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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257274 matches
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IRIS: Flare study on AR 14325/14323 (follow Hinode): Program C

2026-01-03T17:41:01 to 2026-01-03T18:32:12

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=517 ycen=-96,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	319

SOTSP: AR 14325

2026-01-03T16:00:49 to 2026-01-03T16:48:13

Science Goal: Observe active regions

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

Target: Active Region

Pointing: xcen=468 ycen=-137,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	235,162	745
6302A Velocity 6301.5A	0	235,162	745
6302A Transverse Flux Density	0	235,162	745
6302A Longitudinal Flux Density	0	235,162	745

IRIS: Coronal Nanojets (AR14317)

2025-12-29T18:15:57 to 2025-12-29T18:53:04

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

Program: Coronal Nanojets (AR14317)

Target: AR

Pointing: xcen=608 ycen=237,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	232

IRIS: Raster of Ribbons and Hot Plasma AR14317

2025-12-29T08:37:06 to 2025-12-29T09:11:10

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

Program: Raster of Ribbons and Hot Plasma AR14317

Target: AR

Pointing: xcen=553 ycen=225,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	208

IRIS: Sit and State Studies of Ribbons and Hot Plasma

2025-12-27T09:28:01 to 2025-12-27T10:18:47

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=156 ycen=227,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.48	121,130	105
1400	0.48	121,130	105
2796	0.48	121,130	105

IRIS: Coronal Nanojets Program (AR14317)

2025-12-26T07:58:55 to 2025-12-26T08:25:42

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=-71 ycen=221,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	168

IRIS: A1: QS Monitoring

2025-12-25T04:09:12 to 2025-12-25T04:27:16

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=29 ycen=63,

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: AR 14317

2025-12-25T00:31:55 to 2025-12-25T01:36:35

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-389 ycen=184,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1020
6302A Velocity 6301.5A	0	322,162	1020
6302A Transverse Flux Density	0	322,162	1020
6302A Longitudinal Flux Density	0	322,162	1020

IRIS: Low-telemetry flare watch

2025-12-22T14:35:15 to 2025-12-22T15:31:18

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=-265 ycen=368,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	122
1400	0.46	62,68	122
2796	0.46	62,68	122

IRIS: Flare watch program B, AR14294

2025-12-11T08:35:26 to 2025-12-11T09:31:42

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=916 ycen=-226,

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

SOTSP: Track AR 14294/14296

2025-12-09T15:00:06 to 2025-12-09T16:04:47

Science Goal: Active region structure

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

Target: Active Region

Pointing: xcen=645 ycen=-285,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1022
6302A Velocity 6301.5A	0	322,162	1022
6302A Transverse Flux Density	0	322,162	1022
6302A Longitudinal Flux Density	0	322,162	1022

IRIS: Flare watch program C, AR14301

2025-12-07T12:26:08 to 2025-12-07T13:22:16

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

Program: Flare watch program C, AR14301

Target: AR

Pointing: xcen=965 ycen=-134,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	352

SOTSP: AR 14294 / AR 14296

2025-12-05T01:20:04 to 2025-12-05T02:07:29

Science Goal: Monitoring AR evolution

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

Target: Active Region

Pointing: xcen=-271 ycen=-292,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	234,162	742
6302A Velocity 6301.5A	0	234,162	742
6302A Transverse Flux Density	0	234,162	742
6302A Longitudinal Flux Density	0	234,162	742

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

2025-11-30T00:00:00 to 2025-11-30T00:17:11

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/Aditya-L1 Coordination (Flare Program)

Target: AR

Pointing: xcen=-434 ycen=-260,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	424
2796	0.04	68,68	424

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

2025-11-29T00:41:52 to 2025-11-29T01:39:05

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=-640 ycen=-283,

saaIntervals hiIntervals

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

257274 matches
prev 1...6001 6002 6003 6004 6005 6006 [6007] 6008 6009 6010 ...17152 next