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Old 07-03-2006, 02:38 PM
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PhotonCollector (Paul)
All alone in the night

PhotonCollector is offline
 
Join Date: Sep 2005
Location: Newcastle, NSW. Australia.
Posts: 607
NGC3372 - Keyhole Nebula with Ha enabled camera

Hi all,

here's one of my first images with my modified Canon EOS 300D. Great to see clear skies again - even if the Moon is about.

There's a higher resolution image here http://www.skylab.com.au/pmsa/ngc3372f.html

<TABLE id=table1 cellPadding=2 border=0><TBODY><TR><TD vAlign=top>Telescope</TD><TD vAlign=top>12-inch f/5 newtonian telescope</TD></TR><TR><TD vAlign=top>Guiding</TD><TD vAlign=top>hand guided with 4.5-inch guide-scope.</TD></TR><TR><TD vAlign=top>Camera</TD><TD vAlign=top>
Canon EOS 300D Digital - Hα enabled.
</TD></TR><TR><TD vAlign=top>Exposures</TD><TD vAlign=top>6 x 120 second exposure @ ISO200 with
dark and bias frames removed and flat-fielded.
average of 3 x 120 sec. darks,
average of 10 x 1/4000 sec bias,
average of 6 x 1 second flat fields.
</TD></TR><TR><TD vAlign=top>Total Exposure time</TD><TD vAlign=top>12-minutes.</TD></TR><TR><TD vAlign=top>Filter/equipment</TD><TD vAlign=top>Used Baader Multi-purpose Coma Corrector.</TD></TR><TR><TD vAlign=top>Sky Conditions</TD><TD vAlign=top>Seeing: 9.5/10, first quarter moon at meridian.</TD></TR><TR><TD vAlign=top>Ambient Temperature</TD><TD vAlign=top></TD></TR><TR><TD vAlign=top>Notes</TD><TD vAlign=top></TD></TR><TR><TD vAlign=top>Processing</TD><TD vAlign=top>Iris, Photoshop, Noiseware CE.</TD></TR></TBODY></TABLE>
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