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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257288 matches
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IRIS: High-cadence flare rasters

2026-01-27T15:28:01 to 2026-01-27T15:39:51

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 rasters

Target: AR

Pointing: xcen=439 ycen=-167,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	312
2796	0.04	68,68	312

IRIS: A1: QS monitoring

2026-01-22T04:32:16 to 2026-01-22T04:50:20

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=172 ycen=-70,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: SUIT ccorindation, AR14341

2026-01-21T02:39:51 to 2026-01-21T03:03:31

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 ccorindation, AR14341

Target: AR

Pointing: xcen=189 ycen=-101,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	584
2796	0.04	68,68	584

SOTSP: AR 14341

2026-01-18T11:23:05 to 2026-01-18T12:10:29

Science Goal: Flaring AR

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: AR 14341

Pointing: xcen=-397 ycen=-135,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	237,162	749
6302A Velocity 6301.5A	0	237,162	749
6302A Transverse Flux Density	0	237,162	749
6302A Longitudinal Flux Density	0	237,162	749

SOTSP: null

2026-01-17T23:38:36 to 2026-01-17T23:45:54

Science Goal:

Program:

Target:

Pointing: xcen=-497 ycen=-140,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	63,122	200
6302A Velocity 6301.5A	0	63,122	200
6302A Transverse Flux Density	0	63,122	200
6302A Longitudinal Flux Density	0	63,122	200

SOTSP: HOP 412 N-S (19/20)

2026-01-15T22:02:06 to 2026-01-15T22:18:13

Science Goal: Synoptic SOT Latitudinal Scans (Updated Version of HOP 79)

Program: Normal map 30 arcsec, Shorter Irradiance: DO NOT MODIFY!

Target: Central meridian

Pointing: xcen=-21 ycen=813,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	60,129	190
6302A Velocity 6301.5A	0	60,129	190
6302A Transverse Flux Density	0	60,129	190
6302A Longitudinal Flux Density	0	60,129	190

SOTSP: HOP 412 N-S (3/20)

2026-01-15T13:59:06 to 2026-01-15T14:15:14

Science Goal: Synoptic SOT Latitudinal Scans (Updated Version of HOP 79)

Program: Normal map 30 arcsec, Shorter Irradiance: DO NOT MODIFY!

Target: Central meridian

Pointing: xcen=-21 ycen=-777,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	59,129	187
6302A Velocity 6301.5A	0	59,129	187
6302A Transverse Flux Density	0	59,129	187
6302A Longitudinal Flux Density	0	59,129	187

SOTSP: AR 14336 (Sunspot)

2026-01-13T18:55:46 to 2026-01-13T19:43:09

Science Goal: Active Region Observations

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=556 ycen=-135,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	747
6302A Velocity 6301.5A	0	236,162	747
6302A Transverse Flux Density	0	236,162	747
6302A Longitudinal Flux Density	0	236,162	747

SOTSP: AR14336

2026-01-11T11:05:05 to 2026-01-11T12:09:44

Science Goal: AR14336

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

Target: Active Region

Pointing: xcen=79 ycen=-124,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	317,162	1016
6302A Velocity 6301.5A	0	317,162	1016
6302A Transverse Flux Density	0	317,162	1016
6302A Longitudinal Flux Density	0	317,162	1016

IRIS: SUIT/Aditya-L1 coordination on near-disk-center AR 14334

2026-01-09T02:55:33 to 2026-01-09T03:52:12

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 on near-disk-center AR 14334

Target: AR

Pointing: xcen=88 ycen=-209,

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: A1: QS monitoring near disk center

2026-01-07T18:42:58 to 2026-01-07T19:01:02

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 near disk center

Target: QS

Pointing: xcen=-16 ycen=48,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: Flare study on AR 14325/14323 (follow Hinode)

2026-01-02T14:06:20 to 2026-01-02T15:02:26

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

Program: Flare study on AR 14325/14323 (follow Hinode)

Target: AR

Pointing: xcen=272 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	352

SOTSP: AR 14325

2026-01-02T06:30:28 to 2026-01-02T07:17:53

Science Goal: Observe active regions

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=175 ycen=-133,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	232,162	739
6302A Velocity 6301.5A	0	232,162	739
6302A Transverse Flux Density	0	232,162	739
6302A Longitudinal Flux Density	0	232,162	739

SOTSP: AR 14324

2026-01-02T03:00:04 to 2026-01-02T03:32:25

Science Goal: Observe active regions

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

Target: Active Region

Pointing: xcen=14 ycen=407,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	159,162	508
6302A Velocity 6301.5A	0	159,162	508
6302A Transverse Flux Density	0	159,162	508
6302A Longitudinal Flux Density	0	159,162	508

IRIS: OBS with Full Spectral Readout (AR14317)

2025-12-30T10:11:32 to 2025-12-30T11:04:09

Science Goal: Medium coarse 4-step raster 6x60 4s C II Mg II h/k Mg II w Deep x 2 Spatial x 2, Spectral x 1

Program: OBS with Full Spectral Readout (AR14317)

Target: AR

Pointing: xcen=721 ycen=216,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.24	67,68	215
2832	0.24	67,68	215
2796	0.24	67,68	215

257288 matches
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