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Sirius - α (Alpha) Canis Majoris 2020-10-15

Aberkenfig, South Wales

Lat +51.542 Long -3.593

 

Skywatcher 254mm Newtonian Reflector, Olympus E410 at prime focus. EQ6 Syntrek Mount.

 

7 @ 20s ISO 800

8 @ 15s ISO 800

7 @ 10s ISO 800

Also 10 dark frames.

 

Processed with Deep Sky Stacker and final levels adjusted with G.I.M.P. The diffraction spikes were not added in post processing.

 

The image displays coma towards the edges. This is is one drawback of a parabolic f/4.8 Newtonian.

 

Frames were captured commencing 04:07 UT on 15th October 2020

 

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Uploaded on November 29, 2020
Taken on October 15, 2020