Satellites

GOES8 channel 4, 10.7 micron, updated every 3h.

The image on the right is a zoom of that shown below.

The dots mark the latitude/longitude with a 2 degrees spacing.

From ESO's Satellite IR image

GOES EAST Images, NOAA Animation

(True colors in daytime, IR at night)

(IR and water vapour)

More Satellite Pictures:

Wetter Online

Nearby observatories

Las Campanas: Environmental information
- LCO overview
- La Campanas Weather station. Look in the menu for the seeing monitor.
- CASCA, all sky camera.
Cerro Pachon
- Gemini main weather page
La Silla
- Main MeteoMonitor
- 2.2m MeteoMonitor
- LaSCam

FORECAST

ESO

Based on weather forecast by ESO's Astroclimatology team, lead by Marc Sarazin (ESO's weather and observing condition studies specialist), on whose page one can find lots of information.

Forecast(0-30h) for La Silla, Paranal and Chajnantor.
Long range outlook (2-8 days) for La Silla, Paranal and Chajnantor.
Weather watch: summary
Pressure, Temperature and Wind Forecasts: Numeric values and evolution plots
Precipitable Water Vapour and Cirrus Cloud Cover: Launch the Java forecast applet (from ESO weather forecast's Water Vapor and Cirrus Page).

Others

CalSky. Log in as lasilla, with the standard optimistic password.

PAST INFO

ESO Ambiant Conditions Database: This graphic interface lets you query the weather database for La Silla and Paranal since Aug.1998
LOSSAM: Line of Sight Sky Absorption Monitor, i.e. "was the night photometric". Updated daily.
SCIDAR: Scintillometer experiment at La Silla.

Ephemerides

The Daily Almanac (by Brian Casey , using Skycalc by by John Thorstensen) gives all the info for a given night.
For specific objects: Object Seasonal Observability, and the Hourly Airmass Table (by Brian Casey, using Skycalc by by John Thorstensen)
Airmass plots for your objects
More tools and links at ESO's User Support Services and Tools page

Updates:
2019-06-28: oh fixed and cleanded links
2018-05-08: oh fixed and cleanded links
2012-05-25: oh fixed and updated links
2002-09-15: oh fixed and updated links
2001-07-17: fixed and changed links
1999-09-96: added many links to ESO meteo
1999-06-21: replaced broken links
1998-04-00: Creation
Comments to jmiranda@eso.org

Page created by Jorge Miranda

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