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This is composed of a single 30s exposure unguided through each filter (RGB) to make a color image. The noise in this image was very difficult to deal with... but that's what happens when you don't stack🙃 For processing I did lots of noise reduction using TGV denoise, MML, and ADCNR in Pixinsight, stretch image, and curves transformation. 

Captured 29 July 2019

FSQ 106

ZWO1600 mm



Edited by HunterHarling
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1 hour ago, maw lod qan said:

Very nice!

Oh how nice it would be to put your eye to an eyepiece and actually see that!

That's what I thought also. I'll have to do some observing when m31 is a bit higher.

2 hours ago, Scooot said:

That’s very impressive :) 


1 hour ago, Nigella Bryant said:

That's impressive for 30's for each RGB. Well done. 

The Andromeda Galaxy is a great target for this challenge. Big and bright...

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2 hours ago, Gina said:

Am I wrong or should the image be a single 30s image?  Beautiful image though.

I wouldn't be able to have a RGB image though... the individual channels are singe 30s. Also, the images aren't stacked, just color combined.

Edited by HunterHarling
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