Contains:  Solar system body or event
Sun in Halpha - June 21, 2020, JDJ

Sun in Halpha - June 21, 2020

Acquisition type: Lucky imaging
Sun in Halpha - June 21, 2020, JDJ

Sun in Halpha - June 21, 2020

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

Having a lousy stretch of weather (for astronomy at least!) the past few weeks. Mananged a quick set of captures of a quiet the Sun on June 21.

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 Registax6 (wavelet sharpening).

Surface image:

FPS (avg.)=64

Shutter=0.475ms

Gain=250 (41%)

Histogramm=93%

Prom image:

FPS (avg.)=34

Shutter=5.500ms

Gain=250 (41%)

Histogramm=100%

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