Galaxy M109 (NGC3992)

<Clickable Map of constellation Ursa Major (Central region)> | 

<Image : Galaxy M109>
View Image|
<<Photography Data>>
Date: January 10th, 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. ×20 frames
R; 7min. ×3 frames, G and B; 5min. ×3 frames each
LRGB composition (total exposure time : 251min.)
Image processed with StellaImage4 & The GIMP.

Valid XHTML 1.0!| Valid CSS!|