Thread: LMC & Tarantula Nebula
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Old 23-10-2009, 06:25 PM
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Merlin66 (Ken)
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The shape of the emission features shows clearly the regions of Hydrogen and Oxygen- as you said a cheap method of narrowband imaging!
Imagine saying " I have Hb OIII and Ha images taken with effective 20A bandwidth filters" -cool!!
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