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Kelvin Phoon | all galleries >> Galleries >> star_clusters > Altair-5s--d-lc1.jpg
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June 2009

Altair-5s--d-lc1.jpg

San Diego

Not a star cluster, but here's a star field centered on Altair, to diagnose field curvature and coma of the APM115/805. Imaged using Apogee U8300 ccd, single 5 second exposure.


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