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RGB=[SII], Ha, [OIII]
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Greyscale= [SII]+ Ha + [OIII]
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Hydrogen Alpha only
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[Sulfur II] only
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[Oxygen III] only
See a survey shot of IC1396 taken last fall by clicking here:
Update: June 4, 2004
To see a morphing animation of this image with the Spitzer IR image, click here (caution, 7MB file!). To learn more about the Spitzer image, click here
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Taken on May 30, 2004 from my backyard in Castro Valley, Ca.
AP180EDT f/9 imaging scope used at F=1620 (f/9)
AP80/900mm guide scope
AP1200GTO mount
FLI IMG1024S imaging camera @-35C
FLI CFW1 Filter wheel
FLI DF2 Digital Focuser
ST7E guide camera @ -15C
Custom Scientific [SII] filter 673.4nm/ 3nm FWHM
Custom Scientific [OIII] filter 500.7nm/3nm FWHM
Custom Scientific Ha filter 656.3nm/3nm FWHM
Five exposures of 600 seconds for [SII] and [OIII]
Four exposures of 600 seconds for Ha
Total exposure time 2 hours 20 minutes
Buy this and other images here