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Kepler's Supernova

Also known as SN 1604

Kepler's Supernova is a supernova remnant in the constellation Ophiuchus.

Last supernova seen in our galaxy (1604)

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

Facts

TypeSupernova remnant
ConstellationOphiuchus
Position (J2000)17h 30m 40s, −21° 29′
Size on the sky3′ × 3′ (the full Moon is about 31′)
FilterOIII filter (Planetary nebulae and supernova remnants shine mostly in the green light of doubly ionised oxygen: an OIII filter passes it and darkens the sky around it.)
Studied in869 scientific papers (SIMBAD)

When and how to see it

Kepler's Supernova is highest in the sky at midnight in June. From India (about 20° N) it climbs to about 49° above the horizon; from 50° N, to about 19°.

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 Ophiuchus

Everything in Ophiuchus · All 88 constellations · All sky objects

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