1. Mauna Kea

2. The Gemini Project Who: An international partnership of the United States, United Kingdom, Canada, Chile, Argentina, Brazil and Australia. Canada’s share is 15%.

3. The Gemini Project What: Two high performance, 8-meter aperture optical/infrared telescopes

4. The Gemini Project Where: Mauna Kea, Hawaii, and Cerro Pachon, Chile When: –Gemini North official opening: 1999 –Gemini South official opening 2002

5. The Gemini Project Why: To exploit the best natural observing conditions to undertake a broad range of astronomical research programs within the national communities of the partner countries.

6. Mauna Kea Mauna Kea, Hawaii CFHT Gemini JCMT

7. Gemini dome - day

8. Dome with vent gates open

9. Enclosure Design Features –Adjustable venting for wind flow control. –Daytime air conditioning. –Built by a BC company.

10. 8m Cassegrain Telescope

11. Primary Mirror 8m diameter, 20 cm thick, weighs 22 tons

15. Active Optics Computer Controlled Actuators

16. Telescope Design Features Instrument Support Structure

17. Altair instrument support system

18. Altair: Adaptive Optics on Gemini North

20. Ao animation

21. Altair mirrors

22. Deformable mirror animation

23. M13

24. Gemini N/Hokupa’a-Quirc (U of H/NSF) IR imaging of the Galactic Center region 40”x 40” mosaic; J, H, K composite Non AO corrected AO corrected

25. Science with GMOS 1868 galaxies in the 5.5’x5.5’ field

26. Up to hundreds of simultaneous spectra

27. Perfect spiral The “perfect” spiral (M74) with GMOS

28. Trifid nebula The Trifid Nebula

29. Dome at moonset

30. Dome + startrails

31. Mauna Kea shadow

32. Sunset from Mauna Kea

36. Inside structure + stars

37. Inside dome fisheye view