Amazing Sky by Alan Dyer

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NGC 4755 Jewel Box (4in f6 20Da).jpg

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NGC 4755, the Jewel Box Cluster in Crux, near Beta Cruxis.

Technical:
This is a stack of just 2 x 4-minute exposures at ISO 400 with the Canon 20Da and Astro-Physics 105mm refractor at f/6. Taken from Coonabarabran, NSW, Australia, in July 2006. Diffraction spikes added with AstronomyTools. Reprocessed in 2025.
Copyright
© Alan Dyer 2006
Image Size
3504x2336 / 4.8MB
Contained in galleries
Star Clusters, NGC/IC Objects
NGC 4755, the Jewel Box Cluster in Crux, near Beta Cruxis.<br /> <br /> Technical: <br /> This is a stack of just 2 x 4-minute exposures at ISO 400 with the Canon 20Da and Astro-Physics 105mm refractor at f/6. Taken from Coonabarabran, NSW, Australia, in July 2006. Diffraction spikes added with AstronomyTools. Reprocessed in 2025.