Thread: M17 Horseshoe Nebula in Colour mapped narrowband
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Old 26-05-2007, 10:35 AM
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Bassnut (Fred)
Narrowfield rules!

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Join Date: Nov 2006
Location: Torquay
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M17 Horseshoe Nebula in Colour mapped narrowband
Hi Guys

The weathers been good in Sydney lately, and about time.

M17 Horseshoe Nebula in Colour mapped narrowband
Ha:SII:Ha:OIII 140:50:140:50 min

Good data from relatively short (for NB) exposures.

http://fredsastro.googlepages.com/home

Enjoy
Fred
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