TNO Open House 2025

A Rare Opportunity – Only Twice a Year! Join us for an extraordinary experience with cutting-edge telescope technology, including the 2.4-meter diameter telescope, the largest and most advanced in Southeast Asia. Observe planets through the 1-meter diameter telescope at the Thai National Observatory located within Doi Inthanon National Park, Chiang Mai. Take this unique chance to visit the astronomers' workspace and witness their efforts in unraveling the mysteries of the universe.

NARIT AstroFest 2025

The biggest astronomy festival on National Children's Day, meet on Saturday, January 11, 2025, from 9:00 a.m. to 10:00 p.m. at NARIT's 5 astronomy learning centers: Chiang Mai, Nakhon Ratchasima, Khon Kaen, Chachoengsao, and Songkhla.

Chiang Mai, Nakhon Ratchasima, Khon Kaen, Chachoengsao, Songkhla.

Starry Night over Bangkok 2024

NARIT, in collaboration with the Bangkok Metropolitan Administration and partners, is set to transform Bangkok into a city of stars once again with the event “Stargazing in the Heart of Bangkok: Starry Night over Bangkok 2024.” Taking place on the night when Jupiter appears closest to Earth this year, attendees will marvel at the beauty of the stars through over 100 telescopes and enjoy a variety of astronomy activities. The event will be held at the central amphitheater of Benjakitti Park, Bangkok, on Saturday, December 7, 2024, from 5:00 PM to 10:00 PM. Admission is free and open to all.

Bangkok