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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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257280 matches
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IRIS: Italian Radio Telescope Coordination

2026-05-06T06:10:12 to 2026-05-06T07:48:24

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

Program: Italian Radio Telescope Coordination

Target: AR

Pointing: xcen=862 ycen=-343,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	160
2832	0.61	281,182	160
1400	0.61	281,182	160
2796	0.61	281,182	160

IRIS: Low-telemetry flare watch

2026-05-04T04:38:03 to 2026-05-04T05:58:28

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=-332 ycen=-209,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	175
1400	0.46	62,69	175
2796	0.46	62,69	175

IRIS: Coordination Italian radio telescopes

2026-05-02T06:17:20 to 2026-05-02T07:55:31

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

Program: Coordination Italian radio telescopes

Target: AR

Pointing: xcen=335 ycen=142,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	160
2832	0.61	281,182	160
1400	0.61	281,182	160
2796	0.61	281,182	160

IRIS: Low-telemetry Flare Watch of AR14419

2026-04-19T17:03:37 to 2026-04-19T21:01:18

Science Goal: Medium coarse 8-step raster 14x60 8s C II Deep x 8 Spatial x 2, Spectral x 2

Program: Low-telemetry Flare Watch of AR14419

Target: AR

Pointing: xcen=123 ycen=301,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	1528

IRIS: Rastered Flare Watch of Unnamed AR on E Limb

2026-04-14T20:08:20 to 2026-04-14T23:49:01

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

Program: Rastered Flare Watch of Unnamed AR on E Limb

Target: AR

Pointing: xcen=-796 ycen=256,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1384

IRIS: Coronal Nanojets, unnamed AR

2026-04-13T12:19:13 to 2026-04-13T18:01:48

Science Goal: Large sit-and-stare 0.3x120 1s Si IV Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 10x faster

Program: Coronal Nanojets, unnamed AR

Target: AR

Pointing: xcen=291 ycen=407,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.03	120,128	12000

IRIS: Flare watch program C, AR14414

2026-04-11T12:24:01 to 2026-04-11T18:23:46

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

Program: Flare watch program C, AR14414

Target: AR

Pointing: xcen=-503 ycen=360,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	2255

IRIS: A1: QS monitoring

2026-04-10T04:20:04 to 2026-04-10T04:38:08

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=329 ycen=106,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: High cadence flare watch, AR14409

2026-04-08T17:02:37 to 2026-04-08T23:37:33

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, AR14409

Target: AR

Pointing: xcen=887 ycen=61,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	10400
2796	0.04	68,68	10400

IRIS: A1: QS Monitoring

2026-03-27T04:20:15 to 2026-03-27T04:38:18

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=-2 ycen=3,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: BBSO Coordination on AR14401

2026-03-25T17:30:01 to 2026-03-25T19:29:55

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 2, Spectral x 2

Program: BBSO Coordination on AR14401

Target: AR

Pointing: xcen=-439 ycen=488,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.24	135,129	97
1400	0.21	135,129	582
2796	0.21	135,129	582

SOTSP: AR 14401

2026-03-24T11:20:06 to 2026-03-24T12:47:01

Science Goal: Observe an active region

Program: Normal 164"x164", Q65, one side

Target: Active Region

Pointing: xcen=-647 ycen=458,

saaIntervals hiIntervals

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

IRIS: B1: AR Tracking from Limb to Limb

2026-03-24T05:09:24 to 2026-03-24T05:27:29

Science Goal: Large coarse 64-step raster 126x120 64s Deep x 15 SJI cadence 3x faster Lossless compression

Program: B1: AR Tracking from Limb to Limb

Target: AR

Pointing: xcen=3 ycen=396,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	1.13	247,129	16
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: A1: QS monitoring

2026-03-19T04:35:05 to 2026-03-19T04:53:08

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=-120 ycen=51,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: Sit-and-stare study of ribbons and hot plasma (14391)

2026-03-17T22:39:22 to 2026-03-17T23:59:32

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: Sit-and-stare study of ribbons and hot plasma (14391)

Target: AR

Pointing: xcen=678 ycen=183,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	171
1400	0.47	61,67	171
2796	0.47	61,67	171

257280 matches
prev 1...10505 10506 10507 [10508] 10509 10510 10511 10512 10513 10514 ...17152 next