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Illustrated Guide to Astronomical Wonders by Barbara Fritchman Thompson, Robert Bruce Thompson

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20Draco, The Dragon

NAME: Draco (DRAY-koe)

SEASON: Spring

CULMINATION: midnight, 24 May

ABBREVIATION: Dra

GENITIVE: Draconis (dray-KOE-nis)

NEIGHBORS: Boo, Cam, Cep, Cyg, Her, Lyr, UMa, UMi

BINOCULAR OBJECTS: NGC 5866 (M 102)

URBAN OBJECTS: none

Draco is a large, moderately dim, circumpolar constellation, ranking 8th in size among the 88 constellations. It covers 1,083 square degrees of the celestial sphere, or about 2.6%. Although Draco is home to one second magnitude star, five of third magnitude, and ten of fourth magnitude, those naked-eye stars are scattered across a sprawling constellation that extends across more than 100 degrees of sky.

Although Johann Bayer was never completely consistent in assigning letters to stars in order of their ...

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