This time it's my turn! This is my capture of M57, the Ring Nebula in Lyra.
M57 was one of the first decent images I captured last year when I had even less of a clue than I do now. This version is from 25th May this year and I was quite pleased with the improvement from the year before. The data is 16 x 240 second lights at 800 iso. 7 x Darks, it was getting late. 20 Bias frames, I don't do Bias now. 20 x Flat frames. All stacked in Deep Sky Stacker.
https://drive.google.com/drive/folders/ ... sp=sharing
Just click the link above to download and process using your preferred software and methods. There are three versions of the image. An fts file straight out of
Please keep the submissions coming in for future challenges, we're getting a bit short of data! Just send a PM to a Mod or an email to firstname.lastname@example.org
And don't forget Challenge No 6 is still running too!