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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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257266 matches
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SOTSP: AR 14336 (Sunspot)

2026-01-14T22:40:15 to 2026-01-14T23:27:38

Science Goal: Active Region Observations

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=739 ycen=-147,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	237,162	749
6302A Velocity 6301.5A	0	237,162	749
6302A Transverse Flux Density	0	237,162	749
6302A Longitudinal Flux Density	0	237,162	749

IRIS: Flare study on AR 14325/14323 (follow Hinode): Program C

2026-01-03T20:49:18 to 2026-01-03T21:45:37

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Flare study on AR 14325/14323 (follow Hinode): Program C

Target: AR

Pointing: xcen=550 ycen=-96,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	351

SOTSP: AR 14317

2025-12-28T15:30:04 to 2025-12-28T16:34:44

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=392 ycen=190,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	324,162	1023
6302A Velocity 6301.5A	0	324,162	1023
6302A Transverse Flux Density	0	324,162	1023
6302A Longitudinal Flux Density	0	324,162	1023

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-24T19:56:12 to 2025-12-24T20:01:19

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Raster of Ribbons and Hot Plasma (AR14317)

Target: AR

Pointing: xcen=-402 ycen=225,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	32

IRIS: Low-telemetry flare watch

2025-12-22T19:26:25 to 2025-12-22T20:22:56

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=-223 ycen=369,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	123
1400	0.46	62,68	123
2796	0.46	62,68	123

IRIS: High-cadence flare watch

2025-12-18T18:26:43 to 2025-12-18T19:22:09

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=931 ycen=-256,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1460
2796	0.04	68,68	1460

IRIS: PSP coordination, AR14294

2025-12-12T16:46:18 to 2025-12-12T17:51:36

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: PSP coordination, AR14294

Target: AR

Pointing: xcen=960 ycen=-244,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	408

IRIS: High cadence flare watch, AR14294

2025-12-10T05:06:20 to 2025-12-10T06:02:46

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, AR14294

Target: AR

Pointing: xcen=805 ycen=-228,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1392
2796	0.04	68,68	1392

IRIS: Jitter test with loop open 1

2025-12-07T02:52:04 to 2025-12-07T03:22:04

Science Goal: SJI MgII w, 1x1, 10s exp, 20s cadence, for wobble calibration

Program: Jitter test with loop open 1

Target: AR

Pointing: xcen=-52 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	90

IRIS: High-cadence Flare Watch of AR14291

2025-12-01T14:08:31 to 2025-12-01T15:05:28

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=670 ycen=-250,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1500
2796	0.04	68,68	1500

IRIS: Coronal Nanojet Study of AR14292

2025-11-30T12:07:19 to 2025-11-30T13:12:37

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Coronal Nanojet Study of AR14292

Target: AR

Pointing: xcen=947 ycen=-273,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	408

IRIS: Coronal Nanojet Study of AR14292

2025-11-30T09:01:58 to 2025-11-30T09:59:35

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Coronal Nanojet Study of AR14292

Target: AR

Pointing: xcen=947 ycen=-272,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	360

IRIS: High-cadence Flare Watch of AR14291

2025-11-28T10:08:50 to 2025-11-28T11:06:04

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=50 ycen=-262,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1412
2796	0.04	68,68	1412

IRIS: High-cadence Flare Watch of AR14291

2025-11-26T03:38:22 to 2025-11-26T04:07:42

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 of AR14291

Target: AR

Pointing: xcen=-394 ycen=-251,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	724
2796	0.04	68,68	724

IRIS: Low-lying loops

2025-11-18T10:50:28 to 2025-11-18T11:48:43

Science Goal: Large coarse 4-step raster 6x120 4s Si IV Mg II h/k Deep x 8

Program: Low-lying loops

Target: AR

Pointing: xcen=383 ycen=-153,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	127,129	190
2796	0.31	127,129	190

257266 matches
prev 1...5465 5466 5467 5468 5469 5470 [5471] 5472 5473 5474 ...17152 next