Observation by Alun Halsey: Large prominence in Calcium K-line 27th ...

Uploaded by

Alun Halsey

Observer

Alun Halsey

Observed

2023 Feb 27 - 15:40

Uploaded

2023 Feb 28 - 14:32

Objects

The Sun

Equipment

Helios 150mm f/8 achromat with re-spaced air gap of objective lenses
Lunt CaK B1200 module (scope was closed down to 100mm f/10)
DMK 31AU03AS mono camera
CEM60

Location

Reading Berkshire UK

Target name

The Sun

Title

Large prominence in Calcium K-line 27th Feb 2023

About this image

Large prominence on the western limb of the Sun,a 700 frame SER file recorded in Firecapture along with a 500 frame SER for the limb detail. Both stacked in Registax and using layers in Photoshop CS2 to combine the two images,wavelet sharpening in Astrosurface and back into CS2 to add false colour to the limb. North is to the left and west is up in the image.

Files associated with this observation

2023-02-27-1540_1-U-B-Sun_DMx-31AU03AS_combined_proc.jpg (40.6 kB)

Like this image

James Weightman, Gerard Cauchi, Martina McGovern, Jim Tomney, Nick Hewitt

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