Galaxy NGC2903

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<Image : Galaxy NGC2903>
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<<Photography Data>>
Date:December 30th, 2002.
Location: Mito, Ibaraki, Japan.
Vixen R200SS 200mm Newtonian (f800mm F4.0)
(with coma corrector lens for R200SS)
IDAS LPS-P1 filter
Vixen GP·D equatorial mount
automatically guided with D80mm f560mm refractor + ST-V
BITRAN cooled CCD camera BJ-41L(-18.0 °C)
IDAS Type Ⅲ RGB separation filter
R,G and B images were taken with 2×2 binning
Exposure: L;10min. ×16 frames + 15min. ×2 frames
R, G and B;5 min. × 3 frames each
LRGB composition (total exposure time : 235min.)
Image processed with StellaImage4,5 & The GIMP.

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