The activities of IRSF, a 1.4m infrared telescope operated under collaboration between Japan and South Africa, are presented brie y. The dedicated instrument, SIRIUS, which sits at the Cassegrain, has produced unique and prosperous science for 14 years. My talk involves; o concept of construction and operation, o publications and education, o the successive upgrading of the instrument, and o future plans.

ABSTRACT
1. INTRODUCTION
2. LOCATION
3. HISTORY
4. FACILITY
5. ACHIEVEMENTS
6. COLLABORATION
7. FUTURE
8. CONCLUSIONS

• Shuji Sato(Nagoya University)
• Takahiro Nagayama(Nagoya University)
• IRSF team(Nagoya University)