Las Campanas Observations: Autumnal Equinox 2017

On the date that the northern and southern hemispheres of our Earth are equally illuminated by the Sun, we celebrate the successful commissioning of the APOGEE-2S spectrograph on the Irénée du Pont 2.5m telescope at LCO. Left: Spectrograph housed in the recently finished clean-room environment...

Letter from the Director: March 2017

APOGEE plug plates at the du Pont telescope. Photo by Francesco di Mille. Below: Edwin Hubble and James Jeans at the 100-inch Hooker telescope, circa 1922, courtesy Carnegie Observatories Photographic Collection at the Huntington Library. DuPont telescope, photo by Charlie Hull. Dear Friends of...

15th Annual Open House a Success!

On Sunday, October 16th we held the 15th annual open house at our Santa Barbara St. campus. With the help of over 50 volunteers from Carnegie, GMTO, Caltech and JPL, we hosted a variety of displays and family-friendly activities and welcomed more than 600 guests from 2pm to 5pm that afternoon. This...

Las Campanas Observations: Summer Solstice 2016

A wonderful spring changing to summer. Our desire for clear skies sent out with the last newsletter was rewarded with a spring season that suffered weather losses totalling only 7 nights out of the past 91. Days have also been clear and beautiful as shown below. As spring turns to summer in the...

Astronomy Battle Royale: Anthony Piro wins Scialog award

Anthony Piro, Hale Scholar in Theoretical Astrophysics at the Carnegie Observatories, won one of seven 2016 Scialog awards after three days of discussion, collaboration, and competition at a unique conference in Tucson, Arizona. The award was for a collaborative project that includes numerical...

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