Web Updates
Dark and quiet skies preservation
Dark and quiet skies preservation page updated.
"ESO and Chile" web page updated
Major update on the ESO and Chile web page.
How ESO benefits its Member States
This page introduces some of ESO’s contributions to its Member States across five areas: science and engineering, economy and innovation, talent development, education and outreach, and international collaboration and policy.
New APOD: Two Hemisphere Night Sky
Two Hemisphere Night Sky is today's NASA Astronomy picture of the day
New APOD: The Changing Surface of Fading Betelgeuse
The Changing Surface of Fading Betelgeuse is today's NASA Astronomy picture of the day
New APOD: Carina Nebula Close Up
Carina Nebula Close Up is today's NASA Astronomy picture of the day
New APOD: Betelgeuse Imagined
Betelgeuse Imagined is today's NASA Astronomy picture of the day
Environmental sustainability web page updated
The page Green ESO — Environmental Sustainability at ESO has been updated.
New APOD: BHB2007: A Baby Binary Star in Formation
BHB2007: A Baby Binary Star in Formation is today's NASA Astronomy picture of the day
New APOD: Little Planet to Exoplanets
Little Planet to Exoplanets is today's NASA Astronomy picture of the day
New APOD: Messier 61 Close Up
Messier 61 Close Up is today's NASA Astronomy picture of the day
New APOD: M95: Spiral Galaxy with an Inner Ring
M95: Spiral Galaxy with an Inner Ring is today's NASA Astronomy picture of the day
New APOD: Zooming in on Star Cluster Terzan 5
Zooming in on Star Cluster Terzan 5 is today's NASA Astronomy picture of the day
New APOD: M106: A Spiral Galaxy with a Strange Center
M106: A Spiral Galaxy with a Strange Center is today's NASA Astronomy picture of the day
New APOD: Magnetic Orion
Magnetic Orion is today's NASA Astronomy Picture of the Day
New APOD: A Laser Strike at the Galactic Center
A Laser Strike at the Galactic Center is today's NASA Astronomy Picture of the Day
New APOD: M100: A Grand Design Spiral Galaxy
M100: A Grand Design Spiral Galaxy is today's NASA's Astronomy Picture of the Day.
New APOD: Arp 188 and the Tadpole's Tail
Arp 188 and the Tadpole's Tail is today's NASA's Astronomy Picture of the Day.
New APOD: Hyperion: Largest Known Galaxy Proto-Supercluster
Hyperion: Largest Known Galaxy Proto-Supercluster is today's NASA's Astronomy Picture of the Day.
New APOD: The Lonely Neutron Star in Supernova Remnant E0102-72.3
The Lonely Neutron Star in Supernova Remnant E0102-72.3 is today's NASA's Astronomy Picture of the Day.
Infrared Photometer/Spectrophotometer
The Infrared Photometer/Spectrophotometer was mounted at the f/35 focus of the MPG/ESO 2.2-metre telescope.
New APOD: Journey to the Center of the Galaxy
Journey to the Center of the Galaxy is today's NASA's Astronomy Picture of the Day.
Fiber Dual Echelle Optical Spectrograph
Information about the Fiber Dual Echelle Optical Spectrograph on the ESO 1-metre telescope at the La Silla Observatory, Chile.
Danish 1.54-metre Four-Channel Photometer
Danish 1.54-metre Hβ Photometer
Danish 1.54-metre Six-Channel uvby-Hβ Photometer
Danish 1.54-metre Two-Channel Photometer
ESO 0.5-metre Double-Channel Photometer
ESO 0.5-metre Single-Channel Photometer
Danish 1.54-metre CCD camera
New APOD: In the Heart of the Tarantula Nebula
In the Heart of the Tarantula Nebula is today's NASA's Astronomy Picture of the Day.
New APOD: Attack of the Laser Guide Stars
Attack of the Laser Guide Stars is today's NASA's Astronomy Picture of the Day.
New APOD: Horsehead: A Wider View
Horsehead: A Wider View is today's NASA's Astronomy Picture of the Day.
The Danish Six-Channel uvby–Hβ Photometer
The Danish Four-Channel uvby Photometer
The Danish Two-Channel Hβ Photometer
The 3.6-m Infrared Photometer/Spectrophotometer
The 3.6-m Standard Photometer
CAPjournal Issue 23 Now Available
Updated collaborations in Chile
Updated information about ESO collaborations in Chile.
