Popular

Heliophysics Events Knowledgebase Coverage Registry (HCR)

Popular Observations

Here are the most popular observations, as measured by the number of downloads.

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249778 matches
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EIT: null

2000-11-03T01:13:36 to 2000-11-04T19:13:36

Science Goal:

Program:

Target:

Pointing: xcen=-978 ycen=0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
195	360.02	599,999	8

MDI: null

2000-09-26T12:51:00 to 2000-09-26T22:23:00

Science Goal:

Program:

Target:

Pointing: xcen=-377 ycen=-321,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
mag	44	135,125	14

TRACE: null

1999-11-03T04:40:07 to 1999-11-03T04:54:56

Science Goal:

Program:

Target:

Pointing: xcen=951 ycen=-204,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.33	512,512	46

TRACE: null

1999-07-24T00:00:33 to 1999-07-24T03:14:36

Science Goal:

Program:

Target:

Pointing: xcen=906 ycen=230,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	63.41	512,512	3
1700	63.41	512,512	3
WL	63.41	512,512	3
1600	63.41	512,512	3
284	63.41	512,512	3
1550	63.41	512,512	3

TRACE: null

1999-07-07T20:05:37 to 1999-07-07T22:26:08

Science Goal:

Program:

Target:

Pointing: xcen=27 ycen=242,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1700	1.52	384,384	93
WL	49.55	384,384	3
1600	1.52	384,384	93
195	1.61	384,384	84
1550	1.52	384,384	93

MDI: null

1997-05-24T00:04:00 to 1997-05-27T22:28:00

Science Goal:

Program:

Target:

Pointing: xcen=340 ycen=-821,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
mag	115.59	700,700	50

MDI: null

1997-05-14T00:04:00 to 1997-05-17T22:28:00

Science Goal:

Program:

Target:

Pointing: xcen=341 ycen=-815,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
mag	115.59	700,700	50

MDI: null

1997-05-10T00:04:00 to 1997-05-11T22:28:00

Science Goal:

Program:

Target:

Pointing: xcen=341 ycen=-813,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
mag	96	700,700	30

UBF: Test of ATST HCR Entry

1859-12-14T11:26:02 to 1859-12-14T12:52:58

Science Goal: Prototype ATST event

Program: ATST perparations

Target: Active Region

Pointing: xcen=630 ycen=-86,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
G band 4305	3	223,111	220

IRIS: SolO coordination: Filaments (Jenkins)

2026-02-14T16:35:19 to 2026-02-14T17:53:09

Science Goal: Medium coarse 8-step raster 14x60 8s C II Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: SolO coordination: Filaments (Jenkins)

Target: FI

Pointing: xcen=-418 ycen=-132,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.31	75,65	252
2796	0.31	75,65	252

IRIS: Low Telemetry Flare Study

2026-02-13T08:17:20 to 2026-02-13T09:30:46

Science Goal: Medium coarse 8-step raster 14x60 8s C II Deep x 8 Spatial x 2, Spectral x 2

Program: Low Telemetry Flare Study

Target: AR

Pointing: xcen=299 ycen=262,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	472

IRIS: High-cadence flare study

2026-02-04T10:57:53 to 2026-02-04T12:03:58

Science Goal: Medium sparse 8-step raster 7x60 8s C II Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 3x faster

Program: High-cadence flare study

Target: AR

Pointing: xcen=-3 ycen=344,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1740
2796	0.04	68,68	1740

IRIS: High-cadence flare study

2026-02-04T09:20:54 to 2026-02-04T10:26:59

Science Goal: Medium sparse 8-step raster 7x60 8s C II Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 3x faster

Program: High-cadence flare study

Target: AR

Pointing: xcen=-15 ycen=339,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1740
2796	0.04	68,68	1740

IRIS: A1: QS monitoring

2026-02-02T04:00:26 to 2026-02-02T04:18:30

Science Goal: Large coarse 64-step raster 126x120 64s C II Si IV Mg II h/k Mg II w s Deep x 15 SJI cadence 0.5x faster

Program: A1: QS monitoring

Target: QS

Pointing: xcen=102 ycen=43,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: High-cadence rasters

2026-02-01T15:10:29 to 2026-02-01T16:07:18

Science Goal: Large sparse 8-step raster 7x120 8s C II Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 3x faster

Program: High-cadence rasters

Target: AR

Pointing: xcen=-553 ycen=-338,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,129	1395
2796	0.04	128,129	1393

249778 matches
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