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ACrux (Alpha Crux)

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This image shows the very bright Alpha Crux, one of the stars of the Southern Cross and a surrounding star field. The field of view is relatively narrow, having been taken at a focal length of about 480mm with a DSLR. This results in many pinpoint stars across the FOV and a few patches of dark nebulosity. The exposure time for this image is relatively short, but the detail is surprising and clear for such limited exposure time as 10 minutes total.
Camera:Canon 350D DSLR
Lens/Telescope:William Optics Megrez 80
Focal Length:480mm
Aperture:80mm
Exposure Time:2 x 300 seconds (10 minutes total)
Date:March 2008
This is a web site about photography, amateur astronomy, astrophotography, general amateur astronomy and telescope information, by Roger Groom based in Western Australia. Photography is copyright, see copyright info

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