Galaxies NGC3511 & NGC3513

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<Image : Galaxies NGC3511 & NGC3513>
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<<Photography Data>>
Date: February 3rd, 2005.
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. × 10 frames
R; 7min. ×2 frames, G and B;5 min. ×2 frames each
LRGB composition (total exposure time : 134min.)
Image processed with StellaImage5, Cinepaint & The GIMP.

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