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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257278 matches
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IRIS: C1: North Pole

2026-05-02T04:48:36 to 2026-05-02T05:22:46

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1: North Pole

Target: QS

Pointing: xcen=14 ycen=945,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: IHOP 307 long-term AR evolution

2026-04-30T20:08:00 to 2026-04-30T20:56:56

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

Program: IHOP 307 long-term AR evolution

Target: AR

Pointing: xcen=842 ycen=290,

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	0.62	281,182	79

EIS: Synoptic/Comprehensive AR Studies

2026-04-30T15:00:22 to 2026-04-30T15:56:12

Science Goal: HPW021VEL001x512v2

Program:

Target:

Pointing: xcen=807 ycen=120,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXIII		2,512	null
FeXVI		2,512	null
SiX		2,512	null
SX		2,512	null
FeXXIV		2,512	null
SiVII		2,512	null
FeXI		2,512	null
FeXV		2,512	null
MgVII		2,512	null
CaXV		2,512	null
CaXVI		2,512	null
FeXII		2,512	null
FeIX		2,512	null
FeXIV		2,512	null

IRIS: IHOP 307 long-term AR evolution

2026-04-29T11:57:33 to 2026-04-29T12:46:29

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

Program: IHOP 307 long-term AR evolution

Target: AR

Pointing: xcen=723 ycen=308,

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: High-cadence flare watch

2026-04-26T04:48:25 to 2026-04-26T07:35:29

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=-234 ycen=-41,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	4396
2796	0.04	68,68	4397

IRIS: High-cadence flare watch

2026-04-22T02:51:25 to 2026-04-22T03:56:19

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 watch

Target: AR

Pointing: xcen=556 ycen=291,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,129	1600
2796	0.04	128,129	1599

IRIS: Coronal Nanojet Study of AR14416

2026-04-19T09:02:36 to 2026-04-19T11:58:38

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

Program: Coronal Nanojet Study of AR14416

Target: AR

Pointing: xcen=905 ycen=338,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1104

IRIS: High-cadence Flare Watch of AR14419

2026-04-19T05:45:23 to 2026-04-19T08:43:35

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 of AR14419

Target: AR

Pointing: xcen=22 ycen=303,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	4361
2796	0.04	68,68	4361

IRIS: C1: South Pole

2026-04-18T06:15:34 to 2026-04-18T06:49:44

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1: South Pole

Target: (NONE)

Pointing: xcen=8 ycen=-952,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: Low-telemetry Flare Watch of AR14419

2026-04-18T02:39:33 to 2026-04-18T03:57:56

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=-190 ycen=311,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	504

SOTSP: AR 14419

2026-04-16T15:46:05 to 2026-04-16T16:18:27

Science Goal: AR flare watch

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

Target: Active Region

Pointing: xcen=-525 ycen=253,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	162,162	512
6302A Velocity 6301.5A	0	162,162	512
6302A Transverse Flux Density	0	162,162	512
6302A Longitudinal Flux Density	0	162,162	512

IRIS: B2: QS Tracking from Limb to Limb

2026-04-16T05:01:00 to 2026-04-16T05:10:35

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=546 ycen=596,

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: SUIT Coordination, AR14414

2026-04-10T23:16:12 to 2026-04-11T03:55:29

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

Program: SUIT Coordination, AR14414

Target: AR

Pointing: xcen=-591 ycen=342,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	1850
2796	0.15	65,68	1850

SOTSP: AR14409

2026-04-10T06:15:06 to 2026-04-10T06:47:27

Science Goal: AR14409

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

Target: Active Region

Pointing: xcen=930 ycen=17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	162,162	512
6302A Velocity 6301.5A	0	162,162	512
6302A Transverse Flux Density	0	162,162	512
6302A Longitudinal Flux Density	0	162,162	512

IRIS: B2: QS tracking

2026-04-05T06:31:59 to 2026-04-05T06:41:35

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

Program: B2: QS tracking

Target: QS

Pointing: xcen=153 ycen=-343,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

257278 matches
prev 1...10849 10850 10851 10852 10853 10854 [10855] 10856 10857 10858 ...17152 next