COMPLETE ANNEAL HISTORY

WFC3 Anneal Dates History

Download the complete anneal history: CSV | TXT

2022

MJD	Day of year and time	Day-Month	Activity
59597.521829	2022.018 12:31:26	18-Jan	anneal
59629.412882	2022.050 09:54:33	19-Feb	anneal
59654.207812	2022.075 04:59:15	16-Mar	anneal
59681.242859	2022.102 05:49:43	12-Apr	anneal

2021

MJD	Day of year and time	Day-Month	Activity
59237.491562	2021.023 11:47:51	23-Jan	anneal
59261.085174	2021.047 02:02:39	16-Feb	anneal
59298.296586	2021.084 07:07:05	25-Mar	anneal
59326.683773	2021.112 16:24:38	22-Apr	anneal
59352.706655	2021.138 16:57:35	18-May	anneal
59412.927222	2021.198 22:15:12	17-Jul	anneal
59437.843333	2021.223 20:14:24	11-Aug	anneal
59465.918900	2021.251 22:03:13	8-Sep	anneal
59492.505984	2021.278 12:08:37	5-Oct	anneal
59540.927338	2021.326 22:15:22	22-Nov	anneal
59569.027407	2021.355 00:39:28	21-Dec	anneal

2020

MJD	Day of year and time	Day-Month	Activity
58868.648380	2020.020 15:33:40	20-Jan	anneal
58898.90377314815	2020.050 21:41:26	19-Feb	anneal
58927.66255787037	2020.079 15:54:05	19-Mar	anneal
58955.644248	2020.107 15:27:43	16-Apr	anneal
58985.138958	2020.137 03:20:06	16-May	anneal
59012.505116	2020.164 12:07:22	12-Jun	anneal
59037.676863	2020.189 16:14:41	7-Jul	anneal
59066.829664	2020.218 19:54:43	5-Aug	anneal
59095.225451	2020.247 05:24:39	3-Sep	anneal
59125.416875	2020.277 10:00:18	3-Oct	anneal
59150.717407	2020.302 17:13:04	28-Oct	anneal
59181.246736	2020.333 05:55:18	28-Nov	anneal
59209.193715	2020.361 04:38:57	26-Dec	anneal

2019

MJD	Day of year and time	Day-Month	Activity
58491.7246	2019.008 17:23:29	8-Jan	WFC3 SUSPEND
58505.63520833	2019.022 15:14:42	22-Jan	anneal
58535.58949074	2019.052 14:08:52	21-Feb	anneal
58561.85943287	2019.078 20:37:35	19-Mar	anneal
58590.47559027	2019.107 11:24:51	17-Apr	anneal
58616.21189814	2019.133 05:05:08	13-May	anneal
58645.61915509	2019.162 14:51:35	11-Jun	anneal
58676.18376157	2019.193 04:24:37	12-Jul	anneal
58694.2599	2019.211 06:14:16	30-Jul	SIC&DH lockup (WFC3 remained cold)
58700.58082176	2019.217 13:56:23	05-Aug	anneal
58730.76744212	2019.247 18:25:07	04-Sep	anneal
58760.26537037	2019.277 06:22:08	04-Oct	anneal
58787.711377314816	2019.304 17:04:23	Oct 31	anneal
58814.734618055554	2019.331 17:37:51	Nov 27	anneal
58821.10805555555	2019.338 02:35:36	Dec 04	SI C&DH LOCKUP

2018

MJD	Day of year and time	Day-Month	Activity
58143.9563	2018.025 22:57:07	25-Jan	anneal
58170.7838	2018.052 18:48:37	21-Feb	anneal
58201.3608	2018.083 08:39:36	24-Mar	anneal
58228.1829	2018.110 04:23:24	20-Apr	anneal
58257.7439	2018.139 17:51:14	19-May	anneal
58281.9267	2018.163 22:14:31	12-Jun	anneal
58312.6112	2018.194 14:40:05	13-Jul	anneal
58336.7902	2018.218 18:57:55	6-Aug	anneal
58364.8776	2018.246 21:03:43	3-Sep	anneal
58392.4802	2018.274 11:31:33	1-Oct	anneal
58424.6098	2018.306 14:38:05	2-Nov	anneal
58451.4516	2018.333 10:50:19	29-Nov	anneal
58479.2108	2018.361 05:03:30	27-Dec	anneal

