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Date: May 20th, 2009. Location: Mito, Ibaraki, Japan. SIGMA APO TELE MACRO 300mm F4.0 lens (diaphragm F5.54) IDAS LPS-P1 filter Takahashi EM-400 Temma2 equatorial mount automatically guided with D80mm f560mm refractor + NexImage & GuideWalk BITRAN cooled CCD camera BJ-41L(-5.0 °C) IDAS Type Ⅲ RGB separation filter R,G and B images were taken with 2×2 binning Exposure: L;10min. ×10 frames R; 7min. ×3 frames, G, B; 3min. ×3 frames each LRGB composition (total exposure time : 151min.) Image processed with StellaImage6, Cinepaint & The GIMP. |
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