> skycalc, but now that you mentioned licensing issues I may guess that
> its absence has to do with John Thorstensen's licensing restrictions.
I would think so. SKYCALC is available elsewhere on the web like from
the IRAF archive. There are GUI interfaces, such as the ESO Sky
Calendar Tool (http://www.eso.org/observing/skycalc.html. It was added
to the Starlink Collection for the convenience of our users. In another
universe we could have had something similar based upon SLALIB.
Malcolm
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