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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256848 matches
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IRIS: HOP 307: AR tracking from limb to limb (AR 1452

2026-09-04T06:04:57 to 2026-09-04T11:50:38

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 15 Spatial x 2, Spectral x 2

Program: HOP 307: AR tracking from limb to limb (AR 1452

Target: AR

Pointing: xcen=-866 ycen=148,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.08	281,182	320
2832	1.08	281,182	320
1400	1.08	281,182	320
2796	1.08	281,182	320

IRIS: Sit-and-stare flare program (AR on NE limb)

2026-09-04T02:39:41 to 2026-09-04T03:57:51

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-stare flare program (AR on NE limb)

Target: AR

Pointing: xcen=-854 ycen=150,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	121,129	166
1400	0.47	121,129	166
2796	0.47	121,129	166

IRIS: Dense mosaic (pointing 13)

2026-09-02T18:58:26 to 2026-09-02T19:59:48

Science Goal: Very large dense 400-step raster 131.7x175 400s Deep x 8 Spatial x 2, Spectral x 2

Program: Dense mosaic (pointing 13)

Target: AR

Pointing: xcen=-535 ycen=251,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	309,182	100
2832	0.61	309,182	100
1400	0.61	309,182	100
2796	0.61	309,182	100

IRIS: Dense mosaic (pointing 12)

2026-09-02T17:47:21 to 2026-09-02T18:48:43

Science Goal: Very large dense 400-step raster 131.7x175 400s Deep x 8 Spatial x 2, Spectral x 2

Program: Dense mosaic (pointing 12)

Target: AR

Pointing: xcen=-659 ycen=250,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	309,182	100
2832	0.61	309,182	100
1400	0.61	309,182	100
2796	0.61	309,182	100

IRIS: Solar Orbiter, Coordinated calibration SOOP

2026-08-29T01:25:18 to 2026-08-29T03:40:11

Science Goal: Large sparse 16-step raster 15x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Solar Orbiter, Coordinated calibration SOOP

Target: AR

Pointing: xcen=590 ycen=33,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	137,129	784
2796	0.17	137,129	784

IRIS: Solar Orbiter, Coordinated calibration SOOP

2026-08-28T21:51:08 to 2026-08-29T01:14:50

Science Goal: Large sparse 16-step raster 15x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Solar Orbiter, Coordinated calibration SOOP

Target: AR

Pointing: xcen=942 ycen=15,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	137,129	1184
2796	0.17	137,129	1184

IRIS: Calib 14: Wobble (zero roll)

2026-08-28T15:11:33 to 2026-08-28T18:31:33

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

Program: Calib 14: Wobble (zero roll)

Target: QS

Pointing: xcen=-40 ycen=970,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	600

IRIS: Low-telemetry flare watch, AR 14517

2026-08-28T04:49:58 to 2026-08-28T07:50:25

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, AR 14517

Target: AR

Pointing: xcen=647 ycen=84,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	1160

IRIS: SST coordination, AR 14513

2026-08-27T08:01:39 to 2026-08-27T12:01:57

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: SST coordination, AR 14513

Target: AR

Pointing: xcen=325 ycen=-59,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	6328
2796	0.04	68,68	6328

IRIS: HOP 534: Flare Abundance Evolution with BBSO

2026-08-23T17:57:34 to 2026-08-23T22:29:57

Science Goal: Medium sparse 16-step raster 15x60 16s C II Si IV Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: HOP 534: Flare Abundance Evolution with BBSO

Target: AR

Pointing: xcen=-478 ycen=-35,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.21	75,69	1324
1400	0.21	75,69	1323
2796	0.21	75,69	1323

SOTSP: HOP541

2026-08-23T14:35:05 to 2026-08-23T15:07:27

Science Goal: [SOOP: Fast Wind] Solar wind origin regions in coronal holes

Program: Fast map, 164x164", 1-side, Q75, no repeat

Target: Coronal Hole

Pointing: xcen=-194 ycen=-213,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	161,162	510
6302A Velocity 6301.5A	0	161,162	510
6302A Transverse Flux Density	0	161,162	510
6302A Longitudinal Flux Density	0	161,162	510

IRIS: HOP 541: Fast Wind SOOP

2026-08-23T12:56:15 to 2026-08-23T17:31:04

Science Goal: Large sparse 64-step raster 63x120 64s Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: HOP 541: Fast Wind SOOP

Target: CH

Pointing: xcen=-190 ycen=-175,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	185,129	896
2796	0.31	185,129	896

IRIS: Low-telemetry Flare Watch of AR14513

2026-08-22T22:39:56 to 2026-08-22T23:49:47

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 of AR14513

Target: AR

Pointing: xcen=-671 ycen=-16,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	152
1400	0.46	62,69	152
2796	0.46	62,69	152

IRIS: HOP 542: AR Long Term SOOP with SST

2026-08-22T08:00:00 to 2026-08-22T12:00:54

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: HOP 542: AR Long Term SOOP with SST

Target: AR

Pointing: xcen=-729 ycen=-15,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	6344
2796	0.04	68,68	6344

AIA: null

2026-08-21T08:50:00 to 2026-08-21T10:34:42

Science Goal: ssw_service_260821_034534_23886

Program:

Target:

Pointing: xcen=0 ycen=0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
211	1.05	2,458,2,458	100
171	1.05	2,458,2,458	100
304	1.06	2,458,2,458	100
131	1.05	2,458,2,458	100
94	1.06	2,458,2,458	100
193	1.05	2,458,2,458	100

256848 matches
prev 1...14417 14418 14419 14420 14421 14422 14423 14424 [14425] 14426 ...17124 next