Sh2-132 - Lion Nebula, RASA 8", 6 hrs

Jan 8th, 2026

6 h 8 m

Processing #3 (blue): Siril (SPCC), GraXpert (bge, deconv, denoise), starnet, Siril (histogram and curves), and that's still with splitting into HOO and "fixing" the Bayesian filter leakage (more like a matter of taste and color-mixing magic than actually fixing something).

Jan 8th, 2026

6 h 8 m

Processing #2 (green): Siril (SPCC), GraXpert (bge, deconv, denoise), Starnet, Siril (histogram and curves)

Jan 8th, 2026

6 h 8 m

Sh2-132: the lion head At my dacha Player One Ares-C Pro AM5N RASA 8" Filter: Antlia Ha-Oiii F2 highspeed for fast systems Frames: 184 F: 400m F/2.2 Expo: 120 sec Total: 21960 sec = 6 hrs Gain: 75 Flats The season is back. You can accumulate at least 6 hours of dark time. Don't forget to turn on the dew heater in the camera (!!), otherwise the sensor fogs up. Processing options: Processing #1 (lots of gas): PixInsight (AutoDBE, BlurX, NoiseX, MAS, StarX, LHE, curves, GHS, curves) Processing #2 (green): Siril (SPCC), GraXpert (bge, deconv, denoise), starnet, Siril (histogram and curves) Processing #3 (blue): Siril (SPCC), GraXpert (bge, deconv, denoise), starnet, Siril (histogram and curves) and this is also with splitting into HOO and "fixing" the Bayer filter leakage (more like a matter of taste and color mixing magic than fixing anything)