Slightly OT, but might be useful for sightlines if you have sun recorders.
Found this interesting little utility website for showing the above :
http://www.suncalc.net/#/53.65,-1.78...14.07.08/17:48
The above is just the location it defaults to.
It uses google maps. I've already tried looking up Ny Alesund.
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Paul Hyett, Cheltenham