OriginStack sample session: Flame Nebula (NGC 2024), emission nebula - 45 raw Celestron Origin frames

45 raw Celestron Origin light frames of Flame Nebula (NGC 2024) (emission nebula), 10 s each, captured 2025-12-10, with the session's own dark, flat and bias frames and the capture app's info.json. A faint emission nebula beside the bright star Alnitak. Colour sensor (Origin178), 6-inch f/2.2 RASA, 3056×2048 Bayer FITS. Filter setting in the headers: Clear. The frames are the best of the session by quality score, one from each of 45 consecutive time bins. The observer's location, GPS, airmass, session id and camera serial number were removed from the headers and json files; pixel data is unchanged. Capture time and the target's coordinates were kept. Stack it with OriginStack: python originstack.py -d "04_emission_nebula_Flame" -o stack.fits. With OriginStack 2.21: 45 of 45 frames accepted; median star width in the frames about 3.9 px. The file ending _expected_result.jpg is the preview that run produced. Zip: 476 MB, SHA-256 4d089b055892b685444874dded71ef8e4808c0708cdeb0b8565ed5685b7d0cee.