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Gyulbudaghian's nebula


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About this observation
Mike Harlow
Time of observation
02/10/2019 - 22:30
Gyulbudaghian's variable nebula
Observing location
Ipswich, UK
12 inch F/3.6 Astrograph
Starlight Xpress H16 CCD
Astrodon luminance filter
267 x 30 seconds (!)

4 hours imaging with the best images selected for stacking.

The imaging run was so long it started to show up the poor polar alignment of my mount.  I had to de-rotate the images before stacking (!) but it seems to have worked...

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