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KAAA-BOOM

Started by XT10, 10/23/2009 09:41PM
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Posted 10/23/2009 09:41PM Opening Post
David Tasch
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Join Date: Jun 2002

Location: Austin TX, US

Posts: 115

Atik16HR thru a Nikon MF 135mm F2.8 lens. About 3.5 hrs exposure gathered by 10 and 15 minute subs shot at both F2.8 and F4. FWHM ~1.15 @ F4 and ~1.5 @ F2.8. Carried piggyback on and guided thru a TEC140. All swinging on a Mach1GTO.

Hope you like,

David



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Posted 10/24/2009 03:13PM #1
David Tasch
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Non-inverse.

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Posted 10/24/2009 06:31PM #2
John Biretta
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Very nice -- reminds me of the old Palomar Sky Survey
prints of this region done with a 48" Schmidt
and 14" plates. Is this an H-alpha filter?
Is that FWHM in pixels? Good lens.
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