| Training of Tourism Guides in Astronomy, Level II | Friday, 28 February 2020 — 8 a.m. MST | Friday, 28 February 2020 — 9 a.m. MST | Salamanca |
| Dark Skies @ Cooper Center | Thursday, 27 February 2020 — 6 p.m. MST | Thursday, 27 February 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| TOCC Star Party | Wednesday, 26 February 2020 — 6:30 p.m. MST | Wednesday, 26 February 2020 — 7:30 p.m. MST | Tohono O'odham Community College | Arizona Highway 86, Milepost 125.5 N. Sells, AZ |
| Galaxies at High z: The MUSE Revolution | Wednesday, 26 February 2020 — 1 p.m. MST | Wednesday, 26 February 2020 — 2 p.m. MST | AURA Lecture Hall |
| Training of Tourism Guides in Astronomy, Level II | Saturday, 22 February 2020 — 8 a.m. MST | Saturday, 22 February 2020 — 9 a.m. MST | Salamanca |
| Student Shadow Program | Friday, 21 February 2020 — 5:30 p.m. MST | Friday, 21 February 2020 — 6:30 p.m. MST | Gemini North Hilo Base Facility | 670 N A’ohoku Place Hilo, Hawaii, 96720, USA |
| Training of Tourism Guides in Astronomy, Level II | Friday, 21 February 2020 — 8 a.m. MST | Friday, 21 February 2020 — 9 a.m. MST | Salamanca |
| Stargazing at Expo Choapa 2020 | Thursday, 20 February 2020 — 6 p.m. MST | Thursday, 20 February 2020 — 10 p.m. MST | Salamanca |
| Dark Skies @ Cooper Center | Tuesday, 18 February 2020 — 6 p.m. MST | Tuesday, 18 February 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
 | Globe at Night February 2020 Campaign | Friday, 14 February 2020 — midnight MST | Monday, 24 February 2020 — midnight MST | Online event |
| Dark Skies @ Cooper Center | Thursday, 13 February 2020 — 6 p.m. MST | Thursday, 13 February 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Ha:san class visit | Wednesday, 12 February 2020 — 1:20 p.m. MST | Wednesday, 12 February 2020 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Math Moves You | Monday, 10 February 2020 — 9 a.m. MST | Monday, 10 February 2020 — 10 a.m. MST | University of Arizona Student Union | 1303 E University Blvd, Tucson, AZ 85719 |
| Math Moves You LDP training | Sunday, 09 February 2020 — 1 p.m. MST | Sunday, 09 February 2020 — 2 p.m. MST | Hilton El Conquistador | 10000 N Oracle Rd, Tucson, AZ 85704 |
| Dark Skies @ Cooper Center | Thursday, 06 February 2020 — 6 p.m. MST | Thursday, 06 February 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| JWST Proposal Workshop | Thursday, 06 February 2020 — noon MST | Friday, 07 February 2020 — noon MST | Hilo, Hawai'i |
| Ha:san class visit | Wednesday, 05 February 2020 — 1:20 p.m. MST | Wednesday, 05 February 2020 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Tohono O'odham Education Summit | Monday, 03 February 2020 — 11:30 a.m. MST | Monday, 03 February 2020 — 12:30 p.m. MST | Baboquivari High School | Indian Route 19 Mile Marker 19.5, Sells, AZ 85634 |
| Tohono O'odham Rodeo and Fair | Friday, 31 January 2020 — 10 a.m. MST | Friday, 31 January 2020 — 5 p.m. MST | Sells Rodeo Grounds Sells, AZ |
| Dark Skies @ Cooper Center | Thursday, 30 January 2020 — 6 p.m. MST | Thursday, 30 January 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Feria de Ciencias Explora Coquimbo | Thursday, 30 January 2020 — 10 a.m. MST | Thursday, 30 January 2020 — 11 a.m. MST | El Molle, Vicuna |