2017

MJD	Day of year and time	Day-Month	Activity and notes
57766.707	2017.013 16:58:03	13-Jan	SIC&DH lockup (WFC3 not warmed up)
57776.8444	2017.023 20:15:58	23-Jan	anneal
57807.9195	2017.054 22:04:04	23-Feb	anneal
57828.3625	2017.075 08:42:00	16-Mar	SIC&DH lockup (WFC3 not warmed up)
57832.6487	2017.079 15:34:10	20-Mar	anneal
57862.6382	2017.109 15:19:02	19-Apr	anneal
57891.5491	2017.138 13:10:41	18-May	anneal
57917.6622	2017.164 15:53:31	13-Jun	anneal
57924.1063	2017.171 02:33:00	20-Jun	SIC&DH lockup (WFC3 remained cold)
57948.9621	2017.195 23:05:27	14-Jul	anneal
57975.3683	2017.222 08:50:19	10-Aug	anneal
58000.4619	2017.247 11:05:05	4-Sep	anneal
58030.4063	2017.277 09:45:12	4-Oct	anneal
58060.0067	2017.307 00:09:42	3-Nov	anneal
58085.9858	2017.332 23:39:38	28-Nov	anneal
58113.4351	2017.360 10:26:35	26-Dec	anneal

2016

MJD	Day of year and time	Day-Month	Activity and notes
57412.7281	2016.025 17:28:24	25-Jan	anneal
57440.5074	2016.053 12:10:43	22-Feb	anneal
57471.4678	2016.084 11:13:40	24-Mar	anneal
57497.9672	2016.110 23:12:46	19-Apr	anneal
57529.4997	2016.142 11:59:37	21-May	anneal
57554.6672	2016.167 16:00:43	15-Jun	anneal
57582.1967	2016.195 04:43:11	13-Jul	anneal
57612.1365	2016.225 03:16:32	12-Aug	anneal
57638.087	2016.251 02:05:18	7-Sep	anneal
57669.625	2016.282 15:00:00	8-Oct	anneal
57697.0569	2016 310:01:21:56	5-Nov	anneal
57722.3073	2016.335 07:22:31	30-Nov	anneal
57751.7972	2016.364 19:07:56	29-Dec	anneal

2015

MJD	Day of year and time	Day-Month	Activity and notes
57051.3922	2015.029 09:24:45	29-Jan	anneal
57081.1502	2015.059 03:36:13	28-Feb	anneal
57104.7101	2015.082 17:02:33	23-Mar	anneal
57134.8329	2015.112 19:59:20	22-Apr	anneal
57162.4768	2015.140 11:26:36	20-May	anneal
57193.7205	2015.171 17:17:27	20-Jun	anneal
57218.8178	2015.196 19:37:36	15-Jul	anneal
57246.1667	2015.224 04:00:00	12-Aug	anneal
57273.1904	2015.251 04:34:07	8-Sep	anneal
57300.8533	2015.278 20:28:47	5-Oct	anneal
57330.0204	2015.308 00:29:23	4-Nov	anneal
57358.4236	2015.336 10:09:57	2-Dec	anneal
57386.3034	2015.364 07:16:58	30-Dec	anneal

2014

MJD	Day of year and time	Day-Month	Activity and notes
56659.3116	2014.002 07:28:46	2-Jan	anneal
56687.4699	2014.030 11:16:37	30-Jan	anneal
56714.7535	2014.057 18:04:59	26-Feb	anneal
56744.1937	2014.087 4:38:54	28-Mar	anneal
56770.8325	2014.113 19:58:48	23-Apr	anneal
56797.8719	2014.140 20:55:29	20-May	anneal
56826.8072	2014.169 19:22:20	18-Jun	anneal
56853.7141	2014.196 17:08:17	15-Jul	anneal
56882.3643	2014.225 08:44:36	13-Aug	anneal
56911.6468	2014.254 15:31:27	11-Sep	anneal
56940.199	2014.283 04:46:37	10-Oct	anneal
56950.7236	2014.293 17:22:00	20-Oct	SIC&DH lockup (WFC3 not warmed up)
56966.7313	2014.309 17:33:08	5-Nov	anneal
56995.48	2014.338 11:31:10	4-Dec	anneal
57022.7208	2014.365 17:17:59	31-Dec	anneal

2013

MJD	Day of year and time	Day-Month	Activity and notes
56293.676	2013.001 16:13:23	1-Jan	anneal
56323.1535	2013.031 03:41:01	31-Jan	anneal
56351.5333	2013.059 12:47:55	28-Feb	anneal
56377.5361	2013.085 12:51:59	26-Mar	anneal
56408.3147	2013.116 7:33:12	26-Apr	anneal
56434.8428	2013.142 20:13:38	22-May	anneal
56463.3885	2013.171 09:19:24	20-Jun	anneal
56491.1733	2013.199 04:09:30	18-Jul	anneal
56519.0907	2013.227 02:10:37	15-Aug	anneal
56547.3061	2013.255 07:20:51	12-Sep	anneal
56575.9755	2013.283 23:24:39	10-Oct	anneal
56606.0904	2013.314 02:10:09	10-Nov	anneal
56630.6279	2013.338 15:04:12	4-Dec	anneal

