Satellites, télescopes, images

An anomaly from Hubble’s archive — Collisional ring galaxy

AM1316-241

Active Galaxy NGC 4438

Alien aurorae on Uranus

An anomaly from Hubble’s archive — Gravitational lens 1

A stellar fingerprint

A tale of two record-breaking clusters

A wide-field view of Piscis Austrinus, Aquarius and Capricornus (ground-based image)

ACS image of ESO 306-17

A stellar sneezing fit