NGC2244 Rosette Nebula Core Area in Halpha from Stinger 450 Classical Cassegrain and FLI IMG1024S Dream Machine with Dichroic Beam Splitter and AO7

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Taken on January 12, 2006 from my backyard in Castro Valley, Ca.

Finger Lakes IMG1024S Dream Machine  imaging camera operated at -40C

Dichroic Beam Splitter

AO7 @ 7.4Hz

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

Custom Scientific 3nm FWHM Ha filter (50mm diameter)

3 exposures of 45 minutes through Halpha filter

2 hours 15 minutes total exposure time

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