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The Ring Nebula


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About this observation
Mike Scarisbrick
Time of observation
11/09/2016 - 00:00
Messier 57
Observing location
Cambridgeshire, UK
SkyWatcher 200 mm Newtonian
HEQ5 mount
Canon EOS 500D
Trius SX-814C
58 x 80 seconds with Canon DSLR at ISO 3200, 35 x 60 seconds with Starlight Xpress SX-814C
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I had been trying to compare my SkyWatcher barlow lens with an APM Coma Correcting x2.7 barlow, and decided to combine two images.

The background stars are from the DSLR with the SkyWatcher barlow (spaced to give x2.4), taken on a moonless, dewless, lovely night on the 29th August. You can see hints of a barred-spiral galaxy, at about the 'half past one' position halfway from M57 to the edge of the picture. The nebula itself is from the Trius camera (hence the nice colours) and the x2.7 APM barlow, but with a first quarter moon and visibility of varying quality - there were a few lighter pixels in the 'galaxy' position - but nothing that would draw your attention.

Each set of images was separately stacked using AstroArt6, and the two then combined using a program of my own devising.


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