| Astronomy in South Africa: SALT, SKA and Growing the Local Community | Wednesday, 29 January 2020 — 8 a.m. MST | Wednesday, 29 January 2020 — 9 a.m. MST | AURA Lecture Hall |
| Ellison Onizuka Day | Saturday, 25 January 2020 — 5:30 p.m. MST | Saturday, 25 January 2020 — 6:30 p.m. MST | University of Hawaiʻi at Hilo |
| Dark Skies @ Cooper Center | Thursday, 23 January 2020 — 6 p.m. MST | Thursday, 23 January 2020 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| TOCC Career Fair | Thursday, 23 January 2020 — 10 a.m. MST | Thursday, 23 January 2020 — 11 a.m. MST | Tohono O'odham Community College | Arizona Highway 86, Milepost 125.5 N. Sells, AZ |
| Cholla High School Star Party | Sunday, 19 January 2020 — 5 p.m. MST | Sunday, 19 January 2020 — 6 p.m. MST | Cholla High School. Starpass Rd. Tucson, AZ |
| Globe at Night January 2020 Campaign | Thursday, 16 January 2020 — midnight MST | Saturday, 25 January 2020 — midnight MST | Online event |
| Ha:san class visit | Wednesday, 08 January 2020 — 1:20 p.m. MST | Wednesday, 08 January 2020 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| AAS Exhibit Hall Student Visit | Tuesday, 07 January 2020 — 9 a.m. MST | Tuesday, 07 January 2020 — 5 p.m. MST | Hawai'i Convention Center | 1801 Kalakaua Ave., Honolulu, HI 96815 |
| AAS 235 | Saturday, 04 January 2020 — 8 a.m. MST | Wednesday, 08 January 2020 — 5 p.m. MST | None |
| Training of Tourism Guides in Astronomy, Level II | Friday, 20 December 2019 — 9 a.m. MST | Friday, 20 December 2019 — 10 a.m. MST | Salamanca |
| Training of Tourism Guides in Astronomy, Level II | Friday, 20 December 2019 — 8 a.m. MST | Friday, 20 December 2019 — 9 a.m. MST | Salamanca |
| Capacitación Uso de Telescopios Solares | Wednesday, 18 December 2019 — 8 a.m. MST | Wednesday, 18 December 2019 — 9 a.m. MST | Escuela Pedro Pablo Muñoz, La Higuera |
| Globe at Night December 2019 Campaign | Wednesday, 18 December 2019 — midnight MST | Friday, 27 December 2019 — midnight MST | Online event |
| Dark Skies @ Cooper Center | Tuesday, 17 December 2019 — 6 p.m. MST | Tuesday, 17 December 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Ha:san class visit | Tuesday, 17 December 2019 — 1:20 p.m. MST | Tuesday, 17 December 2019 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Dark Skies @ Cooper Center | Thursday, 12 December 2019 — 6 p.m. MST | Thursday, 12 December 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| ʻImiloa Holiday Party | Thursday, 12 December 2019 — 6 a.m. MST | Friday, 13 December 2019 — 6 a.m. MST | 600 Imiloa Pl, Hilo, HI 96720, USA |
| StarLab Visit to local Girl Scout Troop | Thursday, 12 December 2019 — 6 a.m. MST | Friday, 13 December 2019 — 6 a.m. MST | Waiākeawaena Elementary School Hilo, Hawai'i |
| Girls Exploring Math and Science | Tuesday, 10 December 2019 — 6 a.m. MST | Wednesday, 11 December 2019 — 6 p.m. MST | Kona, Hawai'i |
| Fiesta de las Estrellas en Escuela Montegrande | Monday, 09 December 2019 — 6 p.m. MST | Monday, 09 December 2019 — 10 p.m. MST | Escuela Montegrande, Paihuano |
