NGC7538
About this celestial object
NGC 7538 presents as a distant, compact deep-sky target—subtle yet structured.
As a galaxy object in the distant universe, NGC 7538 shows only low surface brightness; details emerge only with longer integration.
The 250 mm focal length offers a balanced scale for this faint target.
430 subexposures yield about 1.2 hours total at just under 20° altitude.
Image and observation
Catalogue: NGC 7538
Capture date: 2025-08-16
Total exposure: 4300 s
Imaging and processing: Ulrich Schwarz · Vespera Pro