US National Gemini Office
Users Support Portal
The US National Gemini Office (US NGO) main goal is to support US Gemini Users in the phases of the astronomical observing cycle, from proposal preparation to data analysis. This page is the main portal to all information for the different phases, connecting to specific Gemini pages, where users can find definitive content on instruments and modes. This page also contains data reduction and analysis tools for the entire Gemini community. In addition to the US NGO, Users can also contact the members of the Users' Committee for Gemini Observatory (UCG) for their partner country, listed on the Gemini Observatory governance page.
Summary of Science Observations Last Week
Summary of US Programs Observed Last Night
News
GHOST Data Reduction: the US NGO now offers reduced spectra to GHOST programs from all Gemini partner countries! Read more about it here.
US NGO in the NOIRLab Era: Read our recently published article on JATIS/SPIE!
GMOS Cookbook v2.0: Click here. Read the article published in the NOIRLab Mirror.
2023 Gemini Science Observations: Read our summary!
Gemini Data Analysis
Click here for information and links on data download, data format, software installation, and additional resources.
Gemini Science Instruments
Get curated resources on data reduction for your favorite instrument:
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Data Reduction Tutorials - GitHub Repositories
Our tutorials are based on the examples provided by the Gemini/DRAGONS team. The links below will take you to the repositories with examples and extended help files:
Proposal Preparation Sites
- Current NOIRLab Call for Proposals
- Gemini Fast Turnaround (monthly deadline)
- Integration Time Calculator
- Gemini Helpdesk
- Guide for Planning GMOS Observations
- Poor Weather ("Band 4") Proposals (rolling deadline)
Post Data Acquisition Sites
- GMOS Cookbook (last update: 03/01/2022)
- US NGO workshops and splinter meetings at the AAS
- Gemini Observatory Archive (GOA)
- Gemini Publications
- Science and Evolution of Gemini Observatory (San Francisco, July 22-26, 2018)
- Synthesize the telluric spectrum!
About Us
The US NGO is a group within the Community Science and Data Center (CSDC) at the NSF NOIRLab. For questions, comments, and/or feedback, you can send us an email at usngo@noirlab.edu or a direct message on Twitter or BlueSky. For further information about the US NGO members and collaborators, please visit our people page.
Updated on March 17, 2025, 6:52 am