 | Project EDEN: The Search for Habitable Planets in the Solar neighborhood | Saturday, 07 December 2019 — 9:30 a.m. MST | Saturday, 07 December 2019 — 10:30 a.m. MST | NOIRLab Headquarters | 950 North Cherry Ave., Tucson, AZ 85719 |
| Dark Skies @ Cooper Center | Thursday, 05 December 2019 — 6 p.m. MST | Thursday, 05 December 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Training of Tourism Guides in Astronomy, Level II | Friday, 29 November 2019 — 8 a.m. MST | Friday, 29 November 2019 — 9 a.m. MST | Salamanca |
| Capacitación Educadoras de Párvulos CGGV | Wednesday, 27 November 2019 — 8 a.m. MST | Wednesday, 27 November 2019 — 9 a.m. MST | NOIRLab Chile–AURA Recinto | Recinto de AURA Avda Juan Cisternas 1500, La Serena, Chile |
| Dark Skies @ Cooper Center | Tuesday, 26 November 2019 — 6 p.m. MST | Tuesday, 26 November 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Dark Skies @ Cooper Center | Monday, 25 November 2019 — 6 p.m. MST | Monday, 25 November 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Ha:san Tas | Thursday, 21 November 2019 — 11:20 p.m. MST | Friday, 22 November 2019 — 12:20 a.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Dark Skies @ Cooper Center | Thursday, 21 November 2019 — 6 p.m. MST | Thursday, 21 November 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Ha:san class visit | Wednesday, 20 November 2019 — 1:20 p.m. MST | Wednesday, 20 November 2019 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Science Night | Tuesday, 19 November 2019 — 5:30 p.m. MST | Tuesday, 19 November 2019 — 6:30 p.m. MST | Helen Keeling Elementary | 2837 N Los Altos Ave Tucson, AZ 85705 |
| Taller de Uso de Telescopios en Paihuano | Tuesday, 19 November 2019 — 8 a.m. MST | Tuesday, 19 November 2019 — 9 a.m. MST | Paihuano |
| Globe at Night November 2019 Campaign | Monday, 18 November 2019 — midnight MST | Wednesday, 27 November 2019 — midnight MST | Online event |
| Dark Skies @ Cooper Center | Saturday, 16 November 2019 — 6 p.m. MST | Saturday, 16 November 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Dark Skies @ Cooper Center | Thursday, 14 November 2019 — 6 p.m. MST | Thursday, 14 November 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Native American Day | Thursday, 14 November 2019 — 9 a.m. MST | Thursday, 14 November 2019 — 10 a.m. MST | Baboquivrai Elementary School Sells, AZ |
| Hawai'i Island High School Career Expo | Thursday, 14 November 2019 — 6 a.m. MST | Friday, 15 November 2019 — 6 a.m. MST | Hilo, Hawai'i |
| The environment of UV-luminous star-forming galaxies: clues to understanding the high-redshift universe | Tuesday, 12 November 2019 — noon MST | Tuesday, 12 November 2019 — noon MST | AURA Lecture Hall |
| Mercury Transit at Subaru Telescope | Monday, 11 November 2019 — 6 a.m. MST | Tuesday, 12 November 2019 — 6 a.m. MST | 650 N Aohoku Pl, Hilo, HI 96720 |
| AstroDay West | Monday, 11 November 2019 — 6 a.m. MST | Tuesday, 12 November 2019 — 6 a.m. MST | Kona, Hawai'i |
| Mercury Transit | Sunday, 10 November 2019 — 4 p.m. MST | Sunday, 10 November 2019 — 5 p.m. MST | Kitt Peak National Observatory | Kitt Peak National Observatory, Tucson, AZ 85634, USA |
