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Seyfert's Sextet

Also known as HCG079

Seyfert's Sextet is a group of galaxies in the constellation Serpens, about 192.43 million light-years from Earth.

Compact group of galaxies

Seyfert's Sextet: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeGroup of galaxies
ConstellationSerpens
Position (J2000)15h 59m 11s, +20° 45′
Distance192.43 million light-years (its light set off about 192.43 million years ago)
Size on the sky1.3′ × 1.3′ (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.)
Redshiftz = 0.0143
Studied in117 scientific papers (SIMBAD)

When and how to see it

Seyfert's Sextet is highest in the sky at midnight in May. From India (about 20° N) it climbs to about 89° above the horizon; from 50° N, to about 61°.

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 Serpens

Everything in Serpens · All 88 constellations · All sky objects

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