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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253489 matches
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IRIS: Limb-to-limb tracking of ARs IHOP 307

2026-06-21T02:48:10 to 2026-06-21T03:37:07

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

Program: Limb-to-limb tracking of ARs IHOP 307

Target: AR

Pointing: xcen=-217 ycen=82,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	80
2832	0.61	281,182	80
1400	0.61	281,182	80
2796	0.61	281,182	80

IRIS: SST coordination AR

2026-06-19T08:02:29 to 2026-06-19T12:01:42

Science Goal: Medium dense 32-step raster 10.24x60 32s Si IV Mg II h/k Mg II w Deep x 2 FUV spectrally rebinned x 2 SJI cadence 0.5x faster

Program: SST coordination AR

Target: AR

Pointing: xcen=-588 ycen=112,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.44	72,67	548
1400	0.44	72,67	547
2796	0.44	72,67	548

IRIS: B2: QS tracking from limb to limb

2026-06-16T04:49:14 to 2026-06-16T04:58:50

Science Goal: Coarse synoptic raster 34x175 18s Deep x 30 SJI cadence 3x faster Lossless compression

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=415 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	204,182	3
2832	3.2	204,182	3
1400	3.2	204,182	3
2796	3.2	204,182	3

IRIS: A1: QS monitoring

2026-06-16T04:20:04 to 2026-06-16T04:38:08

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=0 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: PSP coordination

2026-06-15T21:25:50 to 2026-06-15T21:41:54

Science Goal: Very large dense 320-step raster 105.3x175 320s Si IV Mg II h/k Deep x 2 Spatial x 2, Spectral x 2

Program: PSP coordination

Target: (NONE)

Pointing: xcen=359 ycen=184,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.2	280,182	80
2796	0.2	280,182	80

IRIS: PSP coordination

2026-06-13T19:30:18 to 2026-06-13T19:46:22

Science Goal: Very large dense 320-step raster 105.3x175 320s Si IV Mg II h/k Deep x 2 Spatial x 2, Spectral x 2

Program: PSP coordination

Target: (NONE)

Pointing: xcen=616 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.2	280,182	80
2796	0.2	280,182	80

SOTSP: Synoptic

2026-06-13T17:55:52 to 2026-06-13T17:57:41

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	49
6302A Velocity 6301.5A	0	16,162	49
6302A Transverse Flux Density	0	16,162	49
6302A Longitudinal Flux Density	0	16,162	49

SOTSP: AR 14455 obs

2026-06-07T00:53:50 to 2026-06-07T01:53:57

Science Goal: AR 14455 obs

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

Target: Active Region

Pointing: xcen=765 ycen=162,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	298,162	944
6302A Velocity 6301.5A	0	298,162	944
6302A Transverse Flux Density	0	298,162	944
6302A Longitudinal Flux Density	0	298,162	944

SOTSP: AR 14455 obs

2026-06-06T06:54:17 to 2026-06-06T07:54:58

Science Goal: AR 14455 obs

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

Target: Active Region

Pointing: xcen=675 ycen=163,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	301,162	955
6302A Velocity 6301.5A	0	301,162	955
6302A Transverse Flux Density	0	301,162	955
6302A Longitudinal Flux Density	0	301,162	955

IRIS: A1: QS monitoring

2026-05-31T03:35:39 to 2026-05-31T03:53:44

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=35 ycen=-0,

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

SOTSP: AR14446

2026-05-31T02:05:11 to 2026-05-31T03:07:27

Science Goal: AR14446

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

Target: Active Region

Pointing: xcen=246 ycen=-263,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	293,162	965
6302A Velocity 6301.5A	0	293,162	965
6302A Transverse Flux Density	0	293,162	965
6302A Longitudinal Flux Density	0	293,162	965

SOTSP: AR14446

2026-05-26T19:03:13 to 2026-05-26T20:06:59

Science Goal: AR14446

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

Target: Active Region

Pointing: xcen=-614 ycen=-259,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	320,162	1009
6302A Velocity 6301.5A	0	320,162	1009
6302A Transverse Flux Density	0	320,162	1009
6302A Longitudinal Flux Density	0	320,162	1009

SOTSP: HOP 529

2026-05-25T20:08:10 to 2026-05-25T20:59:31

Science Goal: Chromospheric Flare Precursors: Identifying Early Warning Signs

Program: Fast mode, summingxbinning, 20"x81.2", CCD-1side, repeats

Target: Active Region

Pointing: xcen=900 ycen=72,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	20,81	763
6302A Velocity 6301.5A	0	20,81	763
6302A Transverse Flux Density	0	20,81	763
6302A Longitudinal Flux Density	0	20,81	763

SOTSP: HOP 529

2026-05-23T17:26:07 to 2026-05-23T18:32:27

Science Goal: Chromospheric Flare Precursors: Identifying Early Warning Signs

Program: Fast mode, summingxbinning, 20"x81.2", CCD-1side, repeats

Target: Active Region

Pointing: xcen=827 ycen=84,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	21,81	996
6302A Velocity 6301.5A	0	21,81	996
6302A Transverse Flux Density	0	21,81	996
6302A Longitudinal Flux Density	0	21,81	996

EIS: AR synoptic studies - spectral atlas.

2026-05-21T11:27:41 to 2026-05-21T12:29:20

Science Goal:

Program:

Target:

Pointing: xcen=521 ycen=148,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXIII		120,160	null
FeX		120,160	null
OIV		120,160	null

253489 matches
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