| Gemstone Adaptive Optics: Jewelry to be Deployed on Next Generation Systems | Saturday, 09 November 2019 — 8 a.m. MST | Saturday, 09 November 2019 — 9 a.m. MST | AURA Lecture Hall |
| Toward 2% Photometric Redshift Precision with Kb, Kr Filters | Thursday, 07 November 2019 — 8 a.m. MST | Thursday, 07 November 2019 — 9 a.m. MST | AURA Lecture Hall |
| Career Fair | Monday, 04 November 2019 — 6 a.m. MST | Tuesday, 05 November 2019 — 6 a.m. MST | Hilo, Hawai'i |
 | Gravitational Lensing by Galaxies | Saturday, 02 November 2019 — 9:30 a.m. MST | Saturday, 02 November 2019 — 10:30 a.m. MST | NOIRLab Headquarters | 950 North Cherry Ave., Tucson, AZ 85719 |
| KTA Haunted House | Thursday, 31 October 2019 — 6 a.m. MST | Friday, 01 November 2019 — 6 p.m. MST | 50 E Puainako St, Hilo, HI 96720 |
| StarLab Portable Planetarium Teacher Training | Wednesday, 30 October 2019 — 10 a.m. MST | Wednesday, 30 October 2019 — 11 a.m. MST | University of Hawaiʻi at Hilo |
| Hawaiʻi Explorations Expo (HEʻE) | Sunday, 27 October 2019 — 6 a.m. MST | Monday, 28 October 2019 — 6 p.m. MST | Hilo, Hawai'i |
| Solar System Walk | Saturday, 26 October 2019 — 6 a.m. MST | Sunday, 27 October 2019 — 6:30 p.m. MST | Waimea, Hawai'i |
| Night at the Museum | Friday, 25 October 2019 — 6 a.m. MST | Saturday, 26 October 2019 — 6:30 p.m. MST | 600 Imiloa Pl, Hilo, HI 96720, USA |
| Dark Skies @ Cooper Center | Thursday, 24 October 2019 — 6 p.m. MST | Thursday, 24 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Dark Skies @ Cooper Center | Wednesday, 23 October 2019 — 6 p.m. MST | Wednesday, 23 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Dark Skies @ Cooper Center | Tuesday, 22 October 2019 — 6 p.m. MST | Tuesday, 22 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| White Dwarfs as probes of fundamental physics and tracers of planetary, stellar & galactic evolution | Monday, 21 October 2019 — noon MST | Friday, 25 October 2019 — noon MST | Hilo, Hawai'i |
| Globe at Night October 2019 Campaign | Saturday, 19 October 2019 — midnight MST | Monday, 28 October 2019 — midnight MST | Online event |
| Project ASTRO Workshop | Friday, 18 October 2019 — 8:30 a.m. MST | Friday, 18 October 2019 — 9:30 a.m. MST | NOIRLab Headquarters | 950 North Cherry Ave., Tucson, AZ 85719 |
| Taller uso de telescopio Colegio Joaquin Vicuña | Thursday, 17 October 2019 — 10 a.m. MST | Thursday, 17 October 2019 — 11 a.m. MST | Colegio Joaquin Vicuña, Vicuña |
| Study of Extragalactic Supernova Remnants | Thursday, 17 October 2019 — 9 a.m. MST | Thursday, 17 October 2019 — 10 a.m. MST | AURA Lecture Hall |
| Dark Skies @ Cooper Center | Wednesday, 16 October 2019 — 6 p.m. MST | Wednesday, 16 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Ha:san class visit | Wednesday, 16 October 2019 — 1:20 p.m. MST | Wednesday, 16 October 2019 — 2:20 p.m. MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Dark Skies @ Cooper Center | Tuesday, 15 October 2019 — 6 p.m. MST | Tuesday, 15 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Charla Colegio Eusebio Lillo - Contaminación lumínica | Tuesday, 15 October 2019 — 10 a.m. MST | Tuesday, 15 October 2019 — 11 a.m. MST | Colegio Eusebio Lillo, La Serena |
