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hello, sorry late reply,
photo data:
Group 1 : Light n. 17 - 800 ISO - 480 sec, Flat n.21, dark n.21, Bais n.31
Group 2 : Light n. 25 - 800 ISO - 480 sec, Flat n.25, dark n.25, Bais n.31
Canon 350 Baader

Processing DSS Median Kappa Sigma 1,5 - 5

I feel a new processing...!!!

Hello everyone,
I sent a picture of NGC 2403, are 40 frames of 480 seconds ISO 800 with Canon 350.
This is my best result
I can not do better
this is direct link to the tiff file
https://www.dropbox.com/s/ielmd6hhicw9f ... i.TIF?dl=0

Regards Leonardo