The Innermost Region of the Active Galaxy NGC 1068

The Quasar without a Home: HE0450-2958

Two Quasars with their Host Galaxy

Triple quasar QQQ 1429-008

A Quasar in Different Colours

Near-Infrared Flare from Galactic Centre

AVO Windows with Obscured Quasar Image

Light curves of the black-hole GU Muscae

Detecting Metals in Invisible Galaxies

Newly Found Galaxies (SINFONI/VLT)

FORS Deep Field near Q0103-260

Lensed Quasar MG0414+0534

Quasar (24.5 mag ;z~4) in MS 1008 Field

The centre of the Milky Way (detail)

Radio-Weak Quasar J2233-606

Radio-Weak Quasar J2233-606 (Narrow Band)

Quasar HE 2347-4342

High Luminosity Quasar J03.13

Quasar HE 1013-2136 with Tidal Tails

Quasar HE 1013-2136 with Tidal Tails

The Einstein Cross

The Einstein Cross

The Centre of the Milky Way

Material Surrounding the Black Hole Sagittarius A*

Galactic Centre and Black Hole

A 92-hour Long Spectrum

The Cloverleaf Quasar