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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255757 matches
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TRACE: AR8518

1999-04-26T05:32:03 to 1999-04-26T19:39:08

Science Goal: SCIPLAN_AR8518

Program:

Target:

Pointing: xcen=569 ycen=-178,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	23.41	512,512	37
WL	17.55	512,512	49
1600	17.19	512,512	50
284	23.4	512,512	37
195	23.41	512,512	37

TRACE: AR SOUTH

1999-04-18T04:40:58 to 1999-04-19T04:24:37

Science Goal: SCIPLAN_AR_SOUTH

Program:

Target:

Pointing: xcen=-373 ycen=-233,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	199.08	512,512	5
1700	125.95	512,512	12
WL	125.95	512,512	12
1600	125.95	512,512	12
284	199.08	512,512	5
195	199.08	512,512	5
1550	125.95	512,512	12

TRACE: FDM

1999-04-13T10:58:21 to 1999-04-13T11:01:49

Science Goal: SCIPLAN_FDM

Program:

Target:

Pointing: xcen=437 ycen=-173,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.36	512,512	5
195	0.41	512,512	5

TRACE: SYNOPTIC

1999-03-27T00:05:15 to 1999-03-27T00:26:38

Science Goal: SCIPLAN_SYNOPTIC

Program:

Target:

Pointing: xcen=-10 ycen=820,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	4.11	512,512	5
1700	4.11	512,512	5
1600	4.11	512,512	5
284	4.11	512,512	5
195	4.11	512,512	5
1550	4.11	512,512	5
1216	4.11	512,512	5

TRACE: KUCERA

1999-03-16T03:06:50 to 1999-03-16T12:59:59

Science Goal: SCIPLAN_KUCERA

Program:

Target:

Pointing: xcen=-647 ycen=645,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1.48	512,512	402
1600	1.48	512,512	400
1550	1.48	512,512	401

TRACE: CH

1999-03-08T15:31:19 to 1999-03-08T23:14:57

Science Goal: SCIPLAN_CH

Program: coronal hole study (south), VLA collaboration, flate watch

Target:

Pointing: xcen=884 ycen=430,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1.43	384,384	323
1600	0.89	384,384	522
284	1.42	384,384	325

TRACE:

1999-01-13T10:28:14 to 1999-01-13T10:30:22

Science Goal:

Program:

Target:

Pointing: xcen=-3 ycen=-17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
WL	0.13	512,512	18

IRIS: Flare study on AR 14336 (following Hinode)

2026-01-11T11:30:12 to 2026-01-11T12:28:31

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: Flare study on AR 14336 (following Hinode)

Target: AR

Pointing: xcen=158 ycen=-102,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1413
2796	0.04	68,68	1408

SOTSP: AR 14324

2025-12-31T18:42:16 to 2025-12-31T19:08:02

Science Goal: Observe active regions

Program: Fast map, 164x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=-240 ycen=403,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	129,162	408
6302A Velocity 6301.5A	0	129,162	408
6302A Transverse Flux Density	0	129,162	408
6302A Longitudinal Flux Density	0	129,162	408

SOTSP: AR 14321

2025-12-31T12:00:29 to 2025-12-31T12:32:49

Science Goal: Observe active regions

Program: Fast map, 164x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=936 ycen=-194,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	159,162	506
6302A Velocity 6301.5A	0	159,162	506
6302A Transverse Flux Density	0	159,162	506
6302A Longitudinal Flux Density	0	159,162	506

IRIS: High-cadence flare watch

2025-12-20T22:10:21 to 2025-12-20T23:06:42

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 watch

Target: AR

Pointing: xcen=-499 ycen=404,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: High-cadence flare watch

2025-12-17T08:29:05 to 2025-12-17T09:25:26

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 watch

Target: AR

Pointing: xcen=868 ycen=-240,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: Flare watch program B, AR14294

2025-12-09T17:47:14 to 2025-12-09T18:43:30

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Flare watch program B, AR14294

Target: AR

Pointing: xcen=685 ycen=-317,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	120
1400	0.47	61,66	120
2796	0.47	61,66	120

IRIS: Flare watch program C, AR14294

2025-12-06T15:25:19 to 2025-12-06T16:20:10

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

Program: Flare watch program C, AR14294

Target: AR

Pointing: xcen=263 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	344

IRIS: High-cadence Flare Watch of AR14291

2025-11-26T19:20:49 to 2025-11-26T20:18:13

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 Watch of AR14291

Target: AR

Pointing: xcen=-252 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1416
2796	0.04	68,68	1416

255757 matches
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