Engelhardsberg observatory
NGC 6820 / NGC 6823
Sh2-140 in HAlpha RGB (click to enlarge)
Sh2-140 in HAlpha RGB (click to enlarge)
Sh2-140 in HAlpha (click to enlarge)
Objects: NGC 6820 is a small reflection nebula near the open cluster NGC 6823 in Vulpecula. The reflection nebula and cluster are embedded in a large faint emission nebula called Sh2-86.
Constellation: Vulpecula
Telescope and cameras: Newton 400mm, f 2.5, Focal length 1020 mm, ASA 3" Reducer 0,73x, ASI 6200MM, 7x Filterwheel, CDS-5D MKIII
Mount: ASA DDM 85, Software: Autoslew V5.1, Sequence V9
Exposure: 18x 5min Colour with camera CDS-5D, 10x10min H-Alpha bin 2x2 with camera ASI 6200MM
Date and Conditions: August 2024
Software used: acquisition: Maxim DL 5, Stacking: DeepSkyStacker 3.3.2, Processing: Adobe Photoshop CS4, PixInsight 1.8