Thread: Omega Nebula spectrum
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Old 04-08-2017, 03:43 PM
Rob_K
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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.

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