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Old 08-01-2011, 04:42 PM
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allan gould
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Rosette nebula from rainy BrisVegas.

Managed to get 12x5 min of this faint beast with the QHY8 and 5" refractor before the rains set in again. Its had more processing than Phylis Diller so Ive kept it soft but I need far more data to smooth the whole thing out as its just soooooo faint I couldn't believe it, but I dont know when the rain will let me as it looks like its socked in for the next week or so.
At least the guiding etc was fine.
Comments welcome.
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Old 08-01-2011, 05:02 PM
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It's a bit hard to view on the small image but looks like it is coming along nicely Alan.
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Old 08-01-2011, 07:38 PM
Hagar (Doug)
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Nice image Allan but I think you might need longer than 5 minutes or an awful lot of them to smooth the image and lift the detail.
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Old 08-01-2011, 08:24 PM
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Peter and Doug
You are both right. The image is small due to gross processing and it needs 10-15 min subs and about three hours worth of them to do this object justice. It is such a pretty object that it needs good data or it's not worth doing. I was just caught out by how damned faint it was as I hadn't imaged it before.
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Old 08-01-2011, 08:27 PM
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multiweb (Marc)
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Coming along nicely Allan. You can already see the different shades of deep red on the outskirt and the star colors in the central clusters are nice too.
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Old 08-01-2011, 08:58 PM
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I'd love to be able to see it a bit bigger too if possible, regardless I've pimples that might show. I'm fascinated by this object.

When were you lucky enough to be able to see the stars in the last week though Alan?!!
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Old 08-01-2011, 09:01 PM
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you piad for those photons so make the image bigger Allan
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Old 08-01-2011, 09:34 PM
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Image was done on the night of Jan 2nd. Got just over the hour before the phdguiding started bleeping that cloud had come in. Guess that that's the advantage of an observatory in that you just flick a switch, wake up the mount, slew to the object and start imaging. When you have finished, park and switch off and then cover the mount and scope and then lock up. I'll be happy when I automate the dome this month. That will make things very easy.

Last edited by allan gould; 08-01-2011 at 09:48 PM.
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