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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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250586 matches
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IRIS: BBSO coordination, AR14341

2026-01-20T20:11:53 to 2026-01-20T21:10:17

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 4 FUV spectrally rebinned x 4 SJI cadence 0.5x faster

Program: BBSO coordination, AR14341

Target: AR

Pointing: xcen=84 ycen=-72,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	28
1400	0.35	133,130	168
2796	0.35	133,130	168

IRIS: High-cadence flare study, AR14341

2026-01-18T11:37:10 to 2026-01-18T12:36:50

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, AR14341

Target: AR

Pointing: xcen=-392 ycen=-106,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1472
2796	0.04	68,68	1472

IRIS: SUIT Coordination, AR14341

2026-01-18T01:55:13 to 2026-01-18T02:38:21

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 Coordination, AR14341

Target: AR

Pointing: xcen=-480 ycen=-130,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1064
2796	0.04	68,68	1064

IRIS: SUIT Coordination, AR14341

2026-01-18T00:19:33 to 2026-01-18T01:17:46

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: SUIT Coordination, AR14341

Target: AR

Pointing: xcen=-496 ycen=-133,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1436
2796	0.04	68,68	1435

IRIS: AR tracking from limb to limb

2026-01-13T11:59:59 to 2026-01-13T12:49:39

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 8 Spatial x 2, Spectral x 2 Lossless compression

Program: AR tracking from limb to limb

Target: AR

Pointing: xcen=526 ycen=-98,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.62	281,182	80
2832	0.62	281,182	80
1400	0.62	281,182	80
2796	0.62	281,182	80

IRIS: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

2026-01-12T11:45:04 to 2026-01-12T12:42:28

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

Program: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

Target: AR

Pointing: xcen=371 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	360

IRIS: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

2026-01-11T16:25:19 to 2026-01-11T17:18:53

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

Program: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

Target: AR

Pointing: xcen=203 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	336

IRIS: AR 14329/14330 Prominence monitoring SW limb (HOP 269 IRIS alone)

2026-01-10T14:19:57 to 2026-01-10T15:24:15

Science Goal: Very large coarse 32-step raster 62x175 32s Mg II h/k Deep x 8 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4 Lossless compression

Program: AR 14329/14330 Prominence monitoring SW limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=1065 ycen=-127,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.15	231,182	416

IRIS: Prominence monitoring SW limb (HOP 269 IRIS alone)

2026-01-08T12:13:05 to 2026-01-08T13:13:56

Science Goal: Very large coarse 32-step raster 62x175 32s Mg II h/k Deep x 15 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4 Lossless compression

Program: Prominence monitoring SW limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=647 ycen=-810,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	224

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: A1: QS Monitoring

2025-12-28T05:01:08 to 2025-12-28T05:19:11

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=-15 ycen=8,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: C1: South Pole

2025-12-27T07:47:50 to 2025-12-27T08:22:00

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1: South Pole

Target: QS

Pointing: xcen=9 ycen=-960,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: A1: QS Monitoring

2025-12-27T04:31:21 to 2025-12-27T04:49:24

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=-197 ycen=-7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

SOTSP: Synoptic

2025-12-22T17:57:12 to 2025-12-22T17:59:02

Science Goal: Synoptic

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

Target: Calibration, Synoptic

Pointing: xcen=1 ycen=7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	14,162	47
6302A Velocity 6301.5A	0	14,162	47
6302A Transverse Flux Density	0	14,162	47
6302A Longitudinal Flux Density	0	14,162	47

IRIS: SUIT Coordination, AR14303

2025-12-10T01:52:29 to 2025-12-10T02:40:09

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

Program: SUIT Coordination, AR14303

Target: AR

Pointing: xcen=-361 ycen=-437,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	294
2796	0.16	65,68	294

250586 matches
prev 1...11905 11906 [11907] 11908 11909 11910 11911 11912 11913 11914 ...16706 next