Observation by Alun Halsey: Spectroheliogram in Halpha 15th April 20...

Uploaded by

Alun Halsey

Observer

Alun Halsey

Observed

2023 Apr 15 - 17:19

Uploaded

2023 Apr 16 - 11:40

Objects

The Sun

Equipment

Evostar 72ED with full aperture Hoya Pro ND 16 filter
Sol'Ex SHG/QHY5III 178M
CEM60

Location

Reading Berkshire UK

Target name

The Sun

Title

Spectroheliogram in Halpha 15th April 2023

About this image

Spectroheliogram in the Hydrogen alpha wavelength,stack of six out of sixteen using Autostakkert,processed in Astrosurface and Photoshop CS2. 16x sidereal speed was used on CEM60 to force the slit across the solar disk.

Files associated with this observation

ha-ii_lapl7_ap25_proc.jpg (165.5 kB)

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