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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252460 matches
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IRIS: High-cadence flare watch: AR 14353

2026-01-25T10:07:28 to 2026-01-25T11:09:05

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: AR 14353

Target: AR

Pointing: xcen=329 ycen=370,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1479
2796	0.04	68,68	1479

IRIS: BBSO coordination, AR14341

2026-01-19T18:20:01 to 2026-01-19T19:18:25

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=-162 ycen=-79,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	28
1400	0.35	133,130	168
2796	0.35	133,130	168

IRIS: Limb-to-limb tracking of AR 14341

2026-01-19T08:38:04 to 2026-01-19T09:27:01

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=-184 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

IRIS: Flare study on AR 14336 (following Hinode)

2026-01-11T09:53:12 to 2026-01-11T10:51:13

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: Flare study on AR 14336 (following Hinode)

Target: AR

Pointing: xcen=142 ycen=-103,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1528
2796	0.04	68,68	1528

IRIS: Flare study on AR 14334 (not following Hinode on AR 14336)

2026-01-09T14:14:21 to 2026-01-09T15:12:13

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: Flare study on AR 14334 (not following Hinode on AR 14336)

Target: AR

Pointing: xcen=197 ycen=-213,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1524
2796	0.04	68,68	1524

IRIS: Prominence monitoring SW limb (HOP 269 IRIS alone)

2026-01-08T10:36:05 to 2026-01-08T11:36:56

Science Goal: Very large coarse 32-step raster 62x175 32s Mg II h/k Deep x 15 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4 Lossless compression

Program: Prominence monitoring SW limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=647 ycen=-810,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	224

IRIS: SUIT/Aditya-L1 coordination, flare catching on AR 14334

2026-01-08T01:03:37 to 2026-01-08T02:01:17

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, flare catching on AR 14334

Target: AR

Pointing: xcen=-132 ycen=-199,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	382
2796	0.15	65,68	382

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

2026-01-06T10:15:25 to 2026-01-06T11:11:45

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

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

Target: AR

Pointing: xcen=929 ycen=-111,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	352

IRIS: Flare study on AR on AR 14324 (follow Hinode)

2026-01-06T00:33:14 to 2026-01-06T01:30:50

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Flare study on AR on AR 14324 (follow Hinode)

Target: AR

Pointing: xcen=718 ycen=422,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	360

SOTSP: AR 14324

2025-12-31T19:23:33 to 2025-12-31T19:33:00

Science Goal: Observe active regions

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

Target: Active Region

Pointing: xcen=-241 ycen=403,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	48,162	150
6302A Velocity 6301.5A	0	48,162	150
6302A Transverse Flux Density	0	48,162	150
6302A Longitudinal Flux Density	0	48,162	150

IRIS: Coronal Nanojets Program (AR14317)

2025-12-26T12:21:16 to 2025-12-26T12:35:17

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

Program: Coronal Nanojets Program (AR14317)

Target: AR

Pointing: xcen=-36 ycen=224,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	88

IRIS: Coronal Nanojets Program (AR14317)

2025-12-24T09:09:36 to 2025-12-24T09:32:39

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Coronal Nanojets Program (AR14317)

Target: AR

Pointing: xcen=-468 ycen=214,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	144

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

2025-12-20T15:42:08 to 2025-12-20T16:31:05

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=-599 ycen=360,

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: Flare wtach program C, AR14305

2025-12-15T13:38:39 to 2025-12-15T13:45:01

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

Program: Flare wtach program C, AR14305

Target: AR

Pointing: xcen=570 ycen=-401,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	40

IRIS: Limb AR watch / PSP coordination

2025-12-14T17:16:31 to 2025-12-14T18:21:34

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

Program: Limb AR watch / PSP coordination

Target: AR

Pointing: xcen=977 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	408

252460 matches
prev 1...9985 9986 9987 9988 [9989] 9990 9991 9992 9993 9994 ...16831 next