Also, there's something that keeps showing up in my photos, that
looks much bigger than a star, but I certainly don't see anything
that big when I look with my naked eye. It's to the left (east) of
Orion:
It's in the upper right of this photo, shot with a 20mm:
http://www.flickr.com/photos/ellarsee/4423578729/sizes/o/
cropped in here:
http://www.flickr.com/photos/ellarsee/4424355120/
30 seconds of exposure so in one dimension it's maybe a minute of
rotation, or two, wide, but in the other, it's the equivalent of
several minutes long.
That is Sirius, the brightest star in the sky. It looks so big
because it is at the edge of the field, and your Sigma lens is
distorting it. Stopping it down might help things.
--
Steve Sharpe
[email protected]
http://earth.delith.com/photo_gallery.html
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