument: GSO 150/750
Mount: Skywatcher AZ-EQ5GT
Camera: Moravian G2-8300 + external Filterwheel @ -30°C
Software: APT 3.30, PHD 2.6.0, PixInsight 1.8.5, Photoshop CS 2017.0
Location: Schwäbisch Hall, Germany

Exposure: LRGB 330 min (bin 1x1) + RGB 75+72+72 min (bin 2x2)

Composition
stacking, RGB composition, de-noising, flattening with PI, finishing with Photoshop.