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View Full Version here: : NGC 4038/4039 Colliding Antennae Galaxies


CoolhandJo
26-06-2011, 01:00 PM
Wanted to image this for a while now. Happy that I manged to get some of the anntennae.

LRGB 40:24:24:24 subs at 8min.

Darks, Bias calibrated

Comments welcomed

Cosmic
27-06-2011, 12:51 AM
Awesome, there's some nice colors in that.

CoolhandJo
27-06-2011, 08:04 AM
Thanks Cosmic - This is a faint target so getting any signal was a bonus! You need a dark site and hours and hours of exposure time to do ti justice!

multiweb
27-06-2011, 09:20 AM
Looks a little clipped in the process. Everything else is perfect. Real good data. :thumbsup:

CoolhandJo
27-06-2011, 09:36 AM
Hey Marc - yes you are right. And now I think I know when in my processing steps it happens. It's when I set the tonal range. It seems to clip when I set the darkest parts and the lightest parts. I try and recover during stretching but it doesnt reverse the clipping as far as I want it too. Next target I will go easy on the tonal range setting! :( NB: Seems to be an issue only with the faint targets.

Ross G
27-06-2011, 09:35 PM
What an excellent photo Paul.

Great colours and detail.


Thanks.

Ross.

CoolhandJo
28-06-2011, 10:00 AM
Cheers Ross - yes these glaxies have great colours