Contains:  Solar system body or event
Sun in Halpha - November 29, 2020 (w/ AR 2785 9& 2786), 



    
        

            JDJ

Sun in Halpha - November 29, 2020 (w/ AR 2785 9& 2786)

Acquisition type: Lucky imaging
Sun in Halpha - November 29, 2020 (w/ AR 2785 9& 2786), 



    
        

            JDJ

Sun in Halpha - November 29, 2020 (w/ AR 2785 9& 2786)

Acquisition type: Lucky imaging

Imaging telescopes or lenses: Lunt LS50THa/B600

Imaging cameras: ASI290MM

Mounts: Sky-Watcher SolarQuest

Software: Emil Kraaikamp Autostackert! 3.0.14  ·  GIMP Development Team GIMP 2.8.22  ·  RegiStax 6  ·  FireCapture 2.5 x64

Accessory: TeleVue Powermate 1.25" 2.5x


Date: Nov. 29, 2020

Time: 16:15

Frames: 250

FPS: 76.00000

Focal length: 875

Seeing: 2

Transparency: 7


Resolution: 1960x1112

Locations: Home, Silver Spring, Maryland, United States

Data source: Backyard

Description

The Sun in H-alpha on November 29, 2020 with AR2785 & 2786.

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.

Surface image:

FPS (avg.)=76

Shutter=1.000ms

Gain=250 (41%)

Histogramm=98%

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