STEREO - Coordinated Observations Calendar

Information about STEREO-A close approach to Earth, August 2023
STEREO Coordinated Observations Calendar - 2023

Below, please find the archived plans for STEREO operations in the year 2023. Some unplanned events are also included. All dates and times are UTC unless otherwise specified. More detailed plans can be found in the weekly schedules (Ahead, Behind). This page is also available as plain text.
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Scheduled activities for Week 01:

M Jan 02 (002)  New Year observed
T Jan 03 (003)  Solar Orbiter Mercury transit
W Jan 04 (004)  
T Jan 05 (005)  
F Jan 06 (006)  
S Jan 07 (007)  
S Jan 08 (008)  

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Scheduled activities for Week 02:

M Jan 09 (009)  
T Jan 10 (010)  
W Jan 11 (011)  
T Jan 12 (012)  
F Jan 13 (013)  
S Jan 14 (014)  
S Jan 15 (015)  

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Scheduled activities for Week 03:

M Jan 16 (016)  Martin Luther King holiday
T Jan 17 (017)  
W Jan 18 (018)  
T Jan 19 (019)  
F Jan 20 (020)  
S Jan 21 (021)  
S Jan 22 (022)  

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Scheduled activities for Week 04:

M Jan 23 (023)  Ahead: SECCHI COR2 pB campaign test run, 4-8 UT
T Jan 24 (024)
W Jan 25 (025)  Ahead: Downlink testing with APL 18m station, 18:40-20:00 UT
T Jan 26 (026)  Ahead: Momentum dump, 15:00 UT
F Jan 27 (027)  
S Jan 28 (028)  
S Jan 29 (029)  

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Scheduled activities for Week 05:

M Jan 30 (030)  
T Jan 31 (031)  
W Feb 01 (032)  DSN network maintenance, 12:30-20:30 UT
T Feb 02 (033)  
F Feb 03 (034)  
S Feb 04 (035)  
S Feb 05 (036)  

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Scheduled activities for Week 06:

M Feb 06 (037)
T Feb 07 (038)  
W Feb 08 (039)  
T Feb 09 (040)  
F Feb 10 (041)  
S Feb 11 (042)  
S Feb 12 (043)  

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Scheduled activities for Week 07:

M Feb 13 (044)  Ahead: Project Interface Test with station 36, 01:10-03:05 UT
		MOC network maintenance, 13-14 UT
T Feb 14 (045)  
W Feb 15 (046)  
T Feb 16 (047)  Ahead: Battery maintenance, 14:00 UT
F Feb 17 (048)  
S Feb 18 (049)  
S Feb 19 (050)

Notes:

* STEREO Annual Assessment, Thursday, Feb 16, 8:30-12:00 EST, APL

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Scheduled activities for Week 08:

M Feb 20 (051)  MOC network maintenance, 13-15 UT
T Feb 21 (052)  
W Feb 22 (053)  
T Feb 23 (054)  
F Feb 24 (055)  Ahead: SECCHI stepped calibration roll, 13 UT
S Feb 25 (056)  
S Feb 26 (057)  

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Scheduled activities for Week 09:

M Feb 27 (058)  
T Feb 28 (059)  
W Mar 01 (060)  
T Mar 02 (061)  
F Mar 03 (062)  
S Mar 04 (063)  
S Mar 05 (064)  

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Scheduled activities for Week 10:

M Mar 06 (065)  Ahead: Momentum dump, 22:00 UT
T Mar 07 (066)  
W Mar 08 (067)  
T Mar 09 (068)  
F Mar 10 (069)  
S Mar 11 (070)  
S Mar 12 (071)  Daylight Savings Time begins in US

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Scheduled activities for Week 11:

M Mar 13 (072)  Beginning of Parker Solar Probe perihelion pass
T Mar 14 (073)  
W Mar 15 (074)
T Mar 16 (075)  Ahead: SECCHI COR2 pB campaign
F Mar 17 (076)  Ahead: SECCHI COR2 Deep Field
S Mar 18 (077)
S Mar 19 (078)  Ahead: SECCHI COR2 Deep Field + EUVI 171A Deep Field campaign

Notes:

* Parker Solar Probe perihelion pass, Mar 13-23
* SECCHI COR2 Deep Field + EUVI 171A Deep Field campaign, Mar 17-20

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Scheduled activities for Week 12:

