Antares_Paul Posted June 4, 2013 Share Posted June 4, 2013 (edited) I have been processing with PixInsight for a while now and have been meaning to give the annotation script a try. With no real usable sky I had 90 minutes on NGC6921 last night but I didn't realise it was so small and actually only picked it out because it was centre frame A perfect image to try annotation on. Dust bunnies/sat trails and all ... The plate-solve gave this information; Resolution ........ 1.362 arcsec/pix Rotation .......... -92.792 deg Focal ............. 764.77 mm Pixel size ........ 5.20 um Field of view ..... 1d 36' 10.3" x 1d 3' 8.8" Image center ...... RA: 20 28 37.326 Dec: +25 42 02.06 Image bounds: top-left ....... RA: 20 26 05.953 Dec: +26 28 26.35 top-right ...... RA: 20 26 28.612 Dec: +24 52 25.26 bottom-left .... RA: 20 30 47.839 Dec: +26 31 31.70 bottom-right ... RA: 20 31 06.742 Dec: +24 55 28.13 Great fun! Will for sure satisfy my inner geek Just thought I would share. Incidentally acquisition was 9x600s ISO400. Moot point with all the clutter in frame Regards. Edited to add: Full res image can be seen here Edited June 6, 2013 by Antares_Paul Link to comment Share on other sites More sharing options...
Antares_Paul Posted June 4, 2013 Author Share Posted June 4, 2013 If nothing else, you can see my stars are not positioned correctly at frame edges. Regards. Link to comment Share on other sites More sharing options...
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