Fiery River, 25.08.2026

Antlia 200mm DERF, achromat 204/1800, Baader TZ4S telecentric, two Lunt40s, BF from the Quark combo, and an IMX428 camera.
Cropped to 1920x1080, bin1, 12-bit, 93 fps, autoflat, histogram fill at 65%. AS!4, post-processing in C++, 80% TIFF (0.16"/px).
Seeing 2/5, moderate wind.

25.08.2026 08:03:20 - 08:50:28.
131 frames in the animation, single frame: 2000 frames, gain 180, exposure 1.4 ms.