BBC Sky at Night

BINOCULAR TOUR

1. Polaris ‘Engagement Ring’

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ost astronomers use mag. +2.0 Polaris (Alpha (α) Ursae Minoris) as a mere marker for the North Celestial Pole (NCP), but binoculars reveal that it is part of an asterism, a circlet of mostly 8th and 9th magnitude stars:

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