Objects: NGC 7023
Coordinates (J2000): 21h 01m 35; +68° 10' - North is up
Remarks: The Iris nebula, also known as NGC 7023 is a bright reflexion nebula. It lies about 1300 light-years away.
Telescope and camera: Newton 400mm, f 2.5, Focal length 1020 mm, ASA 3" Reducer 0,73x, CDS-5D, ISO 800
Mount: ASA DDM 85, Software: Autoslew V5.1, Sequence V9
Exposure: 15x 5min
Date and Conditions: March 25 2020, conditions pretty good, stars up to 5m6
Software used: acquisition: Maxim DL 6.16, Stacking: DeepSkyStacker 3.3.2, Processing: Adobe Photoshop CS6, PixInsight 1.8