Supernova Remnant M1 (NGC1952)
“Crab Nebula”

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<Image : Crab Nebula>
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<<Photography Data>>
Date:October 18th, 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(-8.0 °C)
IDAS Type Ⅲ RGB separation filter
R,G and B images were taken with 2×2 binning
exposure: L;15min. ×2 frames + 10min. ×3 frames
R,G and B;5 min. ×2 frames each
LRGB composition (total exposure time 90min.)
Image processed with StellaImage3 & The GIMP.

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