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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252510 matches
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IRIS: A1: QS monitoring

2026-01-21T04:19:16 to 2026-01-21T04:37:20

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=-38 ycen=46,

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: BBSO coordination, AR14341

2026-01-19T17:09:00 to 2026-01-19T17:42:22

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 4 FUV spectrally rebinned x 4 SJI cadence 0.5x faster

Program: BBSO coordination, AR14341

Target: AR

Pointing: xcen=-167 ycen=-76,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	16
1400	0.35	133,130	96
2796	0.35	133,130	96

IRIS: Limb-to-limb tracking of AR 14341

2026-01-19T07:02:00 to 2026-01-19T07:50:57

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 AR 14341

Target: AR

Pointing: xcen=-196 ycen=-105,

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

AIA: Cruiser Annotation

2026-01-18T16:29:54 to 2026-01-18T18:49:30

Science Goal: ssw_service_260119_101504_48475

Program: This flare was associated with a halo CME that was responsible for a huge radiation storm (>10 MeV protons probably exceeding 10000 pfu).

Target: FL: Flare

Pointing: xcen=-365 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
211	2.84	847,847	50
171	2.84	847,847	50
cont	2.85	847,847	50
304	2.91	847,847	49
131	2.84	847,847	50
94	2.84	847,847	50
193	2.84	847,847	50
blos	2.85	847,847	50

IRIS: A1: QS monitoring

2026-01-18T05:09:42 to 2026-01-18T05:27:46

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=-25 ycen=45,

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: AR tracking from limb to limb

2026-01-13T11:59:59 to 2026-01-13T12:49:39

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

Program: AR tracking from limb to limb

Target: AR

Pointing: xcen=526 ycen=-98,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.62	281,182	80
2832	0.62	281,182	80
1400	0.62	281,182	80
2796	0.62	281,182	80

IRIS: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

2026-01-12T11:45:04 to 2026-01-12T12:42:28

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

Program: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

Target: AR

Pointing: xcen=371 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	360

IRIS: SUIT/Aditya-L1 coordination on AR 14325 (follow Hinode)

2026-01-07T00:49:32 to 2026-01-07T01:45:50

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/Aditya-L1 coordination on AR 14325 (follow Hinode)

Target: AR

Pointing: xcen=965 ycen=-105,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	373
2796	0.15	65,68	373

IRIS: SUIT Coordination: Flare Catching Program (AR14317)

2025-12-27T01:17:17 to 2025-12-27T02:13:52

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: Flare Catching Program (AR14317)

Target: AR

Pointing: xcen=-103 ycen=210,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1396
2796	0.04	68,68	1396

SOTSP: Synoptic

2025-12-25T17:54:43 to 2025-12-25T17:56:33

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	50
6302A Velocity 6301.5A	0	16,162	50
6302A Transverse Flux Density	0	16,162	50
6302A Longitudinal Flux Density	0	16,162	50

IRIS: Coronal Nanojets (AR14317)

2025-12-25T10:29:13 to 2025-12-25T11:25:20

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=-264 ycen=225,

saaIntervals hiIntervals

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

SOTSP: AR 14317

2025-12-25T00:31:55 to 2025-12-25T01:36:35

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-389 ycen=184,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1020
6302A Velocity 6301.5A	0	322,162	1020
6302A Transverse Flux Density	0	322,162	1020
6302A Longitudinal Flux Density	0	322,162	1020

SOTSP: New AR obs.

2025-12-20T01:00:05 to 2025-12-20T01:47:29

Science Goal: Synoptic SOT Latitudinal Scans (updated version of HOP79)

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

Target: Active Region

Pointing: xcen=-729 ycen=312,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	749
6302A Velocity 6301.5A	0	236,162	749
6302A Transverse Flux Density	0	236,162	749
6302A Longitudinal Flux Density	0	236,162	749

SOTSP: HOP 412 17/20

2025-12-19T02:02:35 to 2025-12-19T02:18:43

Science Goal: Synoptic SOT Latitudinal Scans (updated version of HOP79)

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

Target: Quiet Sun

Pointing: xcen=-21 ycen=613,

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 16/20

2025-12-19T01:06:36 to 2025-12-19T01:22:44

Science Goal: Synoptic SOT Latitudinal Scans (updated version of HOP79)

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

Target: Quiet Sun

Pointing: xcen=-21 ycen=513,

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

252510 matches
prev 1...10681 10682 10683 [10684] 10685 10686 10687 10688 10689 10690 ...16834 next