Brian28 Posted May 18, 2019 Share Posted May 18, 2019 (edited) This was the first image taken over the last week , shot Saturday ,Sunday and finished Monday 147 x 300 second subs LRGB total integration time of 12.25 hrs 180 flats 30darks 30bias processed in APP and PS i would like to get some more definition in the dust , any suggestions ? Edited May 19, 2019 by Brian28 8 Link to comment Share on other sites More sharing options...
Adreneline Posted May 18, 2019 Share Posted May 18, 2019 (edited) Hi Brian, A really nice image; love the framing and I especially like the blues in the core region. NGC7023 is one of my favourite objects to image although my past efforts have hardly done it justice. I hate to be critical but there seem to be some strange 'linear' bands extending from the top of the image down toward the bottom; they are especially noticable on the left of the core. It's almost as if they are radial and the centre is way off to the top of the image. It might be my MacBook display or my eyes! I've looked at a few other images (e.g. APOD) to see if I can see the same thing but no joy. I am afraid I have no idea what might be causing them and unless someone else points them out maybe it is just me. Thanks for sharing. Adrian Edited May 18, 2019 by Adreneline Correction Link to comment Share on other sites More sharing options...
Brian28 Posted May 18, 2019 Author Share Posted May 18, 2019 (edited) Its something on the Luminance master .. I will have to reprocess it again and see if it goes .. so it's not your MacBook ! .. Edited May 18, 2019 by Brian28 Link to comment Share on other sites More sharing options...
Brian28 Posted May 18, 2019 Author Share Posted May 18, 2019 (edited) has anyone any idea about these off vertical bands radiating from the centre ? the filter is a Chroma Luminance . Edited May 18, 2019 by Brian28 Link to comment Share on other sites More sharing options...
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