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| The Centre of the Milky Way |
The black hole inside NGC 300 X-1 (artist’s impression) |
Material Surrounding the Black Hole Sagittarius A* |
The Einstein Cross |
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| FORS Deep Field near Q0103-260 |
Quasar (24.5 mag ;z~4) in MS 1008 Field |
Lensed Quasar MG0414+0534 |
The Unusual Quasar HE 2347-4342 |
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| Quasar HE 1013-2136 with Tidal Tails |
Galactic Centre and Black Hole |
The Innermost Region of the Active Galaxy NGC 1068 |
Triple quasar QQQ 1429-008 |
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| The centre of the Milky Way (detail) |
Radio-Weak Quasar J2233-606 (Narrow Band) |
Radio-Weak Quasar J2233-606 |
Revisiting the quasar without a home |
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| NGC 300 X-1 in the spiral galaxy NGC 300 |
The Quasar without a Home: HE0450-2958 |
Near-Infrared Flare from Galactic Centre |
A Quasar in Different Colours |
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| The Cloverleaf Quasar |
Two Quasars with their Host Galaxy |
The Einstein Cross |
Newly Found Galaxies (SINFONI/VLT) |
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| Detecting Metals in Invisible Galaxies |
A 92-hour Long Spectrum |
NGC 300 X-1 in the spiral galaxy NGC 300 |
AVO Windows with Obscured Quasar Image |
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| Light curves of the black-hole GU Muscae |