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| | Ophiuchus, mythology, history, characteristics and observations by telescope |
 | | Ophiuchus limits of this with Serpens Caput (SCp), Libra and Scorpius, to the south with the constellation of Scorpius, to the west with the constellations of Sagittarius, Serpens Cauda (SCd) and Aquila; and finally to the north with Hercules. |
 | | M 14; globular cluster located to the east of the constellation, near Serpens Tail, its magnitude is of 7.60, has an angular diameter of 11' of arc and dista 33,000 years Earth light. |
 | | M 9; precious globular cluster located to the south of the constellation near Sagittarius, is in a field riquísimo in globular cluster, its magnitude is of 7.90, angular diameter 9,3' of arc and that dista 24,000 years light of us. |
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