There is also the package solrad that might do some of this. It is more intended
for calculating solar radiation, which is probably not what you want, but may do
other things you may find helpful.
> On Jan 30, 2024, at 5:44?AM, Enrico Schumann <es at
enricoschumann.net> wrote:
>
> On Tue, 30 Jan 2024, Richard O'Keefe writes:
>
>> Given
>> - UTC timestamp
>> - a location (latitude,longitude,elevation)
>> I want to know
>> - the sun angles
>> - the moon angles
>> - the phase of the moon.
>> I looked on CRAN for astronomy, but didn't notice anything that
seems
>> to offer what I want. I could try coding these functions myself, but
>> "if you didn't write it you didn't wrong it".
>>
>
> A quick search showed several candidate packages:
>
> https://cran.r-project.org/package=suntools
> https://cran.r-project.org/package=suncalc
>
> (but I don't use any of those packages)
>
> Perhaps also worth asking at:
> https://stat.ethz.ch/mailman/listinfo/R-SIG-Geo/
>
>
> --
> Enrico Schumann
> Lucerne, Switzerland
> http://enricoschumann.net
>
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--
Kevin E. Thorpe
Head of Biostatistics, Applied Health Research Centre (AHRC)
Li Ka Shing Knowledge Institute of St. Michael?s Hospital
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.thorpe at utoronto.ca Tel: 416.946-8083