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M17 in [SII], Ha and [OIII]
four hours of exposure total. Used AP180EDT f/9 and ML8300 with 15 minute subexposures
Comment
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Comment by spike77 on June 30, 2011 at 11:04am
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awesome
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Comment by Derek Baker on June 27, 2011 at 10:10am
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Great stuff, as usual Richard :-)
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Comment by Richard Crisp on June 27, 2011 at 5:49am
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Thanks Conor
I had 4x 15 minutes for Ha and [OIII] and 8 x 15 minutes for [SII]
I planned for more exposures but a number of them turned out bad so I had to make do with what I had
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Comment by Conor on June 27, 2011 at 12:56am
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That's an outstanding shot, Richard. I really wished I lived further south to shoot this properly.
How did you divide up the time between filters?
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