Contains:  Solar system body or event
Sun in Halpha - July 23, 2020 - AR2767, JDJ

Sun in Halpha - July 23, 2020 - AR2767

Acquisition type: Lucky imaging
Sun in Halpha - July 23, 2020 - AR2767, JDJ

Sun in Halpha - July 23, 2020 - AR2767

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

Close-up view of the Sun in H-alpha on July 23, 2020 showing the new sunspot AR2767.

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 image:

FPS (avg.)=30

Shutter=0.325ms

Gain=250 (41%)

Histogram=92%

Comments

Histogram

Sun in Halpha - July 23, 2020 - AR2767, JDJ

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Solar Imaging