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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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255772 matches
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TRACE: QS STUDY

1999-02-18T01:32:05 to 1999-02-18T11:00:58

Science Goal: SCIPLAN_QS STUDY

Program: QS Limb Absorption and AR 171/195

Target:

Pointing: xcen=767 ycen=-59,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1.3	512,512	394
1600	4.14	512,512	124
195	2.6	512,512	38
1216	0.21	512,512	285

TRACE: 1216 focus

1999-02-04T00:52:13 to 1999-02-04T00:54:09

Science Goal: SCIPLAN_1216_focus

Program:

Target:

Pointing: xcen=645 ycen=-789,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1216	0.22	512,512	10

IRIS: High-cadence flare study, AR14341

2026-01-17T09:45:17 to 2026-01-17T10:44:24

Science Goal: High-Cadence Flare Program: .3 sec, flare linelist, C II slow

Program: High-cadence flare study, AR14341

Target: AR

Pointing: xcen=-593 ycen=-124,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.17	59,68	357

SOTSP: AR 14317

2025-12-29T15:40:04 to 2025-12-29T16:44:44

Science Goal: AR evolution

Program: Fast map, 328x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=581 ycen=186,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	323,162	1020
6302A Velocity 6301.5A	0	323,162	1020
6302A Transverse Flux Density	0	323,162	1020
6302A Longitudinal Flux Density	0	323,162	1020

IRIS: Low-telemetry flare watch

2025-12-22T21:03:25 to 2025-12-22T21:58:06

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

Program: Low-telemetry flare watch

Target: AR

Pointing: xcen=-216 ycen=373,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	119
1400	0.46	62,68	119
2796	0.46	62,68	119

IRIS: High-cadence flare watch

2025-12-16T07:07:04 to 2025-12-16T07:32:52

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 flare watch

Target: AR

Pointing: xcen=736 ycen=-225,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,130	594
2796	0.04	128,130	594

SOTSP: Synoptic

2025-12-11T18:18:21 to 2025-12-11T18:20:10

Science Goal: Synoptic

Program: Synoptic Very Fast Map, 15"x162", 3 mins.

Target: Calibration, Synoptic

Pointing: xcen=0 ycen=7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	16,162	50
6302A Velocity 6301.5A	0	16,162	50
6302A Transverse Flux Density	0	16,162	50
6302A Longitudinal Flux Density	0	16,162	50

IRIS: Flare watch program B, AR14294

2025-12-09T11:19:11 to 2025-12-09T12:15:27

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=646 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 B, AR14294

2025-12-09T09:42:11 to 2025-12-09T10:38:27

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=639 ycen=-318,

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: SUIT coordination, flare watch in AR14296

2025-12-09T03:14:20 to 2025-12-09T03:53:07

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

Program: SUIT coordination, flare watch in AR14296

Target: AR

Pointing: xcen=486 ycen=-244,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	257
2796	0.15	65,68	257

IRIS: Flare watch program B, AR14296

2025-12-03T17:53:16 to 2025-12-03T18:50:00

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, AR14296

Target: AR

Pointing: xcen=-569 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	121
1400	0.47	61,66	121
2796	0.47	61,66	121

IRIS: SUIT/Aditya-L1 Coordination (Flare Program)

2025-12-01T00:00:00 to 2025-12-01T00:32:16

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: SUIT/Aditya-L1 Coordination (Flare Program)

Target: AR

Pointing: xcen=-19 ycen=-212,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	795
2796	0.04	68,68	796

IRIS: SUIT/Aditya-L1 Coordination (Flare Program)

2025-11-28T00:26:36 to 2025-11-28T01:23:59

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: SUIT/Aditya-L1 Coordination (Flare Program)

Target: AR

Pointing: xcen=-40 ycen=-263,

saaIntervals hiIntervals

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

IRIS: High-cadence Flare Watch of AR14291

2025-11-26T09:38:43 to 2025-11-26T10:36:10

Science Goal: Large coarse 8-step raster 14x120 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=-338 ycen=-242,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	135,130	1416
2796	0.04	135,130	1415

IRIS: Jets in Coronal Holes

2025-11-16T13:34:04 to 2025-11-16T14:32:34

Science Goal: Very large sparse 64-step raster 63x175 64s Si IV Mg II h/k Mg II w Deep x 0.5 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Jets in Coronal Holes

Target: CH

Pointing: xcen=469 ycen=472,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.16	231,182	376
1400	0.16	231,182	376
2796	0.16	231,182	376

255772 matches
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