for more photos, please check www.astrophoto-hannover.de

The Crescent Nebula in Cygnus (Widefield)


Celestron RASA 8 f/2
Celestron Motorfocuser
EQ6-R Pro
ZWO ASI 2600 MC Pro (Gain 100, Offset 18, -10°)
RGB (Stars): 70 × 5″ (5′ 50″)
IDAS NBZ Filter (Ha & OIII): 40 × 240″ (2h 40′)
Bortle 5
Flats, Darkflats, Dithering
N.I.N.A., Guiding with ZWO ASI 120MM and PHD2
Astropixelprocessor, Photoshop, Pixinsight