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Helix Galaxy (NGC 2685)

Also known as Helix Galaxy · NGC 2685

Helix Galaxy (NGC 2685) is a galaxy in the constellation Ursa Major, about 46.58 million light-years from Earth.

Helix Galaxy (NGC 2685): a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeGalaxy (shape SB)
ConstellationUrsa Major
Position (J2000)8h 55m 34s, +58° 44′
Distance46.58 million light-years (its light set off about 46.58 million years ago)
Brightnessmagnitude 12.7 (smaller is brighter; the faintest stars the eye sees are about 6)
Size on the sky3.1′ × 1.8′ (the full Moon is about 31′)
FilterNo filter (It shines in starlight of every colour, so a nebula filter would only dim it; a dark sky helps more.)
Studied in461 scientific papers (SIMBAD)

When and how to see it

Helix Galaxy (NGC 2685) is highest in the sky at midnight in February. From India (about 20° N) it climbs to about 51° above the horizon; from 50° N, to about 81°. To see it you need a large telescope or long-exposure photos.

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 Ursa Major

Everything in Ursa Major · All 88 constellations · All sky objects

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