Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.stsci.edu/hst/nicmos/faqs/guidestars.faq
Дата изменения: Unknown
Дата индексирования: Sun Apr 10 18:52:56 2016
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Поисковые слова: star
How often would I have to acquire new guide <b style="color:black;background-color:#ffff66">stars</b>?
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Hubble Space Telescope
How often would I have to acquire new guide stars?

Q.: How often would I have to acquire new guide stars?
A.: You can use the same guide stars within one orbit, IF the pointing is within 2 arcminutes.