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Date: January 7th, 2008. 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. ×8 frames R; 7min. ×2 frames, G and B; 5min. ×2 frames each LRGB composition (total exposure time : 114min.) Image processed with StellaImage5 & The GIMP. |
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