M Mar 20 (079)  Ahead: SECCHI COR2 Deep Field + EUVI 171A Deep Field campaign
T Mar 21 (080)  Ahead: SECCHI COR2 Deep Field + EUVI 171A Deep Field campaign  
W Mar 22 (081)  Start of Solar Orbiter Remote Sensing Window 7
T Mar 23 (082)  End of Parker Solar Probe perihelion pass
F Mar 24 (083)  
S Mar 25 (084)  
S Mar 26 (085)

Notes:

* Parker Solar Probe perihelion pass, Mar 13-23
* SECCHI COR2 Deep Field + EUVI 171A Deep Field campaign, Mar 17-20
* Solar Orbiter Remote Sensing Window 7, Mar 22-Apr 1

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Scheduled activities for Week 13:

M Mar 27 (086)  
T Mar 28 (087)  
W Mar 29 (088)  
T Mar 30 (089)  
F Mar 31 (090)  
S Apr 01 (091)  End of Solar Orbiter Remote Sensing Window 7
S Apr 02 (092)  

Notes:

* Solar Orbiter Remote Sensing Window 7, Mar 22-Apr 1

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Scheduled activities for Week 14:

M Apr 03 (093)  
T Apr 04 (094)  Start of Solar Orbiter Remote Sensing Window 8
W Apr 05 (095)  
T Apr 06 (096)  
F Apr 07 (097)  
S Apr 08 (098)  
S Apr 09 (099)

Notes:

* Solar Orbiter Remote Sensing Window 8, Apr 4-17

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Scheduled activities for Week 15:

M Apr 10 (100)  
T Apr 11 (101)  
W Apr 12 (102)  Ahead: Momentum dump, 20 UT.
T Apr 13 (103)  
F Apr 14 (104)  
S Apr 15 (105)  
S Apr 16 (106)  Solar Orbiter Venus occultation

Notes:

* Solar Orbiter Remote Sensing Window 8, Apr 4-17
* Time change for momentum dump

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Scheduled activities for Week 16:

M Apr 17 (107)  End of Solar Orbiter Remote Sensing Window 8
T Apr 18 (108)  
W Apr 19 (109)  Ahead: SECCHI watchdog reset, 12:28-19:52 UT
T Apr 20 (110)  Start of Solar Orbiter Remote Sensing Window 9
F Apr 21 (111)  
S Apr 22 (112)  
S Apr 23 (113)  

Notes:

* Solar Orbiter Remote Sensing Window 8, Apr 4-17
* Solar Orbiter Remote Sensing Window 9, Apr 20-24

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Scheduled activities for Week 17:

M Apr 24 (114)  End of Solar Orbiter Remote Sensing Window 9
T Apr 25 (115)  
W Apr 26 (116)  
T Apr 27 (117)  
F Apr 28 (118)  
S Apr 29 (119)  
S Apr 30 (120)  

Notes:

* Solar Orbiter Remote Sensing Window 9, Apr 20-24

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Scheduled activities for Week 18:

M May 01 (121)  
T May 02 (122)  
W May 03 (123)  
T May 04 (124)  
F May 05 (125)  
S May 06 (126)  
S May 07 (127)  

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Scheduled activities for Week 19:

M May 08 (128)  
T May 09 (129)  
W May 10 (130)  Ahead: SECCHI stepped calibration roll, 13:15 UT
T May 11 (131)  
F May 12 (132)  
S May 13 (133)  
S May 14 (134)  

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Scheduled activities for Week 20:

M May 15 (135)  Ahead: Momentum dump, 21:00 UT
T May 16 (136)  
W May 17 (137)  
T May 18 (138)  
F May 19 (139)  
S May 20 (140)  
S May 21 (141)  

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Scheduled activities for Week 21:

M May 22 (142)  
T May 23 (143)  
W May 24 (144)  
T May 25 (145)  Ahead: Return-to-service track with station 43
F May 26 (146)  Ahead: SECCHI watchdog reset, 22:49-23:39 UT
S May 27 (147)  
S May 28 (148)  Ahead: SECCHI watchdog reset, 07:28-20:21 UT

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Scheduled activities for Week 22:

M May 29 (149)  Memorial Day
T May 30 (150)  
W May 31 (151)  
T Jun 01 (152)  
F Jun 02 (153)  
S Jun 03 (154)  
S Jun 04 (155)  

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Scheduled activities for Week 23:

M Jun 05 (156)  
T Jun 06 (157)  
W Jun 07 (158)  
T Jun 08 (159)  
F Jun 09 (160)  
S Jun 10 (161)  
S Jun 11 (162)  

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Scheduled activities for Week 24:

M Jun 12 (163)  Ahead: Stepped calibration roll, 16:50 UT
T Jun 13 (164)  Ahead: Momentum dump, 20:00 UT
W Jun 14 (165)  
T Jun 15 (166)  
F Jun 16 (167)  
S Jun 17 (168)  Start of Parker Solar Probe perihelion pass
S Jun 18 (169)  

Notes:

* Parker Solar Probe perihelion pass, Jun 17-27.

