Engelhardsberg observatory

LDN 673 Dark nebula in Aquila

LDN 673 (click to enlarge)

Objects: LDN 673 is a dark nebula in the constellation of Aquila

Constellation:  Aquila

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 V5.2.4.8, Sequence V9

Exposure: 14 x 5 min Light, 4 x 5 min RGB each

Field of view: approximately 1,4° x 2,3°

Date and Conditions: July 21, 2026

Software used: acquisition: Maxim DL 5, Stacking: DeepSkyStacker 3.3.2, Processing: Adobe Photoshop CS6, PixInsight 1.9.4