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Old 04-08-2017, 02:43 PM
Rob_K
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Join Date: Oct 2006
Location: Bright, Vic, Australia
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Omega Nebula spectrum

Another "accidental" spectrum obtained while attempting another. The Omega or Swan Nebula (M17) emits strongly at the OIII and Ha lines. This spectrum possibly shows faint emission at the Hb line.

Cheers -
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