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Acrux in Southern Cross (77mm 5DII).jpg
Alpha Cruxis, or Acrux, the brightest star in the Southern Cross, Crux. It is a blue-white star 320 light years away. This is a superb double star but is not resolved here. Small star clusters NGC 4349 (above) and NGC 4609 (at left) appear near Acrux. The area is also rich in dark nebulas near the Coal Sack.
I shot this April 3, 2016 from the Tibuc Cottage, Coonabarabran, NSW, Australia using the 77mm f/4 astrographic refractor and filter-modified Canon 5D MkII, for a stack of 4 x 6 minute exposures at ISO 1600.
I shot this April 3, 2016 from the Tibuc Cottage, Coonabarabran, NSW, Australia using the 77mm f/4 astrographic refractor and filter-modified Canon 5D MkII, for a stack of 4 x 6 minute exposures at ISO 1600.
- Copyright
- © 2016 Alan Dyer
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- 5619x3748 / 22.9MB
- www.amazingsky.photoshelter.com
- Contained in galleries
- Stars, 2016 Australia