Thread: Eta Carinae Nebula in Mapped Colour
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Old 12-03-2006, 11:19 AM
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Brad Moore
CCD Imaging Super Nerd

Brad Moore is offline 		 
Join Date: Sep 2005
Location: Melbourne, VIC
Posts: 109
Quote:
Originally Posted by Starkler
Noob question time.

OIII = Oxygen3
Ha = Hydrogen alpha
SII = ?

Sulphur??
Yep, Sulfur II.

Ha = 656.3nm (Red)
SII = 672.4nm (Red)
OIII = 495.9 nm (Blue/Green)

Cheers,
Brad
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