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Hubble Space Telescope
WFPC2 Decontamination Dates for 1994 - 1999

Note: time given reflects start time of cooldown; chips are cold and ready for science about 3.5 hours later. Decons start ~10 hrs prior to time listed.

Year Date Time Day of Year M.J.D. Comments
1994 22 Feb 11:37 053 49405.4840 6 hour decon
1994 24 Mar 11:08 083 49435.4639 6 hour decon
1994 24 Apr 00:49 114 49466.0340 6 hour decon; temp set colder (-88° C).
1994 23 May 15:00 143 49495.6250 5.5 hour realtime contingency decon used.
1994 13 Jun 11:02 164 49516.4597 12 hour decon
1994 10 Jul 11:40 191 49543.4861 12 hour decon
1994 28 Jul 07:12 209 49561.3000 12 hour decon
1994 27 Aug 09:46 239 49591.4069 12 hour decon
1994 25 Sep 00:46 268 49620.0319 12 hour decon
1994 21 Oct 00:41 294 49646.0285 12 hour decon
1994 19 Nov 17:29 323 49675.7285 6 hour decon
1994 18 Dec 06:00 352 49704.2500 6 hour decon
Year Date Time Day of Year M.J.D. Comments
1995 13 Jan 16:14 013 49730.6764 6 hour decon
1995 12 Feb 01:54 043 49760.0792 6 hour decon
1995 11 Mar 14:30 070 49787.6042 6 hour decon
1995 8 Apr 10:29 098 49815.4368 6 hour decon
1995 7 May 01:13 127 49844.0507 6 hour decon
1995 2 Jun 18:30 153 49870.7708 6 hour decon
1995 27 Jun 20:00 178 49895.8333 6 hour decon
1995 30 Jul 08:50 211 49928.3681 6 hour decon
1995 27 Aug 05:43 239 49956.2382 6 hour decon
1995 22 Sep 03:40 265 49982.1528 6 hour decon
1995 17 Oct 09:43 290 50007.4053 6 hour decon
1995 15 Nov 08:53 319 50036.3706 6 hour decon
1995 14 Dec 07:03 348 50065.2929 6 hour decon
Year Date Time Day of Year M.J.D. Comments
1996 11 Jan 23:24 011 50093.9750 6 hour decon
1996 11 Feb 00:30 042 50124.0208 6 hour decon
1996 10 Mar 00:21 070 50152.0147 6 hour decon
1996 02 Apr 00:16 093 50175.0111 6 hour decon
1996 04 May 17:09 125 50207.7146 6 hour decon
1996 28 May 06:16 149 50231.2614 6 hour decon
1996 22 Jun 22:15 174 50256.9277 6 hour decon
1996 28 Jul 13:34 210 50292.5653 6 hour decon
1996 23 Aug 10:10 236 50318.4242 6 hour decon
1996 18 Sep 16:25 262 50344.6840 6 hour decon
1996 18 Oct 07:46 292 50374.3236 6 hour decon
1996 12 Nov 09:40 317 50399.4031 6 hour decon
1996 15 Dec 00:00 350 50432.0417 8 hour decon
1996 19 Dec 12:33 354 50436.5229 6 hour decon
Year Date Time Day of Year M.J.D. Comments
1997 07 Jan 23:41 007 50455.9875 6 hour decon
1997 09 Feb 00:00 040 50488.0006 6 hour decon
1997 23 Feb 19:08 054 50502.7978 CCD's to -43° C, TEC on 19:40:46
1997 27 Feb 06:31 058 50506.2721 CCD's to -88° C, TEC on 07:10:48
1997 04 Mar 10:16 063 50511.4278 CCD's to -88° C, TEC on 10:55:46
1997 21 Mar 03:35 080 50528.1494 6 hour decon (shutter closed)
1997 05 Apr 08:50 095 50543.3681 6 hour decon
1997 25 Apr 23:00 115 50563.9583 6 hour decon
1997 15 May 20:18 135 50583.8460 6 hour decon
1997 07 Jun 13:06 158 50606.5461 6 hour decon
1997 24 Jun 11:04 175 50623.4612 6 hour decon
1997 24 Jul 18:42 205 50653.7795 6 hour decon
1997 20 Aug 02:17 232 50680.0952 6 hour decon
1997 17 Sep 17:24 260 50708.7256 6 hour decon
1997 13 Oct 18:00 286 50734.7506 6 hour decon
1997 14 Nov 05:19 318 50766.2217 6 hour decon
1997 10 Dec 09:40 344 50792.4027 6 hour decon
Year Date Time Day of Year M.J.D. Comments
1998 08 Jan 00:03 008 50821.0025 6 hour decon
1998 01 Feb 19:15 032 50845.8021 6 hour decon
1998 06 Mar 09:18 065 50878.3877 6 hour decon
1998 31 Mar 12:54 090 50903.5376 6 hour decon
1998 02 May 12:26 122 50935.5186 6 hour decon
1998 07 Jun 21:01 158 50971.8757 24 hour decon
1998 09 Jun 23:59 160 50973.9993 24 hour decon
1998 12 Jun 08:01 163 50975.3340 24 hour decon
1998 25 Jun 06:59 176 50989.2910 24 hour decon
1998 28 Jun 14:06 179 50992.5881 6 hour decon
1998 22 Jul 18:56 203 51016.7889 6 hour decon
1998 21 Aug 12:23 233 51046.5161 6 hour decon
1998 15 Sep 02:18 258 51071.0963 6 hour decon
1998 14 Oct 02:39 287 51100.1104 6 hour decon
1998 10 Nov 05:01 314 51127.2090 6 hour decon
1998 08 Dec 14:19 342 51155.5969 6 hour decon
1998 31 Dec 03:29 365 51178.1453 6 hour decon
Year Date Time Day of Year M.J.D. Comments
1999 28 Jan 01:06 028 51206.0458 6 hour decon
1999 23 Feb 22:43 054 51232.9471 6 hour decon
1999 25 Mar 20:15 084 51262.8441 6 hour decon
1999 20 Apr 23:47 110 51288.9910 6 hour decon
1999 19 May 08:28 139 51317.3528 6 hour decon
1999 16 Jun 07:07 167 51345.2965 6 hour decon
1999 14 Jul 04:07 195 51373.1715 6 hour decon
1999 10 Aug 04:00 222 51400.1667 6 hour decon
1999 09 Sep 01:27 252 51430.0604 6 hour decon
1999 05 Oct 15:27 278 51456.6437 6 hour decon
1999 03 Nov 06:51 307 51485.2854 6 hour decon
1999 28 Dec 19:43 362 51540.8215 SMOV protect decon (cool to
-55° C)