Contains:  Solar system body or event
Sun in Halpha - October 22, 2020 (w/ AR2776), JDJ

Sun in Halpha - October 22, 2020 (w/ AR2776)

Acquisition type: Lucky imaging
Sun in Halpha - October 22, 2020 (w/ AR2776), JDJ

Sun in Halpha - October 22, 2020 (w/ AR2776)

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

The Sun in H-alpha on October 22, 2020 including AR2776.

Imaged with a Lunt LS50Tha, 2x Celestron barlow, ZWO ASI290MM. Imaging train was configured to give ~F/14. Image capture using Firecapture (see below for exposure settings). Stacking in AutoStakkert3 (best 25% of 1000 frames). Processed in Registax (wavelet sharpening). Surface and prominence images combined using GIMP.

Surface image:

FPS (avg.)=61

Shutter=0.450ms

Gain=250 (41%)

Histogramm(max)=241

Histogramm=94%

Prom image:

FPS (avg.)=64

Shutter=15.00ms

Gain=250 (41%)

Histogramm=100%

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