1. COR1 Science Overview Joseph M Davila Goddard Space Flight Center

2. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 2 COR1: Internally Occulted APERTURE DOOR OBJECTIVE LENS APERTURE SELECTOR BAFFLES FIELD LENS, OCCULTER, LIGHT TRAP BAFFLES LYOT STOP, DOUBLET-1, LYOT SPOT, FILTER POLARIZER DOUBLET-2 SHUTTER FOCAL PLANE MASK FOCAL PLANE ASSEMBLY FOCAL PLANE RADIATOR

3. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 3 First COR1 CME

4. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 4 First CME Height-time Plot LASCO/C2 COR1 = 200 km/s a = 5.9 m/s/s 2006/12/30 Gopalswamy and Yashiro

5. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 5

6. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 6

7. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 7

8. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 8 CME Event 1/25/07

9. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 9 1/25/07 Event: EIT Images

10. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 10 1/25/07 Event: C2 and C3

11. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 11 d d Scenario 235,000 km COR1 Loop 144,000 km EIT Loop COR1 Occulter171304195285

12. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 12 Background Stars Stars passing through FOV provide an opportunity to verify alignment Four stars observed during last week of January Play Movie  Capricorni 5.23 m

13. 5 March 20075 th SECCHI Consortium Meeting Orsay, France 13 Visible Background Stars 25 Jan 2007 28 Jan 2007 Ecliptic Capricorn COR1 FOV 22 Jan 2007 5.10 m 5.99 m 5.25 m 5.28 m