SDSS J1004+4112

Also known as QSO J1004+4112

SDSS J1004+4112 is a deep-sky object in the constellation Leo Minor.

Quasar seen five times over through a galaxy cluster's gravitational lens

Open it on the live sky map Plan Night Exploration

SDSS J1004+4112: a sky-survey photograph of its field — Sky survey view (DSS2 colour, or a backup survey)

Facts

Constellation	Leo Minor
Position (J2000)	10h 04m 34s, +41° 12′

When and how to see it

SDSS J1004+4112 is highest in the sky at midnight in February. From India (about 20° N) it climbs to about 69° above the horizon; from 50° N, to about 81°.

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.

Data: · Data sources & credits