Date |
Data Available? |
Comments |
Sep 1979 - Nov 1981 | yes | SMM Support |
Dec 1981 - Feb 1984 | no | System upgrade |
26 Mar 1984 - 27 Apr 1986 | yes | |
28 Apr 1986 - 8 Apr 1987 | no | System repair/upgrade |
9 Apr 1987- 8 Apr 1988 | yes | New image stabilizer and CCD |
9 Apr 1988 - 9 Sep 1989 | no | System upgrade |
9 Sep 1989 - 8 Oct 1993 | yes | Coaligned H-alpha |
9 Oct 1993 - 3 Mar 1994 | no | |
4 Mar 1994 - 2 May 1994 | yes | |
3 May 1994 - 19 Aug 1996 | no | Filter repair |
20 Aug 1996 - 3 Sep 1998 | yes | |
4 Sep 1998 - 25 Feb 1999 | no | Catastrophic CCD failure |
26 Feb 1999 - 22 Jun 1999 | yes | |
23 Jun 1999 - 20 Apr 2000 | no | Filter problems |
20 Apr 2000 - 20 Jul 2000 | yes | |
21 Jul 2000 - 14 Sep 2000 | no | Replace CCD camera and data system |
15 Sep 2000 - 12 Mar 2003 | yes | NEW system |
13 Mar 2003 - 22 Apr 2003 | no | Replace CCD sensor |
23 Apr 2003 - present | yes | Working |
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