Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: Ivor on Mar 21, 2023, 22:35:42

Title: Some old favourites M81 & M82
Post by: Ivor on Mar 21, 2023, 22:35:42
Tried a couple of ways of processing this and fairly happy with this result. I need to work out how to make a mask to cover just the bluey white arms of M81 I couldn't get it to work with colour mask.

Imaging Telescopes William Optics FLT110
Imaging Camera ZWO ASI2600MC Pro
Software:  PixInsight
Date: 19 Jan 2023
Frames: 121×300″(10h 5′) (gain: 0.00) -10°C bin 1×1
Avg. Moon age: 26.78 days
Avg. Moon phase:8.30%
Bortle Dark-Sky Scale: 4.00

(https://cdn.astrobin.com/solutions/images/12345/2023/6463dfeb-cb17-40f0-bd0b-af54f3454e6e-1679004211.jpg)
 (https://www.astrobin.com/a1yhsc/B/)
Title: Re: Some old favourites M81 & M82
Post by: The Thing on Mar 22, 2023, 09:18:45
Very nice Ivor.

I'm processing M81 M82 at the moment and I hope the galaxies turn out as well as yours.
Title: Re: Some old favourites M81 & M82
Post by: Carole on Mar 24, 2023, 16:15:57
Ivor, have you got a version without the annotation for posting on members images?

Carole
Title: Re: Some old favourites M81 & M82
Post by: Ivor on Mar 24, 2023, 19:58:24
Here you go

(https://cdn.astrobin.com/images/12345/2023/6463dfeb-cb17-40f0-bd0b-af54f3454e6e.jpg)
Title: Re: Some old favourites M81 & M82
Post by: garrick on Apr 01, 2023, 20:56:36
Great image Ivor.

CS

GW