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Scheduled activities for Week 25:

M Jun 19 (170)  
T Jun 20 (171)  
W Jun 21 (172)  Ahead: COR2 Deep-Field Campaign
T Jun 22 (173)  Ahead: COR2 Deep-Field Campaign
F Jun 23 (174)  Ahead: COR2 pB campaign
S Jun 24 (175)  
S Jun 25 (176)  

Notes:

* Parker Solar Probe perihelion pass, Jun 17-27.

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Scheduled activities for Week 26:

M Jun 26 (177)  
T Jun 27 (178)  End of Parker Solar Probe perihelion pass
		Solar Orbiter Mercury transit
W Jun 28 (179)  
T Jun 29 (180)  
F Jun 30 (181)  
S Jul 01 (182)  
S Jul 02 (183)  Behind: Closest approach to Earth

Notes:

* Parker Solar Probe perihelion pass, Jun 17-27

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Scheduled activities for Week 27:

M Jul 03 (184)  Start of SECCHI high downlink campaign
T Jul 04 (185)  Operations telecon canceled
W Jul 05 (186)  
T Jul 06 (187)  
F Jul 07 (188)  
S Jul 08 (189)  
S Jul 09 (190)

Notes:

* SECCHI high downlink campaign Jul 3-Aug 2
  - Science goals: EUV Stereoscopy, Active AR tracking, Jul 3-16
  - EUVI (171/195 @ 2.5-min; 284 @ 5-min; 304 @ 10-min full disk)
  - COR1/2, HI1/2 (synoptic)

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Scheduled activities for Week 28:

M Jul 10 (191)  
T Jul 11 (192)  
W Jul 12 (193)  
T Jul 13 (194)  
F Jul 14 (195)  
S Jul 15 (196)  
S Jul 16 (197)  

Notes:

* SECCHI high downlink campaign Jul 3-Aug 2
  - Science goals: EUV Stereoscopy, Active AR tracking, Jul 3-16
  - EUVI (171/195 @ 2.5-min; 284 @ 5-min; 304 @ 10-min full disk)
  - COR1/2, HI1/2 (synoptic)

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Scheduled activities for Week 29:

M Jul 17 (198)  Ahead: Momentum dump, 19:30 UT
T Jul 18 (199)  
W Jul 19 (200)  
T Jul 20 (201)  
F Jul 21 (202)  
S Jul 22 (203)  
S Jul 23 (204)  

Notes:

* SECCHI high downlink campaign Jul 3-Aug 2
  - Science goals: Coronal outflows, AR at/close to limb, Jul 17-Aug 2
  - EUVI (195 @ 2.5-min; 304 @ 10-min; 171/284 @ 2-hr full disk)
  - COR2 (tB @ 2.5-min w/ 18-sec exp)
  - HI1 @ 20-min, HI2 @ 2-hr

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Scheduled activities for Week 30:

M Jul 24 (205)  
T Jul 25 (206)  
W Jul 26 (207)  
T Jul 27 (208)  
F Jul 28 (209)  
S Jul 29 (210)  
S Jul 30 (211)  

Notes:

* SECCHI high downlink campaign Jul 3-Aug 2
  - Science goals: Coronal outflows, AR at/close to limb, Jul 17-Aug 2
  - EUVI (195 @ 2.5-min; 304 @ 10-min; 171/284 @ 2-hr full disk)
  - COR2 (tB @ 2.5-min w/ 18-sec exp)
  - HI1 @ 20-min, HI2 @ 2-hr

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Scheduled activities for Week 31:

M Jul 31 (212)  
T Aug 01 (213)  
W Aug 02 (214)  End of SECCHI high downlink campaign
T Aug 03 (215)  Ahead: battery discharge maintenance event, 15:00 UT
F Aug 04 (216)  
S Aug 05 (217)  
S Aug 06 (218)  

Notes:

