Globular Cluster M53 (NGC5024)

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<Image : Globular Cluster M53>
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<<Photography Data>>
Date: February 26th, 2003.
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(-20.0 °C)
IDAS Type Ⅲ RGB separation filter
Exposure: L;5min. ×12 frames
R, G, B; 10min. ×2 frames each
LRGB composition (total exposure time : 120min.)
Image processed with StellaImage4 & The GIMP.

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