Join Our Archive IIA Online Exhibition!
Explore online the aesthetic archival records revolving around the historical events, inventions, and visits of renowned personalities at IIA.
Click here to visit IIA Online Exhibition

Explore online the aesthetic archival records revolving around the historical events, inventions, and visits of renowned personalities at IIA.
Click here to visit IIA Online Exhibition

Imagine stepping into a gallery where centuries of astronomical discovery and heritage come to life- not by walking through the grand halls of a museum, but through the screen of your device, from the comfort of your home. This immersive experience is exactly what the Indian Institute of Astrophysics (IIA) offers through its Online Archives…
IIA celebrated the golden jubilee of The 40-inch telescope at IIA Main Campus and Vainu Bappu Observatory (VBO), Kavalur. This meeting highlighted the facility’s accomplishments over the last 50 years and honoured our esteemed guests involved in the 40-inch telescope installation. IIA library actively participated and showcased the resources during the event. The event commences…
On 21 February 2026, the Indian Institute of Astrophysics (IIA) celebrated National Science Day through its annual Open Day at the Koramangala campus in Bengaluru. The event, held from 9:30 AM to 5:30 PM, received an overwhelming response from the public, with more than 8,000 visitors attending throughout the day. Students, teachers, families, and science…
The Indian Institute of Astrophysics is commemorating the 115th anniversary of the pioneering discovery of the Evershed Effect in 1909 at the Kodaikanal Observatory. This milestone in solar physics, rooted in India, highlights the institute’s rich history spanning over 200 years, during which it has served as a hub for theoretical and observational studies of…
The importance of periodicity in sunspot appearance was well recognized by the mid-19th century. It marked a significant milestone in our understanding of solar activity and its broader implications for the Earth’s climate and space weather. By observing and documenting the cyclical nature of sunspots, astronomers began to unlock the patterns of solar behaviour, laying…
From Hidden Collection… The recent Transit of Venus that took place on June 6, 2012 drew lot of attention and interest among the public and scientific community. Historically this event is connected to Madras Observatory, as elaborate arrangements were made in the Observatory to observe the Transit of Venus that occurred in 1874 and 1882….