Observation by Alun Halsey: Spectroheliogram in Halpha 6th April 202...

Uploaded by

Alun Halsey

Observer

Alun Halsey

Observed

2023 Apr 06 - 15:01

Uploaded

2023 Apr 07 - 08:58

Objects

The Sun

Equipment
  • SW Evostar 72ED with full aperture Hoya ND 16 filter
  • Sol'Ex SHG/QHY5III 178M
  • CEM60
Location

Reading Berkshire UK

Target name

The Sun

Title

Spectroheliogram in Halpha 6th April 2023

About this image

16x sidereal slew speed was used on CEM60 to force the scans of the slit across the solar disk. This image is a stack of eight out of ten images,afetr stacking in Autostakkert minimal processing was carried out in Astrosurface and Photoshop CS2.

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Comments
Gerard Cauchi
Gerard Cauchi, 2023 Apr 07 - 12:52 UTC

Alun this a brilliant image. Congratulations well done.

Alun Halsey
Alun Halsey, 2023 Apr 08 - 08:46 UTC

Thank you Gerard :)

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