DarkD Posted January 28, 2017 Share Posted January 28, 2017 (edited) Hi all, here are some images of last december taken with the Sony A7S (astrodon inside) and my SkyVision 16" telescope in Altaz mode under a light polluted sky Still learning how to get the best of my setup, but the hardest part for me is the processing with PS and other sofwares. Thanks to the A7S the signal is here but with longer exposure it will be better....next time... Clear Sky Edited January 28, 2017 by DarkD 15 Link to comment Share on other sites More sharing options...
Nova2000 Posted January 28, 2017 Share Posted January 28, 2017 Those images are great for a AZ mount. Nicely done. Link to comment Share on other sites More sharing options...
The Admiral Posted January 28, 2017 Share Posted January 28, 2017 (edited) Some nice pics there DarkD, and yup, it's all perfectly possible with an Alt-Az set-up! The processing regime is rather different though, dealing with many, many short exposure frames as opposed to a few long subs. There is a long thread devoted to Alt-Az imaging, should you not be aware, and we'd welcome you over there. Some folk are getting amazing results. https://stargazerslounge.com/topic/228101-the-no-eq-dso-challenge/ All software carries a significant learning period, so don't lose heart! Ian Edited January 28, 2017 by The Admiral Link to comment Share on other sites More sharing options...
DarkD Posted January 28, 2017 Author Share Posted January 28, 2017 I will take time to browse this huge post Thank you Ian and Nova2000 Link to comment Share on other sites More sharing options...
Mr Bergman Posted January 28, 2017 Share Posted January 28, 2017 Impressive for the lenght of subs!!looks really good! Link to comment Share on other sites More sharing options...
Grimbles Posted January 28, 2017 Share Posted January 28, 2017 All very nicely processed images for such short subs. Link to comment Share on other sites More sharing options...
happy-kat Posted January 28, 2017 Share Posted January 28, 2017 You've got really tidy neat stars, look forward to seeing more Link to comment Share on other sites More sharing options...
PaulB Posted January 30, 2017 Share Posted January 30, 2017 Considering the short exposures and equipment. I think these picture are outstanding. They are all sharply focused, clean (free from noise) with nice tight round stars. Link to comment Share on other sites More sharing options...
DarkD Posted February 2, 2017 Author Share Posted February 2, 2017 Thank you all for your comments. Two more shots with same setup (focal length with paracorr is 1840mm...) I will post more later, but for now the clouds fill the sky Michel 1 Link to comment Share on other sites More sharing options...
The Admiral Posted February 2, 2017 Share Posted February 2, 2017 Nice pics DarkD. Good to see the Trapezium sharply resolved, but then it is a 16" . I wonder if more could be had out of this data with more careful stretching? Ian Link to comment Share on other sites More sharing options...
DarkD Posted February 2, 2017 Author Share Posted February 2, 2017 Thanks Ian. Just for fun One single shot, raw of 2" at 2000 iso. Just correction of levels in PS. Scale 100% Link to comment Share on other sites More sharing options...
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