Contains:  Solar system body or event
Sun in Ha - September 23, 2022, JDJ

Sun in Ha - September 23, 2022

Acquisition type: Lucky imaging
Sun in Ha - September 23, 2022, JDJ

Sun in Ha - September 23, 2022

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

The Sun in H-alpha on September 23, 2022.   Full disk pano image featuring several ARs, some interesting filaments, and loop proms on the limb.  See https://astrob.in/2svlnn/F/  for a close-up view of the loop proms.

Imaged with a Lunt LS50Tha (with feathertouch focuser and ZWO EAF), Lunt LS50C compact double stack filter, 2.5x Televue Powermate, ZWO ASI74MM. Imaging train was configured to give ~F/18. Image capture using Firecapture. Stacking in AutoStakkert3 (best 25% of 1000 frames).  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:  Chromosphere (Inverted) image

Rev B: Chromosphere image

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Revisions

  • Final
    Sun in Ha - September 23, 2022, JDJ
    Original
  • Sun in Ha - September 23, 2022, JDJ
    B

B

Description: Chromosphere image

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Sun in Ha - September 23, 2022, JDJ