Thread: Spectroscopy
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Old 12-05-2009, 08:12 AM
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Glenpiper (Bernard)
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Join Date: Aug 2008
Location: Melbourne
Posts: 89
Eta Carinae

Al,

I forgot to mention that the first thing that made me doubt you had imaged Eta Car was the poor signal/noise ratio of your spectrum ... much more like that of a mag 9-10 star than Eta's current mag 4.7

Bernard
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