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Sarin

Also known as δ Her · HR 6410

Sarin is a spectroscopic binary star in the constellation Hercules, about 77 light-years from Earth.

Sarin: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeSpectroscopic binary star (spectral type A1IVn)
ConstellationHercules
Position (J2000)17h 15m 01s, +24° 50′
Distance77 light-years (its light set off about 77 years ago)
Brightnessmagnitude 3.13 (smaller is brighter; the faintest stars the eye sees are about 6)
Studied in211 scientific papers (SIMBAD)

When and how to see it

Sarin is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 85° above the horizon; from 50° N, to about 65°. To see it you need the naked eye, even from a town.

Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.

For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.

More in Hercules

Everything in Hercules · All 88 constellations · All sky objects

Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits