OriginStack sample session: Great Hercules Cluster (M13), globular cluster - 45 raw Celestron Origin frames

45 raw Celestron Origin light frames of Great Hercules Cluster (M13) (globular cluster), 15 s each, captured 2026-09-29, with the session's own dark, flat and bias frames and the capture app's info.json. A globular cluster with a dense core. 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 "08_globular_cluster_M13_Hercules" -o stack.fits. With OriginStack 2.21: 45 of 45 frames accepted; median star width in the frames about 5.0 px. The file ending _expected_result.jpg is the preview that run produced. Zip: 540 MB, SHA-256 38b9ac9b1e4750858a55ad93af1f9cee8f91e6d7d06ce26ad4fb1aef5e0fcc5b.