Radio Galaxy Centaurus A (NGC 5128 or Caldwell 77) view from Brisbane

[Pilgrim (Igor)]

Taken with TAL-250K (Klevtsov's system 10" reflector) during 22 nights between 11.04.2022 and 7.08.2022, on my balcony in Brisbane, Bortle 7 city sky.
I shot it in an hour interval between other main objects so only took about 1.5 hour per night.

Total exposure time 34h (H-alpha 8h, LRGB: 26h)

Sub-exposures:
L: 549x2min
R: 85x2min
G: 78x2min
B: 75x2min
Ha 25x20min

More tech details and Full version + Halpha overlay:
https://www.astrobin.com/b4q2oj/

About "H-alpha minus Red" version

By subtracting the red channel from the hydrogen with the images correctly normalized in brightness, we can completely remove the stars, including their galactic background stars that is not resolved. (Some residual artifacts always left, but they are easily removed manually)

[petershah (Peter Shah)]

A super shot ....I've always wanted to image this one, I cant get it from my location unfortunately

[LKD (Luke)]

Thats awesome, great result

[Dave882 (David)]

That’s a beautiful and very interesting result. Particularly the Ha minus R version shows some really intriguing detail that I’ve never seen before on this target. Imaging on so many separate nights and probably with quite variable seeing must have led to some significant processing challenges. Well done!!

[Retrograde (Pete)]

Very nice Igor - very deep & love seeing that relativistic jet pop!

[WJH (Will)]

Nicely done mate

[alpal]

Hi Igor,
that's a great picture -
I especially like how well the jet has been unveiled.


cheers
Allan

[LonelySpoon (Neville)]

Lovely shot, Igor!
Cen A was my first target with my new gear. NINA slewed to it, checked the placement, then moved a bit more to centre it.

Out of focus and all, I still got up and did a little dance- it's a great target.

Like your processing to tease out inner detail, too.

Neville
LSO

[Mavspace (Paul)]

Inspirational shot ! Motivating me to get a larger scope

[Ant0nio (Tony)]

Very nicely done Igor,
your substantial integration & careful processing has paid dividends. .

Cheers,
Tony

[AdamJL]

Outstanding!

[strongmanmike (Michael)]

I like the close up with all that cool looking red Ha

Mike

[markas (Mark)]

Splendid image! The Ha really worth the time
Mark