The decommissioned Walraven Photometer
Info about the Walraven Photometer (decommissioned).
New APOD: Ribbons and Pearls of Spiral Galaxy NGC 1398
Ribbons and Pearls of Spiral Galaxy NGC 1398 is today's NASA's Astronomy Picture of the Day.
Biography of Prof. Lodewijk Woltjer
Biography of Prof. Lodewijk Woltjer, former ESO Director General (1975–1987).
New APOD: 'Oumuamua: Interstellar Asteroid
Oumuamua: Interstellar Asteroid is today's NASA's Astronomy Picture of the Day.
New Virtual Reality Virtual Tours online
New Virtual Reality Virtual Tours online.
Info about PISCO, the Polarimeter with Instrumental and Sky COmpensation
Info about PISCO, the Polarimeter with Instrumental and Sky COmpensation.
Updated info about the Coudé Spectrograph
Updated info about the Coudé Spectrograph.
Info about ECHELEC
Info about ECHELEC (ECHelle + ELECtronic camera spectrograph)
New APOD: NGC 1055 Close-up
NGC 1055 is today's NASA's Astronomy Picture of the Day
New page dedicated to Prof. Otto Heckmann
Info page about MOSAIC (Phase A)
Info page about MOSAIC (Phase A), the Multi-Object Spectrograph.
New APOD: Dark Molecular Cloud Barnard 68
"Dark Molecular Cloud Barnard 68" is today's NASA's Astronomy Picture of the Day.
New APOD: Ice Ring around Nearby Star Fomalhaut
"Ice Ring around Nearby Star Fomalhaut" is today's NASA's Astronomy Picture of the Day.
Open House Day 2017 at ESO Headquarters
Open House Day 2017 at ESO Headquarters.
Danish Faint Object Spectrograph and Camera
Information about the Danish Faint Object Spectrograph and Camera.
Challenges in Obtaining an Image of a Supermassive Black Hole
Enhanced Resolution Imager and Spectrograph
Coudé Echelle Spectrometer
Swedish-ESO PI receiver for APEX
The Fiber-fed Extended Range Optical Spectrograph
What is Sagittarius A*?
How to build an Earth-sized radio telescope
How do Radio Telescopes work?
New APOD: Wolf-Lundmark-Melotte
Wolf-Lundmark-Melotte is today's NASA Astronomy Picture of the Day.
New webpage for "Exoplanets in Transits and their Atmospheres"
What’s so interesting about the event horizon?
What is a black hole?
What is a black hole? -- 2nd blog post from the "Taking the First Picture of a Black Hole"
New APOD: Galaxy Cluster Gas Creates Hole in Microwave Background
Galaxy Cluster Gas Creates Hole in Microwave Background is today's NASA Astronomy Picture of the Day.
New ESO presentation template available for download
A supplementary ESO presentation template is here available for use. Featuring a wide selection of images, videos, charts and diagrams, this template focuses on key messages about ESO and is more visually appealing than the existing ESO template.
New APOD: NGC 6357: The Lobster Nebula
NGC 6357: The Lobster Nebula is today's NASA's Astronomy Picture of the Day.
New APOD: Milky Way with Airglow Australis
Milky Way with Airglow Australis is today's NASA's Astronomy Picture of the Day.
New APOD: The Matter of the Bullet Cluster
The Matter of the Bullet Cluster is today's NASA's Astronomy Picture of the Day.
ESOcast 90 Light – Orion’s Cloudy Secrets 4K UHD
CAPjounal 21 is online
New APOD: The Lagoon Nebula in High Definition
The Lagoon Nebula in High Definition is NASAs Astronomy Picture of the Day.
Webcams updated!
Art at ESO
4MOST webpage
MAD instrument web page
CAPjournal Issue 20 Now Available
New APOD: Closest Star has Potentially Habitable Planet
Closest Star has Potentially Habitable Planet is NASA's Astronomy Picture of the Day
New APOD: The Orion Nebula in Infrared from HAWK-I
The Orion Nebula in Infrared from HAWK-I is NASA's Astronomy Picture of the Day
New APOD: The Fornax Cluster of Galaxies
The Fornax Cluster of Galaxies is NASA's Astronomy Picture of the Day.