Deep Sky Monitor From Curiosity to Cosmos.

Puppis A

Puppis A is a supernova remnant in the constellation Puppis, about 5,650 light-years from Earth.

Supernova remnant in Puppis

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

Facts

TypeSupernova remnant
ConstellationPuppis
Position (J2000)8h 24m 07s, −42° 59′
Distance5,650 light-years (its light set off about 5,650 years ago)
Size on the sky60′ × 50′ (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 in650 scientific papers (SIMBAD)

When and how to see it

Puppis A is highest in the sky at midnight in January. From India (about 20° N) it climbs to about 27° above the horizon; from 50° N it never rises.

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 Puppis

Everything in Puppis · All 88 constellations · All sky objects

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