Astrophysical x-ray source
astronomical object emitting X-rays
3C 47
3C 449
3C 191
3C 212
SS 433
HE0450-2958
Crab Pulsar
Big Dipper
19 Puppis
super soft X-ray source
Norma Cluster
3C 295
R136b
ADS 1359
Cygnus OB2
57 Camelopardalis
Cygnus Loop
Circinus X-1
Crab Nebula
Arp 55 NE
Omega Nebula
Messier 22
Cygnus A
Cygnus X-3
L 1159-16
RX J1856.5-3754
AG Carinae
Maffei 1
Abell 2218
Wolf 1061
Perseus Cluster
Theta Carinae
Abell 2029
Rigel
Alpha Centauri
Achernar
Eta Carinae
Canopus
Corona Borealis Cluster
Capella
Altair
Spica
Pollux
Castor
Procyon
Algol
Mimosa
Beta Centauri
Scorpius X-1
Zeta Puppis