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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249740 matches
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IRIS: Flare study on AR 14325/14323: Program C

2026-01-05T16:28:15 to 2026-01-05T17:24:34

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=819 ycen=-114,

saaIntervals hiIntervals

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

IRIS: B1: AR tracking (limb-to-limb), on AR 14317

2026-01-01T09:00:13 to 2026-01-01T09:18:17

Science Goal: Large coarse 64-step raster 126x120 64s Deep x 15 SJI cadence 3x faster Lossless compression

Program: B1: AR tracking (limb-to-limb), on AR 14317

Target: AR

Pointing: xcen=925 ycen=218,

saaIntervals hiIntervals

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

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

2025-12-31T08:36:23 to 2025-12-31T09:37:14

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 SE limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=-530 ycen=-848,

saaIntervals hiIntervals

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

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-30T14:58:22 to 2025-12-30T15:54:45

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

Program: Raster of Ribbons and Hot Plasma (AR14317)

Target: AR

Pointing: xcen=753 ycen=225,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	344

IRIS: Very High Cadence Raster on AR14317

2025-12-27T20:41:18 to 2025-12-27T21:10:58

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: Very High Cadence Raster on AR14317

Target: AR

Pointing: xcen=248 ycen=229,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	732
2796	0.04	68,68	732

IRIS: A1: QS Monitoring

2025-12-24T05:26:01 to 2025-12-24T05:44:05

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=-348 ycen=64,

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: Wobble Calibration Pointing #2

2025-12-23T21:09:11 to 2025-12-23T22:14:51

Science Goal: SJI MgII w, 1x1, 10s exp, 20s cadence, for wobble calibration

Program: Wobble Calibration Pointing #2

Target: QS

Pointing: xcen=-45 ycen=964,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	197

IRIS: Sit and stare studies of hot plasma (AR14317)

2025-12-23T10:19:15 to 2025-12-23T10:55:31

Science Goal: Large sit-and-stare 0.3x120 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Sit and stare studies of hot plasma (AR14317)

Target: AR

Pointing: xcen=-658 ycen=215,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.48	121,130	75
1400	0.48	121,130	75
2796	0.48	121,130	75

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

2025-12-21T19:11:13 to 2025-12-21T20:00:19

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

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

Target: AR

Pointing: xcen=-380 ycen=354,

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

2025-12-19T04:35:46 to 2025-12-19T05:04:10

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=-778 ycen=317,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	748
2796	0.04	68,68	748

IRIS: High-cadence flare watch

2025-12-17T21:25:08 to 2025-12-17T22:21:29

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=905 ycen=-242,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: High-cadence flare watch

2025-12-17T11:43:06 to 2025-12-17T12:11:02

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=1241 ycen=-230,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	735
2796	0.04	68,68	736

IRIS: SUIT/Aditya-L1 coordinatio

2025-12-17T02:01:14 to 2025-12-17T02:29:17

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 coordinatio

Target: AR

Pointing: xcen=-43 ycen=138,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	173
2796	0.16	65,68	173

IRIS: High-cadence flare watch

2025-12-16T08:13:59 to 2025-12-16T09:10:18

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=742 ycen=-225,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,130	1388
2796	0.04	128,130	1388

IRIS: A1: QS monitoring

2025-12-16T05:00:16 to 2025-12-16T05:18:20

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=-2 ycen=1,

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

249740 matches
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