2012

MJD	Day of year and time	Day-Month	Activity and notes
55930.9771	2012.004 23:27:04	4-Jan	anneal
55961.6381	2012.035 15:18:53	4-Feb	anneal
55986.7185	2012.060 17:14:38	Feb-29	anneal
56014.4988	2012.088 11:58:12	28-Mar	anneal
56042.9285	2012.116 22:17:00	25-Apr	anneal
56070.9777	2012.144 23:27:54	23-May	anneal
56098.2945	2012.172 07:04:07	20-Jun	anneal
56125.4619	2012.199 11:05:07	17-Jul	anneal
56154.6267	2012.228 15:02:26	15-Aug	anneal
56181.194	2012.255 04:39:21	11-Sep	anneal
56211.7294	2012.285 17:30:20	11-Oct	anneal
56239.1245	2012.313 02:59:16	8-Nov	anneal
56267.6904	2012.341 16:34:10	6-Dec	anneal

2011

MJD	Day of year and time	Day-Month	Activity and notes
55568.2804	2011.007 6:43:44	7-Jan	anneal
55597.3918	2011.036 9:24:08	5-Feb	anneal
55623.6729	2011.062 16:09:01	3-Mar	anneal
55650.6693	2011.089 16:03:51	30-Mar	anneal
55679.2138	2011.118 05:07:55	28-Apr	anneal
55707.5275	2011.146 12:39:33	26-May	anneal
55736.0882	2011.175 02:07:02	24-Jun	anneal
55763.7021	2011.202 16:51:16	21-Jul	anneal
55792.5278	2011.231 12:40:04	19-Aug	anneal
55822.2113	2011.261 05:04:14	18-Sep	anneal
55831.4013	2011.270 09:37:52	27-Sep	WFC3 did not warm up
55849.2606	2011.288 06:15:19	15-Oct	anneal
55876.2929	2011.315 07:01:46	11-Nov	anneal
55900.9467	2011.339 22:43:18	5-Dec	anneal

2010

MJD	Day of year and time	Day-Month	Activity and notes
55202.7014	2010.006 16:50:27	6-Jan	anneal
55231.8225	2010.035 19:44:20	4-Feb	anneal
55257.9112	2010.061 21:52:08	2-Mar	anneal
55286.7414	2010.090 17:47:35	31-Mar	anneal
55316.6444	2010.120 15:27:59	30-Apr	anneal
55342.9527	2010.146 22:51:53	26-May	anneal
55369.9825	2010.173 23:34:45	21-Jun	anneal
55398.2774	2010.202 06:39:31	21-Jul	anneal
55428.3394	2010.232 08:08:45	20-Aug	anneal
55448.2771	2010.252 06:39:00	9-Sep	HST safing. WFC3 detectors not warmed up.
55457.1582	2010.261 03:47:52	18-Sep	anneal
55473.0715	2010.277 01:43:00	4-Oct	HST safing
55484.5685	2010.288 13:38:37	15-Oct	anneal
55514.4012	2010.318 09:37:46	14-Nov	anneal
55539.5885	2010.343 14:07:30	9-Dec	anneal

2009

MJD	Day of year and time	Month/Day	Activity and notes
54962.	2009.131	May 11	STS-125 SM4 shuttle
54963.	2009.132	May 14	WFC3 installed on HST.
54968.	2009.137	May 19	HST release
54993.864699	2009.162 20:45	June 11	first cold WFC3 data
54997.299305	2009.166 07:11	June 15	HST safing
55005.072917	2009.174 01:45:51	June 23	first anneal
55032.828703	2009.201 19:53:20	July 20	anneal
55064.1146528	2009.233 02:45:06	Aug 21	anneal
55088.8545486	2009.257 20:30:43	Sep 14	anneal
55120.5200231	2009.289 12:28:50	Oct 16	anneal
55126.5213773	2009.295 12:30:47	Oct 22	HST safing.
55138.7761806	2009.307 18:37:42	Nov 3	HST safing. WFC3 detectors not warmed up.
55149.2155903	2009.318 05:10:27	Nov 14	anneal
55176.8256481	2009.345 19:48:56	Dec 11	anneal

LAST UPDATED: 04/20/2022

Please Contact the HST Help Desk with any Questions

https://hsthelp.stsci.edu