Miguel1983 Posted March 28, 2020 Share Posted March 28, 2020 Hi, just finished M101 after a troblesome start, there seems to be something wrong with my Bias frames, a friend let me use his bias and all worked out. So, this is M101 from last weekend and past week. I've shot 335 2min L subs , and on average 150 2min subs on R G and B. I got 7 hrs of Ha data too, but i'll add them some other time. Thanks for looking, commenting 25 Link to comment Share on other sites More sharing options...
Ronclarke Posted March 28, 2020 Share Posted March 28, 2020 That's a great image, the colours are really rich and lots of detail, well done 👍 1 Link to comment Share on other sites More sharing options...
John Nodding Posted March 28, 2020 Share Posted March 28, 2020 Fabulous image Miguel! 👍 1 Link to comment Share on other sites More sharing options...
Erling G-P Posted March 28, 2020 Share Posted March 28, 2020 That's spectacular! With the amount of Ha already visible, I can't imagine what it will be like if you add another 7hrs of it! 1 Link to comment Share on other sites More sharing options...
geeklee Posted March 28, 2020 Share Posted March 28, 2020 Cracking image @Miguel1983. A lot of detail and colour in there.👍 1 Link to comment Share on other sites More sharing options...
Laurin Dave Posted March 28, 2020 Share Posted March 28, 2020 Very nice Miguel, great detail and colour. looks like you are using ASI1600.. which is calibrated best using matched darks /flatdarks rather than bias, especially that from an different camera.. also best to take the camera off the scope to take your darks to make sure there are no light leaks. It'll be even better Dave 1 Link to comment Share on other sites More sharing options...
Miguel1983 Posted March 29, 2020 Author Share Posted March 29, 2020 14 hours ago, Laurin Dave said: Very nice Miguel, great detail and colour. looks like you are using ASI1600.. which is calibrated best using matched darks /flatdarks rather than bias, especially that from an different camera.. also best to take the camera off the scope to take your darks to make sure there are no light leaks. It'll be even better Dave Hi, i have tried flat darks, no success the problem was that the flats were over correcting. I have tried several settings, it’s a mystery. Using my friend’s bias solved it, explain that 🤷🏻♂️ Link to comment Share on other sites More sharing options...
Laurin Dave Posted March 29, 2020 Share Posted March 29, 2020 I can't! Very odd... how are you calibrating your flats? Link to comment Share on other sites More sharing options...
geoflewis Posted March 29, 2020 Share Posted March 29, 2020 That is one gorgeous M101 Miguel, it doesn't look like it needs any Ha added. Which scope was that take with? Link to comment Share on other sites More sharing options...
Miguel1983 Posted March 29, 2020 Author Share Posted March 29, 2020 2 hours ago, Laurin Dave said: I can't! Very odd... how are you calibrating your flats? If you mean how i shoot them, i use APT CCD flats aid with a minimum exposure length of 0,2sec and i use a LED drawing panel and white paper to dim it more. After that i just trow everything in DSS Link to comment Share on other sites More sharing options...
Miguel1983 Posted March 29, 2020 Author Share Posted March 29, 2020 1 hour ago, geoflewis said: That is one gorgeous M101 Miguel, it doesn't look like it needs any Ha added. Which scope was that take with? This was taken with the Esprit 120 1 Link to comment Share on other sites More sharing options...
Laurin Dave Posted March 29, 2020 Share Posted March 29, 2020 Do you have "dark optimisation" disabled? if so then I really have no idea what's going on... if not then try it with your matched darks Link to comment Share on other sites More sharing options...
Miguel1983 Posted March 29, 2020 Author Share Posted March 29, 2020 25 minutes ago, Laurin Dave said: Do you have "dark optimisation" disabled? if so then I really have no idea what's going on... if not then try it with your matched darks These are my settings in DSS, its in dutch, but its all in the same place 🙂 Link to comment Share on other sites More sharing options...
Laurin Dave Posted March 29, 2020 Share Posted March 29, 2020 I don't use it I'm afraid so not familiar with it, I just know that dark optimisation should be turned off Link to comment Share on other sites More sharing options...
Miguel1983 Posted March 31, 2020 Author Share Posted March 31, 2020 On 29/03/2020 at 16:02, Laurin Dave said: I don't use it I'm afraid so not familiar with it, I just know that dark optimisation should be turned off i'll look into that, thanks Link to comment Share on other sites More sharing options...
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