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

Imaged with a Lunt LS50Tha, 0.5x focal reducer, ZWO ASI290MM. Imaging train was configured to give ~F/3.5. Image capture using Firecapture (see below for exposure settings). Stacking in AutoStakkert3 (best 25% of 1000 frames). Processed in IMPPG (wavelet sharpening and histogram stretch) and GIMP (surface and prominence image combination).

Surface image:

FPS (avg.)=80

Shutter=0.090ms

Gain=250 (41%)

Prominence image:

FPS (avg.)=77

Shutter=1.000ms

Gain=250 (41%)

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