Globular Cluster NGC5053

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<Image : Globular Cluster NGC5053>
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<<Photography Data>>
Date: February 5th, 2006.
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(-22.0 °C)
IDAS Type Ⅲ RGB separation filter
R,G and B images were taken with 2×2 binning
Exposure: L;10min. ×8 frames + 15min. ×7 frames
R; 7min.×3 frames, G,B; 5min.×3 frames each
LRGB composition (total exposure time : 236min.)
Image processed with StellaImage4,5, Cinepaint & The GIMP.

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