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Date: January 25th, 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. ×18 frames R; 7min.×3 frames, G,B; 5min.×3 frames each LRGB composition (total exposure time : 231min.) Image processed with StellaImage5, & The GIMP. |
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