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CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Observational Astrophysics

A place to record your methods and observations that relate to stellar dynamics and evolution, including variable and carbon stars. Spectroscopy, photometry and radio astronomy are particularly welcome.
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CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


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