|
Top |
Deepsky Photo Gallery |
BBS|
|
|
|
|
Date: February 18th, 2004. 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(-16.0 °C) IDAS Type Ⅲ RGB separation filter R,G and B images were taken with 2×2 binning Exposure: L;10min. ×17 frames R; 7min. ×3 frames, G, B; 5min. ×3 frames each LRGB composition (total exposure time : 221min.) Image processed with StellaImage3,5 & The GIMP. |
|
|
