Observation by Alun Halsey: Lhires III spectroheliogram in CaK 29th ...

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Alun Halsey

Observer

Alun Halsey

Observed

2022 Sep 29 - 15:42

Uploaded

2022 Oct 01 - 07:36

Objects

The Sun

Equipment
  • Evostar 72ED f/6 reduced to 40mm f/10 + Hoya neutral density filter
  • Lhires III with 15um slit and 1200l/mm grating
  • QHY5III 178M science camera,ZWO ASI130MM guide camera
  • CEM60
Location

Reading Berkshire UK

Target name

The Sun

Title

Lhires III spectroheliogram in CaK 29th Sept 22

About this image

Solar scan in the calcium K wavelength,forced the solar disk across the slit using x16 speed rate on the CEM60,used Solex_ser_recon_MAIN to reconstruct the image and wavelet sharpened slightly in Astrosurface.

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