λ Ophiuchi

Lambda Ophiuchi is Marfik, “the Elbow”.

It's easiest found by moving a little over a binocular field northeast from delta and epsilon Ophiuchi; or from beta Ophiuchi move a little over four binocular fields west: lambda.

This blue giant is a close binary, the primary and companion orbiting each other in 129 years; presently it is at its most distant point: 1.2, 5.2; 40º, 1.4".

On the far eastern edge is 19 Ophiuchi, which has a faint companion; (Struve 2096)AB: 6.1, 10.0; 89º, 23.6".

Southeast of lambda are three Messier objects, M10, M12, and M14. Sweep your glasses southeast a little over one field until you find the one bright star here, 30 Ophiuchi and the two Messier objects.

Click on M12 for more details.

Two binocular fields east is the bright open cluster M14. Click on this object on the map for its details.

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