Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.armaghplanet.com/blog/tag/observing
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Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 00:41:18 2016
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observing | Astronotes

observing Archive