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Observing Proposals

2025A Call for Proposals

In the 2025A semester, we are accepting proposals for the Open Access Program, as well as for LCO's share of network hours.

Proposal Application

Submit a proposal for Director’s discretionary time (2024B) or for the Open Access Program (2025A)

Anonymization Policy

Keeping the proposal review process fair.

Open Access Program

An opportunity for astronomers everywhere.

Extended Science Family

Former LCO grad students and posdocs, as well as LCO committee members, are eligible to submit proposals.

Science Collaboration

Institutions with guaranteed observing time on LCO or who are eligible to apply for LCO's share.