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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257262 matches
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TRACE:

1998-04-14T18:00:14 to 1998-04-14T18:28:58

Science Goal:

Program: testing days 9-12 of the 30-day plan in the dark

Target:

Pointing: xcen=-13 ycen=-82,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

TRACE:

1998-04-13T22:03:23 to 1998-04-14T23:29:48

Science Goal:

Program: test parst of the 30 day plan in the dark

Target:

Pointing: xcen=224 ycen=-476,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

SOTSP: AR 14321

2025-12-31T12:00:29 to 2025-12-31T12:32:49

Science Goal: Observe active regions

Program: Fast map, 164x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=936 ycen=-194,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	159,162	506
6302A Velocity 6301.5A	0	159,162	506
6302A Transverse Flux Density	0	159,162	506
6302A Longitudinal Flux Density	0	159,162	506

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-30T14:08:09 to 2025-12-30T14:17:18

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=744 ycen=219,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	56

IRIS: SUIT Coordination:

2025-12-29T01:47:20 to 2025-12-29T02:11:49

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=402 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	604
2796	0.04	68,68	604

IRIS: Coronal Nanojets (AR14317)

2025-12-25T08:54:39 to 2025-12-25T09:48:13

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

Program: Coronal Nanojets (AR14317)

Target: AR

Pointing: xcen=-276 ycen=222,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	336

IRIS: High-cadence flare watch

2025-12-21T15:57:24 to 2025-12-21T16:53:45

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=-372 ycen=408,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: Flare watch program B, AR14294

2025-12-11T16:40:28 to 2025-12-11T16:58:45

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=930 ycen=-229,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,65	39
1400	0.47	61,65	39
2796	0.47	61,65	39

IRIS: High cadence flare watch, AR14294

2025-12-10T08:20:21 to 2025-12-10T09:16:47

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=818 ycen=-229,

saaIntervals hiIntervals

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

IRIS: Flare watch program C, AR14301

2025-12-07T15:30:37 to 2025-12-07T16:34:24

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=-135,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	400

IRIS: Flare watch program C, AR14294

2025-12-06T15:25:19 to 2025-12-06T16:20:10

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

Program: Flare watch program C, AR14294

Target: AR

Pointing: xcen=263 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	344

IRIS: High cadence flare watch, AR14294

2025-12-06T13:48:22 to 2025-12-06T14:43:57

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=235 ycen=-241,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1464
2796	0.04	68,68	1464

IRIS: SUIT/Aditya-L1 Coordination (Central AR Program)

2025-11-28T02:03:36 to 2025-11-28T03:00:15

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Spatial x 4, Spectral x 4

Program: SUIT/Aditya-L1 Coordination (Central AR Program)

Target: AR

Pointing: xcen=1 ycen=-229,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	54
1400	0.26	289,182	216
2796	0.26	289,182	216

IRIS: High-cadence Flare Watch of AR14291

2025-11-27T17:58:40 to 2025-11-27T18:55:57

Science Goal: Large coarse 8-step raster 14x120 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=-96 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	135,130	1412
2796	0.04	135,130	1412

IRIS: High cadence flare study

2025-11-22T23:10:50 to 2025-11-22T23:33:12

Science Goal: Large sparse 8-step raster 7x120 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

Target: AR

Pointing: xcen=-724 ycen=274,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,130	552
2796	0.04	128,130	552

257262 matches
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