British Astronomical Association
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BAA Images Alun Halsey

Observation by Alun Halsey: AR 2887

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Alun Halsey

Observer

Alun Halsey

Observed

2021 Oct 25 - 12:22

Uploaded

2021 Oct 26 - 18:42

Objects

The Sun

Equipment
  • Helios 150mm f/8 achromat (stopped down to 100mm)
  • Lunt CaK B1200 module
  • QHY5III 178M (using ROI)/1.6x Magnimax element
  • CEM60
Location

Berkshire UK

Target name

The Sun

Title

AR 2887

About this image

Seeing was unsteady and trying out different spacing between the objective lens elements (3mm) to improve scope working in the UV wavelength. SER file stacked in Autostakkert 3 and processed in Astrosurface and PS CS2

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