Open Clusters NGC7788 & NGC7790

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<Image : Open Clusters NGC7788 & NGC7790>
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<<Photography Data>>
Date: November 14th, 2001
Location: Uchihara, Ibaraki, Japan
Vixen R200SS 200mm Newtonian (f800mm F4.0)
(with coma corrector lens for R200SS)
IDAS LPS-P1 filter
Vixen GP·D equatorial mount
guided with D80mm f560mm refractor
 using high sensitivity video camera & 2.5inch monitor
Vixen VX-2 (focus adjustment with magnifier)
FUJICHROME TREBI 400
Exposure: 20min. +1EV pushed development

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