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Date:October 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(-10.0 °C) IDAS Type Ⅲ RGB separation filter R,G and B images were taken with 2×2 binning Exposure: L;10min. ×4 frames + 15min. ×2 frames. R,G and B;5 min. × 2 frames each LRGB composition (total exposure time : 100min.) Image processed with StellaImage4,5, & The GIMP. |
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