Engelhardsberg observatory
Sh2-261
Sh2-261 in HAlpha and OIII (click to enlarge)
Sh2-261 in HAlpha and OIII (click to enlarge)
Sh2-157 in HAlpha and OIII (click to enlarge)
Objects: Sh2-261 is a HII region in the constellation of Orion.
Constellation: Orion
Telescope and camera: Newton 400mm, f 2.5, Focal length 1020 mm, ASA 3" Reducer 0,73x, ASI 6200MM, 7x Filterwheel
Mount: ASA DDM 85, Software: Autoslew V5.1, Sequence V9
Exposure: H-Alpha 25 x 6 min bin 2x2, OIII 25 x 6 min bin 2x2
Field of View: approximately 1,4° x 2,3°Date and Conditions: Dec 28 2024 HAlpha, Feb 04 2025 OIII
Software used: acquisition: Maxim DL 5, Stacking: DeepSkyStacker 3.3.2, Processing: Adobe Photoshop CS6, PixInsight 1.8.9