Date: April 2nd, 2008. Location: Mito, Ibaraki, Japan. Vixen R200SS 200mm Newtonian (f800mm F4.0) (with coma corrector lens for R200SS) IDAS LPS-P1 filter Takahashi EM-400 Temma2 equatorial mount automatically guided with D80mm f560mm refractor + NexImage & GuideWalk BITRAN cooled CCD camera BJ-41L(-16.0 °C) IDAS Type Ⅲ RGB separation filter R,G and B images were taken with 2×2 binning Exposure: L;10min. ×9 frames R; 7min. ×2 frames, G, B; 5min. ×2 frames each LRGB composition (total exposure time : 111min.) Image processed with StellaImage5 & The GIMP. |