| Planetario Móvil en Viaje al Universo | Monday, 14 October 2019 — 8 a.m. MST | Friday, 18 October 2019 — 5 p.m. MST | La Serena and Coquimbo |
| Telescopios Solares en Fiesta de la Ciencia 2019, actividad de cierre de la Semana Explora | Saturday, 12 October 2019 — 11 a.m. MST | Saturday, 12 October 2019 — noon MST | Coquimbo |
| Charla en Feria Cientifica Colegio Rakiduan, Coquimbo light pollution y GAN2019 | Friday, 11 October 2019 — 11 a.m. MST | Friday, 11 October 2019 — noon MST | Colegio Rakiduan, Coquimbo |
| Planetario Movil VIII Encuentro con las Ciencias UCN | Thursday, 10 October 2019 — 11 a.m. MST | Thursday, 10 October 2019 — noon MST | Universidad Católica del Norte, Coquimbo |
| Ha:san Unity & Leadership Camp 2019 | Wednesday, 09 October 2019 — 11 a.m. MST | Wednesday, 09 October 2019 — noon MST | Ha:san Preparatory & Leadership School | 1333 E 10th St. Tucson, AZ 85719 |
| Charla Experimento de Eddington en el VIII encuentro de las ciencias | Tuesday, 08 October 2019 — 11 a.m. MST | Tuesday, 08 October 2019 — noon MST | Universidad Católica del Norte, Coquimbo |
| Dark Skies @ Cooper Center | Monday, 07 October 2019 — 6 p.m. MST | Monday, 07 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
 | Black Holes and Einstein's Gravity | Saturday, 05 October 2019 — 9:30 a.m. MST | Saturday, 05 October 2019 — 10:30 a.m. MST | NOIRLab Headquarters | 950 North Cherry Ave., Tucson, AZ 85719 |
| Planetario Móvil Escuela Escuela de Montegrande | Friday, 04 October 2019 — 9:30 a.m. MST | Friday, 04 October 2019 — 10:30 a.m. MST | Escuela de Montegrande, Paihuano |
| Dark Skies @ Cooper Center | Wednesday, 02 October 2019 — 6 p.m. MST | Wednesday, 02 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| South Pole Telescope Galaxy Cluster Observations | Wednesday, 02 October 2019 — 10 a.m. MST | Wednesday, 02 October 2019 — 11 a.m. MST | AURA Lecture Hall |
| Capacitación Educadoras de Párvulos CGGV | Wednesday, 02 October 2019 — 8 a.m. MST | Wednesday, 02 October 2019 — 9 a.m. MST | NOIRLab Chile–AURA Recinto | Recinto de AURA Avda Juan Cisternas 1500, La Serena, Chile |
| Dark Skies @ Cooper Center | Tuesday, 01 October 2019 — 6 p.m. MST | Tuesday, 01 October 2019 — 7 p.m. MST | Cooper Center for Environmental Learning | 5403 W Trails End Rd, Tucson, AZ 85745 |
| Talk at Seminario Astroturismo Vicuña | Tuesday, 01 October 2019 — 10 a.m. MST | Tuesday, 01 October 2019 — 11 a.m. MST | Vicuña |
| TOM Toolkit Workshop: Managing Follow-up Observations in the Era of ZTF and LSST | Monday, 30 September 2019 — 7 p.m. MST | Friday, 04 October 2019 — 7 p.m. MST | Pasadena, CA |
| Observations of Lyman Continuum Escape: Challenges and Future Prospects | Wednesday, 25 September 2019 — 9 a.m. MST | Wednesday, 25 September 2019 — 10 a.m. MST | AURA Lecture Hall |
| Globe at Night September 2019 Campaign | Friday, 20 September 2019 — midnight MST | Sunday, 29 September 2019 — midnight MST | Online event |
| Almost a Decade of Speckle Observing at Gemini | Friday, 13 September 2019 — 2 p.m. MST | Friday, 13 September 2019 — 3 p.m. MST | AURA Lecture Hall |