[SII] = Red, Halpha = Green, [OIII] = Blue
Click image to enlarge, click here for highest resolution
Click image to enlarge. Click here for highest resolution
Halpha only
Taken May 14, 2005 from Fremont Peak State Park, near San Juan Bautista, California
Pentax Takumar 150mm f/2.8 medium format camera lens (stopped down to f/4)
ST10XME imaging camera operated at -20C
Finger Lakes DF2 Digital Focuser
Finger Lakes CFW7 Filter wheel (first light testing!)
Takahashi FCT-76 guide scope
SBIG ST7E guide camera
Custom made camera mounting frame (first light testing!)
Custom Scientific 3nm [OIII] filter (50mm unmounted)
Custom Scientific 3nm [SII] filter (50mm unmounted)
Custom Scientific 3nm Ha filter (50mm unmounted)
four exposures of 15 minutes for Halpha and [OIII]
five exposures of 15 minutes for [SII]
three hours 15 minutes total exposure time