An important range of hills (the moon rises here at the southern extreme of the major standstill) seen from most of the Calanais sites is The sleeping beauty or The old woman in the moors (Cailleach na Mointeach), looking like:
Form left to right:
Mor Mhonadh (knees), Guainemol (body) and Sidhean an Airgid (head).
During our visit only a few things could be measured, this was also due to the very misty weather. But there is a wonderful museum on Calanais by Margeret and Ron Curtis, so go and visit it! It gives much more background on alignments than the Calanais Visitor Centre.
The most interesting things on Calanais I can be read in Ponting  in which some very pronounced reappearing of the Sun/Moon are described. Below a few of my own (misty) photographs can be seen (including the horizon profiles of Ponting ):
A comparison of our azimuth readings (using magn-true north2)
and the azimuth readings of Ponting, :
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