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siqingtan
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    http://eastnc.craigslist.org/rvs/742823191.htmlhttp://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/2562793/page/1/view/collapsed/sb/5/o/all/fpart/1?[ 本帖最后由 siqingtan 于 2008-8-7 10:59 编辑 ]
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    > > This is a two frame hydrogen alpha mosaic of the Horsehead regionof> > Orion. I don't post here often, but my AP160 gets used remotely an> > average of 10-12 nights a month. The AP160/U16M combo are a> beautiful> > match with the field flattener, perfect stars to the corners. The> >...
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    I also added SII and OIII on my Rosette imagehttp://users.skynet.be/dk.astro.photo/deepsky/rosette-couleur_stl.htm18x20 minutes of Halpha as luminance12x10 minutes in binning 2x2 for SII and OIIIAP 130 f/7 (with filed flattener)AP 900 GTO (better with sideral motion rather than lunar.. ...
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    The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy some two and a half million light-years away. But without a telescope, even this immense spiral galaxy - spanning over 200,000 light years - appears as a faint, nebulous cloud in the constellation Andromeda. ...
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    Here's my latest work on 30 Doradus using our remote AP 155 EDIF and f/5reducer/flattener from South Australia.18 hours total exposure, with the FLI Proline 16803OIII, HII, SII false color combine.I couldn't be happier with the result, coming from a grayscale guy.50% resolution...
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