NGC 884 and NGC 869 - Double cluster in Perseus

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NGC 884, NGC 869 - click for hi resolution image
Object: NGC 884, NGC 869 - open cluster, Perseus
Coordinates: RA: 02h 21m 54s DE: +57° 12' 58" (J2000), image center
Location, date: Chlum u Hradce Králové (19.10.2009), Czech Republic
Telescope: Pentax SDHF with artificial cross in front of the objective lens
Focal lenght, speed: 500 mm, f/6.67
Camera: Canon EOS 300D, astrophoto modification
Senzor: 6.3 MPix APS-C, 22.7 x 15.1 mm, pixel 7.4 um
Expozure: Ha:R:G:B 160:200:180:190, bin 1x1
Filter: -
Mount: Celestron CG5-Advanced GT
Pointer: Sky-Watcher, 75/500 mm