Galaxy M81 (NGC3031) (2002-12-12)

Galaxy M81 (NGC3031)

<<Photography Data>>
Date:December 12th, 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(-18.0 °C) IDAS Type Ⅲ RGB separation filter R,G and B images were taken with 2×2 binning Exposure: L;10min. ×16 frames R,G and B;5 min. ×3 frames each LRGB composition (total exposure time : 205min.) Image processed with StellaImage3 & The GIMP.

Wide view around M81

<<Photography Data>>
Date: March 11th, 2007. Location: Mito, Ibaraki, Japan. Canon 200mmF2.8L lens (diaphragm F4.0) (Trimmed away the edges of an original photo) Takahashi Sky Patrol II (TG-SP II) equatorial mount Canon EOS Kiss Digital (Set up to ISO800) Exposure: 1min.×24 frames (total exposure time: 24min.) Image processed with StellaImage5 & The GIMP.

<<Photography Data>>

Date: March 11th, 2007.
Location: Mito, Ibaraki, Japan.
Canon 200mmF2.8L lens (diaphragm F4.0)
(Trimmed away the edges of an original photo)
Takahashi Sky Patrol II (TG-SP II) equatorial mount
Canon EOS Kiss Digital (Set up to ISO800)
Exposure: 1min.×24 frames (total exposure time: 24min.)
Image processed with StellaImage5 & The GIMP.

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