click image to enlarge, click here for highest resolution
Pseudo-True Color Palette (read more about the Pseudo_True Color technique here)
Taken on January 9 and 10, 2007 from my backyard in Castro Valley, California
To
see this object in Halpha only, click here
To
see this object in [SII], Halpha and [OIII], click here
To
see a widefield view of this object in [SII], Halpha and [OIII], click here
Stinger
450 Classical Cassegrain (18" f/12.6)
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
5 exposures of 45 minutes through [OIII] filter
6 hours total exposure time