Contains:  Solar system body or event
Sun in White Light and Halpha - December 29, 2020 (Full Disks w/ AR2794 & 2795), JDJ

Sun in White Light and Halpha - December 29, 2020 (Full Disks w/ AR2794 & 2795)

Acquisition type: Lucky imaging
Sun in White Light and Halpha - December 29, 2020 (Full Disks w/ AR2794 & 2795), JDJ

Sun in White Light and Halpha - December 29, 2020 (Full Disks w/ AR2794 & 2795)

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

The Sun in white light and H-alpha on December 27, 2020 with AR 2794 & 2795.

White light image: Imaged with a Astro-Tech AT60ED, Lunt White Light Solar (Herschel) Wedge, Baader Solar Continuum Filter 1¼" (540nm), and ZWO ASI290MM. Imaging train was configured to give ~F/6. Image capture using Firecapture (see below for exposure settings). Stacking in AutoStakkert3 (best 25% of 1000 frames). Processed in Registax (wavelet sharpening).

White Light Image Exposure settings:

FPS (avg.)=83

Shutter=0.175ms

Gain=250 (41%)

Histogramm=88%

H-alpha Image: Imaged with a Lunt LS50Tha, ZWO ASI290MM. Imaging train was configured to give ~F/7. 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.

H-alpha Surface Image Exposure Settings:

FPS (avg.)=69

Shutter=0.150ms

Gain=250 (41%)

Histogramm=93%

H-alpha Prom Image Exposure Settings:

FPS (avg.)=74

Shutter=1.500ms

Gain=250 (41%)

Histogramm=100%

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