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Introduction to the Proposal and Observation Process

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Downloadable PDF on Gemini Capabilities

The normal Gemini proposal process is comprised of two phases:

Phase I - an application for time is made to National Time Allocation Committees (NTACs) supported by a scientific and technical justification.
Phase II - observations are prepared with the Gemini Observing Tool (OT) software.

Proposal Routes and Observing Modes

Which should I use? A guide for PIs - Gemini offers multiple ways to get observing time. This page helps you choose.
Detailed descriptions of routes and modes - More formal descriptions of each route and mode.

Recent nightlog summaries GN | GS

Observing Condition Constraints

What to expect once your observations are in the queue

Telescope Time Charging

Data Rights and Distribution

Current Instrument Configurations

Instruments on GN | GS
GMOS configuration GN | GS

Announcements for Semester 2020B

Announcements for Semester 2020A

Previous Semesters

Instructions for Visitors

Gemini Observatory Participants

Gemini's mission is to advance our knowledge of the Universe by providing the international Gemini Community with forefront access to the entire sky.

The Gemini Observatory is an international collaboration with two identical 8-meter telescopes. The Frederick C. Gillett Gemini Telescope is located on Mauna Kea, Hawai'i (Gemini North) and the other telescope on Cerro Pachón in central Chile (Gemini South); together the twin telescopes provide full coverage over both hemispheres of the sky. The telescopes incorporate technologies that allow large, relatively thin mirrors, under active control, to collect and focus both visible and infrared radiation from space.

The Gemini Observatory provides the astronomical communities in six participant countries with state-of-the-art astronomical facilities that allocate observing time in proportion to each country's contribution. In addition to financial support, each country also contributes significant scientific and technical resources. The national research agencies that form the Gemini partnership include: the US National Science Foundation (NSF), the Canadian National Research Council (NRC), the Chilean Agencia Nacional de Investigación y Desarrollo (ANID), the Brazilian Ministério da Ciência, Tecnologia e Inovação, the Argentinean Ministerio de Ciencia, Tecnología e Innovación, and the Korea Astronomy and Space Institute (KASI). The observatory is managed by the Association of Universities for Research in Astronomy, Inc. (AURA) under a cooperative agreement with the NSF. The NSF also serves as the executive agency for the international partnership.

Last Modified: February 28, 2020, mbussero

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