| 1929 Oct. |
Kwasan Observatory was established |
| 1941 Jul. |
The Ikomayama Solar Observatory was established. |
| 1958 Apr. |
The Kwasan and Ikomayama Observatories were united under the faculty of Science, Kyoto University.
|
| 1961 |
"Taiyoh-kan" and 70cm Coelostat were built at Kwasan Obs.
|
| 1968 Nov. |
Hida Observatory was established. The 60cm reflector telescope was transported from Kwasan Observatory. Celebration of the opening.
|
| 1972 Mar. |
Ikomayama observatory closed. |
| 1972 Aor |
The 65cm refractor telescope, dome and building were completed. |
| 1979 May. |
The Domeless Solar Telescope was completed. |
| 1979 Mar. |
The "New building" was completed at Kwasan Observatory. |
| 1992 Mar. |
The Flare Monitoring Telescope was established at Hida Observatory.
|
| 1994 Mar. |
The housing of the Flare Telescope was completed at Kwasan Observatory
|
| 1996 Mar. |
The digital network was installed at Kwasan Observatory. |
| 1997 Mar. |
The high-resolutional vector magnetograph was installed at the DST. |
| |
A spectrograph was installed at the focal plane of the 60cm reflector telescope at Hida observatory.
|
| 1998 Oct. |
Internet facilities were established at Hida observatory using optical fiber cables
|
| |
A high performance data connection was enabled (384 Kbps) |
| 1999 Mar. |
A new solar H alpha imaging system was installed in the 18cm refractor telescope at Kwasan Observatory.
|
| 1999 Nov. |
The internet connection at Kwasan observatory was upgraded from 128 Kbps to 1.5 Mbps
|
| 2000 Sep. |
The internet connection at Hida observatory was also upgraded to 1.5 Mbps.
|
| 2003 Mar. |
A new multi solar observational system was completed at Hida Observatory
|
| 2003 Oct. |
The Solar Magnetic Activity Research Telescope was completed at Hida observatory.
|
| 2003 Nov. |
The DST tower cooling system was renewed.
|
| 2006 Mar. |
The internet connection at Hida observatory was upgraded
to 100 Mbps.
|
| 2007 May |
3-D visualization system was installed in "Taiyoh-kan" at Kwasan Obs. |
| 2007 Oct. |
4-D theater room was completed in "Taiyoh-kan" at Kwasan Obs. |
