Contains:  Solar system body or event
Sun in Halpha - May 31, 2020, JDJ

Sun in Halpha - May 31, 2020

Acquisition type: Lucky imaging
Sun in Halpha - May 31, 2020, JDJ

Sun in Halpha - May 31, 2020

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

Some interesting prominences visible on May 31, 2020...

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 100 frames). Processed in IMPPG (LR deconvolution, stretching, image alignment) and GIMP (surface and prominence image combination).

Surface image:

FPS (avg.)=80

Shutter=0.560ms

Gain=250 (41%)

Prominence image:

FPS (avg.)=80

Shutter=8.000ms

Gain=250 (41%)

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