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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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250903 matches
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IRIS: Flare study on AR 14336 (following Hinode)

2026-01-11T13:07:12 to 2026-01-11T14:05:31

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=176 ycen=-102,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1536
2796	0.04	68,68	1536

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

2026-01-08T10:36:05 to 2026-01-08T11:36:56

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

IRIS: SUIT/Aditya-L1 coordination, flare catching on AR 14334

2026-01-08T01:03:37 to 2026-01-08T02:01:17

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/Aditya-L1 coordination, flare catching on AR 14334

Target: AR

Pointing: xcen=-132 ycen=-199,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	382
2796	0.15	65,68	382

SOTSP: AR 14317

2025-12-29T22:31:40 to 2025-12-29T23:36:21

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=629 ycen=185,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	315,162	1000
6302A Velocity 6301.5A	0	315,162	1000
6302A Transverse Flux Density	0	315,162	1000
6302A Longitudinal Flux Density	0	315,162	1000

IRIS: Sit and State Studies of Ribbons and Hot Plasma

2025-12-27T10:59:18 to 2025-12-27T11:55:53

Science Goal: Large sit-and-stare 0.3x120 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Sit and State Studies of Ribbons and Hot Plasma

Target: AR

Pointing: xcen=171 ycen=237,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.48	121,130	117
1400	0.48	121,130	117
2796	0.48	121,130	117

IRIS: Coronal Nanojets Program (AR14317)

2025-12-26T12:21:16 to 2025-12-26T12:35:17

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

Program: Coronal Nanojets Program (AR14317)

Target: AR

Pointing: xcen=-36 ycen=224,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	88

IRIS: Wobble Calibration Pointing #1

2025-12-23T16:18:11 to 2025-12-23T17:23:51

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

Program: Wobble Calibration Pointing #1

Target: QS

Pointing: xcen=-923 ycen=-3,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	197

IRIS: Low-telemetry flare watch

2025-12-22T08:07:23 to 2025-12-22T09:03:54

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=-490 ycen=353,

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: Off-limb flare watch

2025-12-19T10:35:53 to 2025-12-19T11:32:00

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

Program: Off-limb flare watch

Target: AR

Pointing: xcen=950 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	351

IRIS: Flare watch program B, AR14305

2025-12-16T00:08:55 to 2025-12-16T01:05:11

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, AR14305

Target: AR

Pointing: xcen=634 ycen=-401,

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: Limb AR watch / PSP coordination

2025-12-14T15:39:30 to 2025-12-14T16:44:33

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

Program: Limb AR watch / PSP coordination

Target: AR

Pointing: xcen=977 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	408

IRIS: Limb AR watch / PSP Coordination

2025-12-13T08:12:48 to 2025-12-13T08:24:17

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

Program: Limb AR watch / PSP Coordination

Target: AR

Pointing: xcen=976 ycen=-259,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	72

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: Calib 14: Wobble (Zero Roll)

2025-11-26T12:43:54 to 2025-11-26T13:49:54

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

Program: Calib 14: Wobble (Zero Roll)

Target: (NONE)

Pointing: xcen=-46 ycen=971,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	198

IRIS: SUIT coordination

2025-11-18T01:08:21 to 2025-11-18T02:07:11

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

Target: AR

Pointing: xcen=-117 ycen=336,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1452
2796	0.04	68,68	1452

250903 matches
prev 1...10137 10138 [10139] 10140 10141 10142 10143 10144 10145 10146 ...16727 next