Contains:  Solar system body or event
Sun in White Light & H-alpha - December 27, 2020 (w/ AR 2794 & 2795), JDJ

Sun in White Light & H-alpha - December 27, 2020 (w/ AR 2794 & 2795)

Acquisition type: Lucky imaging
Sun in White Light & H-alpha - December 27, 2020 (w/ AR 2794 & 2795), JDJ

Sun in White Light & H-alpha - December 27, 2020 (w/ AR 2794 & 2795)

Acquisition type: Lucky imaging

Equipment

Loading...

Acquisition details

Loading...

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, 2.5x Televue Powermate, Baader Solar Continuum Filter 1¼" (540nm), and ZWO ASI290MM. Imaging train was configured to give ~F/15. 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.)=53

Shutter=1.350ms

Gain=250 (41%)

Histogramm=97%

H-alpha Image: Imaged with a Lunt LS50Tha, 2.5x Televue Powermate, ZWO ASI290MM. Imaging train was configured to give ~F/18. 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.)=74

Shutter=0.900ms

Gain=250 (41%)

Histogramm=98%

Comments