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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252794 matches
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IRIS: Flare study on AR 14336 (following Hinode)

2026-01-09T17:28:20 to 2026-01-09T18:26:21

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=-225 ycen=-111,

saaIntervals hiIntervals

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

IRIS: Flare study on AR 14336 (following Hinode)

2026-01-09T15:51:17 to 2026-01-09T16:49:00

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=-246 ycen=-116,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1520
2796	0.04	68,68	1520

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

2026-01-09T09:23:17 to 2026-01-09T10:21:00

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=154 ycen=-213,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1520
2796	0.04	68,68	1520

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

2026-01-08T13:50:05 to 2026-01-08T14:50:56

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: 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 on AR 14325 (follow Hinode)

2026-01-06T18:20:28 to 2026-01-06T19:18:05

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=949 ycen=-97,

saaIntervals hiIntervals

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

IRIS: Flare study on AR 14325/14323: Program C

2026-01-05T13:14:15 to 2026-01-05T14:10:34

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

Program: Flare study on AR 14325/14323: Program C

Target: AR

Pointing: xcen=796 ycen=-113,

saaIntervals hiIntervals

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

IRIS: SUIT/Aditya-L1 coordination on AR 14324 (follow Hinode)

2026-01-04T00:08:01 to 2026-01-04T01:00:22

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 14324 (follow Hinode)

Target: AR

Pointing: xcen=405 ycen=437,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	324
2796	0.16	65,68	324

IRIS: OBS with Full Spectral Readout (AR14317)

2025-12-30T11:44:22 to 2025-12-30T12:41:10

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=729 ycen=216,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.24	67,68	232
2832	0.24	67,68	232
2796	0.24	67,68	232

SOTSP: Synoptic

2025-12-27T18:39:42 to 2025-12-27T18:41:30

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

SOTSP: Synoptic

2025-12-26T18:07:43 to 2025-12-26T18:09:32

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 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: A1: QS monitoring

2025-12-21T04:38:34 to 2025-12-21T04:56:38

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=-2 ycen=-0,

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: High-cadence flare watch

2025-12-20T14:05:19 to 2025-12-20T14:05:46

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=-554 ycen=404,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	12
2796	0.04	68,68	12

252794 matches
prev 1...9409 9410 9411 9412 [9413] 9414 9415 9416 9417 9418 ...16853 next