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PostPosted: Wed Jan 30, 2019 4:26 pm 
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Joined: Sun Oct 25, 2009 3:56 pm
Posts: 1298
Location: Caithness
The Crab nebula, the heart of M42, M 108 and M 109. Scope was the Celestron C8-XLT with a combination of 0.63x and 0,5x reducers, giving me around f.4. Camera was the Altair Astro colour GPcam basic. Mount was the Ioptron CEM 25P. Captured with APT and guided with PHD. 10x300sec subs each (10x30 secs for M42). Stacked in Nebulosity, processed in Photoshop, Flats but no darks.

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_________________
BRIAN
Celestron Nexstar 8SE, Ioptron CEM 25P mount
Altair Astro 102 ED refractor with Lunt B600 CaK diagonal
Coronado PST DS, Daystar Quark
ZWO ASI120MM camera, Canon 1000D (astro modified), Starlight Express SXV H9-C.
Gallery: http://www.astrobin.com/users/smerral/


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