Contains:  Solar system body or event
Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996, JDJ

Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996

Acquisition type: Lucky imaging
Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996, JDJ

Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

The Sun in H-alpha on April 22, 2022 featuring giant ARs 2993/2994, 2995, and 2996.

Imaged with a Lunt LS50Tha (with feathertouch focuser and ZWO EAF), Lunt LS50C compact double stack filter, 2.5x Televue Powermate, ZWO ASI290MM. Imaging train was configured to give ~F/18. Image capture using Firecapture. Stacking in AutoStakkert3 (best 25% of 1000 frames).  Full disk panorama generated from 2 sub images using Microsoft ICE.  Processed in ImPPG (sharpening).  Prom image generated from surface image using curves adjustment in ImPPG. Combined surface  and prom images using GIMP.

Original version:  Surface (Inverted) image combined with prom image

Rev B: Surface image combined with prom (inverted) image

Comments

Revisions

  • Final
    Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996, JDJ
    Original
  • Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996, JDJ
    B

B

Description: Surface image combined with prom (inverted) image

Uploaded: ...

Histogram

Sun in Ha - April 22, 2022 - ARs 2993/2994/2995/2996, JDJ

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Solar Imaging