Hercules A

Hercules A is a deep-sky object in the constellation Hercules.

Radio galaxy whose black hole blows jets about 1.5 million light-years long

Open it on the live sky map Plan Night Exploration

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

Facts

Constellation	Hercules
Position (J2000)	16h 51m 07s, +4° 59′

When and how to see it

Hercules A is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 75° above the horizon; from 50° N, to about 45°.

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.

Hercules A

Facts

When and how to see it

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