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Pup split with Celestron C9.25
Hello,
As a comparison against the Mewlon 180 F12, here is a stacked image of Sirius taken through the Celestron C9.25 F10 with essentially the same set up; a TeleVue x4 PowerMate and DMK31, albeit in seeing judged to be slightly inferior, estimated at 6 to 7/10 on 7th Feb 2009.
What was really surprising, were the patterns of diffraction spikes in an SCT that only has a central obstruction, no spider vanes????
Cheers
Dennis
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