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NGC4038 "The Antenna"
FLI IMG1024S "Dream Machine" Camera @ -35deg C
Optec IR-blocking RGB filter set
Celestron C14 Telescope @ 3910mm focal length, f/11
Optec TCF-S Temperature Compensated focuser
Takahashi FSQ106 guide scope
SBIG ST7E guide camera
Taken at Chew's Ridge location in Monterey County, Ca. on April 12, 2002
LLRGB technique where:
L= Optec IR Blocking Clear
R= Optec IR Blocking Reg
G= Optec IR Blocking Green
B= Optec IR Blocking Blue
Exposures:
L= 11 x 300 sec
G = B = 1 x 10 minutes (binned 2x2)