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Andrew's Astronomy Blog

Haw Wood star party

22 Sep 2014, 21:15 UTC
Haw Wood star party
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The skies didn’t clear until 4am on Sunday during the weekend of the Breckland autumn star party at Haw Wood Farm. By then the winter constellations were rising and this posts subject makes an early appearance this year.
I’d gone equipped with the Astrotrac and Canon 75-300mm zoom lens. Using this with the QHY9 camera requires a Geoptik adapter between the two. As the focus adjustment on this lens is so sensitive I’d previously purchased a set of fine focus rings that clamp to the lens and provide a fine adjustment as well as locking the focus once achieved.
Before the sky got too light I acquired 11x 5 minute frames of the belt region of Orion along with some dawn sky flats. Processed in Pixinsight.

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