§ 01Facilities

Our telescopes, right now

Day and night across the sites the group uses, computed in your browser from the position of the Sun and redrawn every minute. A site counts as dark when the Sun is more than 12° below its horizon.

DayTwilightNight (Sun below −18°)Dark enough to observeDaylight or twilightSun overhead
Observatories and the Sun's altitude at each, right now
SitePositionSky nowSunNext
UC Santa Barbara34.41° N 119.85° W
Las Cumbres Observatory HQ34.43° N 119.86° W
Keck Observatory19.83° N 155.47° W
Subaru Telescope (MEC)19.82° N 155.48° W
Palomar Observatory (DARKNESS)33.36° N 116.86° W
Lick Observatory37.34° N 121.64° W
LCO Haleakalā20.71° N 156.26° W
LCO McDonald30.68° N 104.02° W
LCO Cerro Tololo30.17° S 70.81° W
LCO Sutherland (SAAO)32.38° S 20.81° E
LCO Siding Spring31.27° S 149.07° E
LCO Teide28.30° N 16.51° W

§ 02Sites

Where the group observes and meets

The telescopes the group observes with, the robotic telescope network next door, and the institute for theoretical physics on campus.

W. M. Keck Observatory
Photo: W. M. Keck Observatory. Sean Goebel

Maunakea, Hawai‘i

W. M. Keck Observatory

Two 10 m telescopes with adaptive optics, operated by a consortium led by the University of California and Caltech. UCSB astronomers compete for UC time.

Keck Observatory
19.83° N 155.47° W
Las Cumbres Observatory
Photo: Las Cumbres Observatory 1 m telescopes at Cerro Tololo. CTIO/NOIRLab/NSF/AURA/T. Slovinský, CC BY 4.0

Goleta, CA and worldwide

Las Cumbres Observatory

A fully robotic network of telescopes around the globe for time domain astronomy and education, headquartered a few miles from campus.

Las Cumbres Observatory HQ
34.43° N 119.86° W
LCO Haleakalā
20.71° N 156.26° W
LCO McDonald
30.68° N 104.02° W
LCO Cerro Tololo
30.17° S 70.81° W
LCO Sutherland (SAAO)
32.38° S 20.81° E
LCO Siding Spring
31.27° S 149.07° E
LCO Teide
28.30° N 16.51° W
Kavli Institute for Theoretical Physics
Photo: credit to be confirmed

UCSB campus

Kavli Institute for Theoretical Physics

Months-long programs that bring theorists from around the world to campus, including regular astrophysics programs open to the group.

UC Santa Barbara
34.41° N 119.85° W
Lick Observatory
Photo: Lick Observatory, Mt. Hamilton. Michael from San Jose, via Wikimedia Commons, CC BY 2.0

Mt. Hamilton, CA

Lick Observatory

A UC observatory for bright targets, student training and instrument testing.

Lick Observatory
37.34° N 121.64° W
Palomar and Subaru
Photo: Mazin group at Palomar Observatory

California and Maunakea

Palomar and Subaru

Host telescopes for the MKID cameras built at UCSB, including DARKNESS at Palomar and MEC behind SCExAO at Subaru.

Palomar Observatory (DARKNESS)
33.36° N 116.86° W
Subaru Telescope (MEC)
19.82° N 155.48° W