Open Cluster NGC2509

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<Image : Open Cluster NGC2509>
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<<Photography Data>>
Date:December 26th, 2005.
Location: Mito, Ibaraki, Japan.
Vixen R200SS 200mm Newtonian (f800mm F4.0)
(with coma corrector lens for R200SS)
Vixen GP·D equatorial mount
automatically guided with D80mm f560mm refractor + ST-V
Canon EOS Kiss Digital (set up to ISO400)
Exposure: 3min. ×7 frames (total exposure time 21min.)
Image processed with StellaImage5, Cinepaint & The GIMP.

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