Palomar Observatory

Keck Observatory

Caltech Optical Observatories

Caltech Astronomy

California Institute of Technology

COO Telescope Time Solicitations

Here you'll find material on proposing for Keck and Palomar observing time through COO

Current Solicitation: Semester 2019B

2019B Proposals Due on 01 April 2019; announcement of results expected on or around 01 June 2019


Closed Solicitations (provided here for reference):

2019A  2018B  2018A  2017B 


2019 SURF Observing Program

Proposal Information Not Yet Available

Every summer we provide opportunities for Caltech SURF students in astronomy and related fields to experience observing at the Palomar 200-inch Hale telescope. See the SURF Observing Page for information on the 2018 SURF Observing Program.


Proposal Eligibility

COO Proposal Eligibility (information on COO proposal eligibility for Caltech Palomar & Keck time)

P200 Large Projects

P200 Large Project Policy

Merging PDF Files

Merging PDF Files

COO Solicitations Index Page / v 28Feb2019
Last updated: 28 February 2019 AFB/RJB