Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.astronomy.com/magazine/erika-rix/2014/12/two-perspectives
Äàòà èçìåíåíèÿ: Unknown
Äàòà èíäåêñèðîâàíèÿ: Sun Apr 10 11:03:44 2016
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Ïîèñêîâûå ñëîâà: emission nebula
Two perspectives | Astronomy.com
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Two perspectives

Celestial sketcher Erika Rix uses emission nebula IC 1805 and open star cluster Melotte 15 to show how observers create different sketches of the same objects.
RELATED TOPICS: EMISSION NEBULAE | OPEN CLUSTERS
Erika-Rix
Ask two observers to point their telescopes toward the same large celestial object and then to sketch the views. You might be surprised at how different the results turn out. The focus of the observation, and indeed the technique used to record it, is personal to each individual. I’ll use IC 1805, also known as the Heart Nebula, to explain.

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