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Old 18-02-2007, 05:53 PM
tornado33
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PFP1, the faintest trace of an incredibly faint Planetary Nebula

Hi all
Tried for an object of such low surface brightness it was only discovered by the UK ST Ha survey http://www.aao.gov.au/local/www/qap/halpha_pages.html
An actual image taken with it can be seen in a full article here
http://arxiv.org/abs/astro-ph/0405278
"PFP 1: A Large Annular Planetary Nebula Caught in the First Stages of ISM Interaction"
I may have just got the very brightest part of it as indicated with arrows. A faint slash of red. It may be the only full colour image taken of this object (though colour images could be assembled from red and blue Schmidt plates perhaps)

My image is 2x10 mins ISO 400, with Berts 300mm f2.8 lens, Idas uv/ir and Baader UHC-S filters.
Scott
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Old 18-02-2007, 08:38 PM
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h0ughy (David)
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now that is faint. You never cease to amaze Scott
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Old 18-02-2007, 08:43 PM
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Where?......
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Old 18-02-2007, 09:34 PM
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that is faint
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Old 18-02-2007, 10:02 PM
tornado33
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The actuac co ords are
RA 7h 22m 17 s, DEC -06 21' 22"
I will try a longer imaging run with the Ha filter next time.
Scott
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Old 18-02-2007, 10:31 PM
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Boy that's faint alright, if you didn't have the arrows there, i would never have found it in a million years.

Cheers Leon
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