The US NGO (@NOIRLabScience) supports US @GeminiObs users in the stages of the astronomical observing cycle, from proposal to data reduction.

Tucson, AZ
Joined September 2020
Have you visited the @usngo portal recently? It contains relevant information about instrumentation, data reduction, cool plots, and important news/updates for the entire @GeminiObs community! @NOIRLabAstro @NOIRLabScience @AURADC @AURAinChile noirlab.edu/science/programs…
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Thanks to the efforts of our Engineering (and other) teams, Gemini South is going back to the sky tonight (Sep 15th) after the largest and most impactful winter storm to hit Chile since 1954! Let's hope for great weather and a safe return to operations! @NOIRLabScience
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The 2027A Call for Proposals for @GeminiObs is live! The deadline for the US community is at September 30th, 23:59 MST! Do not miss it! More information at gemini.edu/observing/phase-i…! @NOIRLabAstro @NOIRLabScience @USNGO
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Weather Update: @Geminiobs North has recovered from the passage of Hurricane Lala and is back in Operations! Work Continuous to restore operations on the South. Our crew arrived at the summit works tirelesly to return us to operations after the largest Storm in Chile since 1954!
🤖 Made with AI
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The Gemini Program Platform (GPP) is Gemini’s next core observatory control system, the platform will replace its primary user interface applications: the Phase I Tool (PIT) and the Phase II Observing Tool (OT). See the thread!
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Users are encouraged to test the pre-release version of the GPP Web application at explore.gemini.edu, and submit feedback through the app (upper-right menu). @GeminiObs @NOIRLabScience #astronomy
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This overhaul ensures Gemini continues to support modern observing modes, which depend on rapid-response observations, dynamic scheduling, cloud-based infrastructure, remote collaboration, and automated workflows.
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Near-infrared Spectroscopy of the Y0 WISEP J173835.52+273258.9 and the Y1 WISE J035000.32-565830.2: The Importance of Non-equilibrium Chemistry, by S. K. Leggett et al. 2016 ui.adsabs.harvard.edu/abs/20…
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Credit: International Gemini Observatory/CTIO/NOIRLab/DOE/NSF/AURA Image processing: J. Miller (International Gemini Observatory/NSF NOIRLab), M. Zamani & D. de Martin (NSF NOIRLab)
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This week’s image is of the stellar field around GRB 250702B’s host galaxy! Peer into the dazzling ocean of stars 💫, captured in stunning detail by Gemini’s GMOS-N. Check out the 🧵 for another paper! #Astronomy 📸 in thread
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A severe storm has impacted Chile. Due to its, Gemini South, along with other observatories, will be shut down for an unknown period of time. Official updates can be found here: gemini.edu/news/science-oper… We will keep you posted! @GeminiObs @NOIRLabScience #astronomy
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The 2026A GHOST RV Standards Observations wrapped up! Go to our WebSite (noirlab.edu/science/programs…) and find a list of observations, the calculated radial velocities, and all the reduced spectra!@NOIRLabScience #astronomy
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Gemini PIs: The deadline for Phase 2 is quickly approaching! Please remember to finilize setting up your program and send it to your CS for review by July 17th! @GeminiObs @NOIRLabScience #astronomy
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Gemini South users: The engineering shutdown, scheduled to start on 20 July, has been moved up to 13 July due to incoming weather at Cerro Pachón. The shutdown is planned to last for 3 weeks. Stay tuned for updates! @GeminiObs @NOIRLabScience #astronomy
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This week’s image is of IC 5332! Captured by Gemini South, this breathtaking look at galaxy IC 5332 reveals a cosmic nursery of star formation, where sweeping spiral arms and glittering stars create a spectacular sight. Check out the 🧵 for another paper! 📸 Credit in thread
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Gemini Spectra of Star Clusters in the Spiral Galaxy M101, by L. A. Simanton-Coogan et al. 2017 ui.adsabs.harvard.edu/abs/20…
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Credit: International Gemini Observatory
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Here is a summary of observations from both Gemini telescopes in June 2026, divided by instrument and color-coded by location. @GeminiObs Zorro 🦊 took the most observations again last month, totaling over 600! @NOIRLabScience @NOIRLabAstro @NOIRLabAstroES
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This week’s image is of IC 210922A! This striking composite image captures the gravitationally lensed galaxy linked to the high-energy neutrino event IC 210922A, which was observed with Gemini’s GMOS-N and ALMA. Check out the 🧵 for another paper! #Astronomy 📸 Credit in thread
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Spatial Variation in Strong Line Ratios and Physical Conditions in Two Strongly Lensed Galaxies at z 1.4, by M. K. Florian et al. 2021 ui.adsabs.harvard.edu/abs/20…
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Credit: International Gemini Observatory/NOIRLab/NSF/AURA/ALMA (ESO/NAOJ/NRAO) Image Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin & M. Zamani (NSF NOIRLab) Acknowledgment: PI: Yuji Urata (MITOS Science Co., LTD.)
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