* SECCHI high downlink campaign Jul 3-Aug 2
  - Science goals: Coronal outflows, AR at/close to limb, Jul 17-Aug 2
  - EUVI (195 @ 2.5-min; 304 @ 10-min; 171/284 @ 2-hr full disk)
  - COR2 (tB @ 2.5-min w/ 18-sec exp)
  - HI1 @ 20-min, HI2 @ 2-hr

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Scheduled activities for Week 32:

M Aug 07 (219)  
T Aug 08 (220)  
W Aug 09 (221)  
T Aug 10 (222)  
F Aug 11 (223)  
S Aug 12 (224)  
S Aug 13 (225)  

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Scheduled activities for Week 33:

M Aug 14 (226)  
T Aug 15 (227)  
W Aug 16 (228)  
T Aug 17 (229)  Ahead: Closest approach to Earth
F Aug 18 (230)  
S Aug 19 (231)  
S Aug 20 (232)  

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Scheduled activities for Week 34:

M Aug 21 (233)  Parker Solar Probe Venus flyby
T Aug 22 (234)  
W Aug 23 (235)  
T Aug 24 (236)  
F Aug 25 (237)  
S Aug 26 (238)  
S Aug 27 (239)  

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Scheduled activities for Week 35:

M Aug 28 (240)  
T Aug 29 (241)  
W Aug 30 (242)  
T Aug 31 (243)  
F Sep 01 (244)  
S Sep 02 (245)  Ahead: Momentum dump, 00:30
S Sep 03 (246)  

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Scheduled activities for Week 36:

M Sep 04 (247)  Labor Day
T Sep 05 (248)  
W Sep 06 (249)  
T Sep 07 (250)  
F Sep 08 (251)  
S Sep 09 (252)  
S Sep 10 (253)  

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Scheduled activities for Week 37:

M Sep 11 (254)  
T Sep 12 (255)  
W Sep 13 (256)  Ahead: SECCHI COR2 5-min pB program test, 12-14 UT
T Sep 14 (257)  
F Sep 15 (258)  
S Sep 16 (259)  
S Sep 17 (260)  

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Scheduled activities for Week 38:

M Sep 18 (261)  
T Sep 19 (262)  Ahead: Momentum dump, 14:00 UT
W Sep 20 (263)  
T Sep 21 (264)  
F Sep 22 (265)  
S Sep 23 (266)  Start of Parker Solar Probe perihelion pass, and SECCHI high
		telemetry campaign - COR2 18sec/2.5-min cadence
S Sep 24 (267)	COR2 18sec/2.5-min cadence

Notes:

* Parker Solar Probe perihelion pass, Sep 23-Oct 3, with SECCHI high telemetry
  campaign.

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Scheduled activities for Week 39:

M Sep 25 (268)  COR2 5-min pB program
T Sep 26 (269)  COR2 5-min pB program
W Sep 27 (270)  COR2 5-min pB program 0-12 UT, COR2 18sec/2.5-min 12-24 UT
T Sep 28 (271)  
F Sep 29 (272)  
S Sep 30 (273)  
S Oct 01 (274)  Start of Solar Orbiter Remote Sensing Window 10.

Notes:

* Parker Solar Probe perihelion pass, Sep 23-Oct 3, with SECCHI high telemetry
  campaign.

* Solar Orbiter Remote Sensing Window 10, Oct 1-10.

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Scheduled activities for Week 40:

M Oct 02 (275)  
T Oct 03 (276)  End of Parker Solar Probe perihelion pass, and SECCHI high
		telemetry campaign
W Oct 04 (277)  
T Oct 05 (278)  
F Oct 06 (279)  
S Oct 07 (280)  
S Oct 08 (281)  

Notes:

* Parker Solar Probe perihelion pass, Sep 23-Oct 3, with SECCHI high telemetry
  campaign.

* Solar Orbiter Remote Sensing Window 10, Oct 1-10.

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Scheduled activities for Week 41:

M Oct 09 (282)  Columbus / Native American day
T Oct 10 (283)  End of Solar Orbiter Remote Sensing Window 10
W Oct 11 (284)  
T Oct 12 (285)  Start of Solar Orbiter Remote Sensing Window 11
F Oct 13 (286)  
S Oct 14 (287)  Ahead: SECCHI watchdog reset, 19:59 UT
S Oct 15 (288)	Ahead: SECCHI recovery, 02:43 UT

Notes:

* Solar Orbiter Remote Sensing Window 10, Oct 1-10.

