Centaurus A Galaxy Up Close

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'Centaurus A Galaxy Up Close'

Centaurus A Galaxy Up Close

[Public Domain] 11 May 2021 Dylan O'Donnell
CATEGORY : Astrophotography
14,634 others viewed this post.

I just finished this image of Centaurus A, a weird looking and relatively close galaxy best viewed from the Southern Hemisphere. I was especially pleased to resolve hints of a relativistic jet for the first time in the bottom left area which are emissions coming directly from it’s central black hole!

The strategy for this image was to get as much broadband data as possible then only stack the best of that data which worked really well and I explain in more detail here : https://www.youtube.com/watch?v=dkVLdvtRxKY

Processing – Mono Lum : Flats, Darks, Subframe Selection, Star Registration, Integration, Drizzle, Histogram Transformation. One Shot Colour : Darks, Star Registration, Integration, Drizzle, Colour Calibration, Background Neutralisation, SCNR, Histogram Transformation.

Celestron 11” Edge HD @ F10 / 2800mm
Skywatcher EQ8rh-Pro Mount
39 x 120s – No Filter – QHY268 Monochrome
41 x 60s – No Filter – QHY247 Colour 
Total Integration – 1.98 hours from 6 nights of imaging.

 Download Full Resolution (2560x1636) 499KB


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