Horned prominence [detailed frame bin1], 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 1608x1104, bin1, 12-bit, 100 fps, autoflat, histogram fill at 65%. AS!4, post-processing in C++, 100% GIF.
Seeing 2/5, moderate wind.

25.08.2026 09:16:14 - 10:07:12.
129 frames in the animation, single frame: 2000 frames, gain 160, exposure 3.4 ms.