* Solar Orbiter Remote Sensing Window 11, Oct 12-21.

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Scheduled activities for Week 42:

M Oct 16 (289)  
T Oct 17 (290)  
W Oct 18 (291)  
T Oct 19 (292)  
F Oct 20 (293)  Ahead: Momentum dump, 21:00 UT
S Oct 21 (294)  End of Solar Orbiter Remote Sensing Window 11
S Oct 22 (295)  

Notes:

* Solar Orbiter Remote Sensing Window 11, Oct 12-21.

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Scheduled activities for Week 43:

M Oct 23 (296)  Start of Solar Orbiter Remote Sensing Window 12
T Oct 24 (297)  
W Oct 25 (298)
T Oct 26 (299)  17th STEREO launch anniversary  
F Oct 27 (300)  
S Oct 28 (301)  
S Oct 29 (302)

Notes:

* Solar Orbiter Remote Sensing Window 12, Oct 23-Nov 1.

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Scheduled activities for Week 44:

M Oct 30 (303)  
T Oct 31 (304)  
W Nov 01 (305)  SECCHI stepped calibration roll, 12:55 UT
		End of Solar Orbiter Remote Sensing Window 12
T Nov 02 (306)  
F Nov 03 (307)  
S Nov 04 (308)  
S Nov 05 (309)  End of daylight savings time in US

Notes:

* Solar Orbiter Remote Sensing Window 12, Oct 23-Nov 1.

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Scheduled activities for Week 45:

M Nov 06 (310)  
T Nov 07 (311)  
W Nov 08 (312)  Ahead: SECCHI watchdog reset, 09:45 UT
T Nov 09 (313)  Ahead: SECCHI recovered, 03:36 UT
F Nov 10 (314)  Veteran's Day Holiday
S Nov 11 (315)  
S Nov 12 (316)  

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Scheduled activities for Week 46:

M Nov 13 (317)  Solar Orbiter Full Disk Mosaic
T Nov 14 (318)  
W Nov 15 (319)  
T Nov 16 (320)  
F Nov 17 (321)  
S Nov 18 (322)  
S Nov 19 (323)  

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Scheduled activities for Week 47:

M Nov 20 (324)  
T Nov 21 (325)  
W Nov 22 (326)  
T Nov 23 (327)  Thanksgiving
F Nov 24 (328)  
S Nov 25 (329)  
S Nov 26 (330)  

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Scheduled activities for Week 48:

M Nov 27 (331)  
T Nov 28 (332)  
W Nov 29 (333)  
T Nov 30 (334)  Ahead: Momentum dump, 19:00 UT
F Dec 01 (335)  
S Dec 02 (336)  
S Dec 03 (337)  

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Scheduled activities for Week 49:

M Dec 04 (338)  
T Dec 05 (339)  
W Dec 06 (340)  
T Dec 07 (341)  
F Dec 08 (342)  
S Dec 09 (343)  
S Dec 10 (344)  

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Scheduled activities for Week 50:

M Dec 11 (345)  
T Dec 12 (346)  
W Dec 13 (347)  
T Dec 14 (348)  
F Dec 15 (349)  
S Dec 16 (350)  
S Dec 17 (351)  

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Scheduled activities for Week 51:

M Dec 18 (352)  
T Dec 19 (353)  
W Dec 20 (354)  
T Dec 21 (355)  
F Dec 22 (356)  
S Dec 23 (357)  
S Dec 24 (358)  

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Scheduled activities for Week 52:

M Dec 25 (359)  Start of Parker Solar Probe perihelion pass
T Dec 26 (360)  HI-1 High Cadence (20-min cad)
W Dec 27 (361)  HI-1 High Cadence (20-min cad)
T Dec 28 (362)  Solar Orbiter off-point for Parker Solar Probe
		COR2 deep field (36 sec exp/5 min cadence)
F Dec 29 (363)  COR2 deep field (36 sec exp/5 min cadence)
S Dec 30 (364)  COR2 deep field (36 sec exp/5 min cadence)
S Dec 31 (365)

Notes:

* Parker Solar Probe perihelion pass, Dec 25-Jan 3

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Plans last modified Tuesday, 02-Jan-2024 19:51:11 UTC
Last Revised: Tuesday, 10-Jan-2023 18:49:11 UTC
Responsible NASA Official: [email address: Therese.A.Kucera<at>nasa<dot>gov]
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