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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255178 matches
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IRIS: BBSO coordination: jets in coronal holes

2026-08-06T17:38:28 to 2026-08-06T19:35:46

Science Goal: Small dense 4-step raster 1x30 4s Deep x 4 FUV spectrally rebinned x 2

Program: BBSO coordination: jets in coronal holes

Target: CH

Pointing: xcen=269 ycen=-454,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.34	62,65	345
2832	0.34	62,65	345
1400	0.34	62,65	345
2796	0.34	62,65	345

IRIS: Very high cadence rasters program, AR14498

2026-08-05T17:37:22 to 2026-08-05T18:30:31

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: Very high cadence rasters program, AR14498

Target: AR

Pointing: xcen=554 ycen=156,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1400
2796	0.04	68,68	1400

IRIS: High-cad flare study: AR 14500

2026-08-02T12:17:15 to 2026-08-02T17:51:25

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-cad flare study: AR 14500

Target: AR

Pointing: xcen=-135 ycen=188,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	8799
2796	0.04	68,68	8800

IRIS: SUIT/Aditya-L1 coordination

2026-07-23T23:59:34 to 2026-07-24T02:29:01

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

Target: AR

Pointing: xcen=-319 ycen=173,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	990
2796	0.15	65,68	990

IRIS: SUIT coordination

2026-07-17T00:09:32 to 2026-07-17T02:29:58

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

Program: SUIT coordination

Target: AR

Pointing: xcen=-425 ycen=-192,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	866
2796	0.16	65,68	866

IRIS: A1: QS monitoring

2026-07-14T04:21:04 to 2026-07-14T04:39:08

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=-36,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: Sit-and-stare flare study (AR14485)

2026-07-11T11:40:34 to 2026-07-11T13:29:56

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: Sit-and-stare flare study (AR14485)

Target: AR

Pointing: xcen=809 ycen=-203,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	238
1400	0.46	62,69	238
2796	0.46	62,69	238

IRIS: Sit-and-stare study of ribbons and hot plasma (AR14482)

2026-07-11T02:40:19 to 2026-07-11T03:58:09

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Sit-and-stare study of ribbons and hot plasma (AR14482)

Target: AR

Pointing: xcen=-7 ycen=-231,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	166
1400	0.47	61,67	166
2796	0.47	61,67	166

IRIS: High-cadence sit-and-stare flare ribbon spatial/temporal study (AR14482)

2026-07-10T11:39:06 to 2026-07-10T12:30:29

Science Goal: Large sit-and-stare 0.3x120 1s Si IV Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 10x faster

Program: High-cadence sit-and-stare flare ribbon spatial/temporal study (AR14482)

Target: AR

Pointing: xcen=-87 ycen=-201,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.03	120,129	1799

IRIS: A1: QS monitoring

2026-07-10T04:41:04 to 2026-07-10T04:59:08

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=124 ycen=-37,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: SST coordination raster flare study (AR14882)

2026-07-09T11:35:28 to 2026-07-09T14:50:03

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w Deep x 2 Spatial x 2, Spectral x 2

Program: SST coordination raster flare study (AR14882)

Target: AR

Pointing: xcen=-310 ycen=-206,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.21	137,129	932
1400	0.21	137,129	932
2796	0.21	137,129	932

IRIS: BBSO coordination, target 1

2026-07-07T17:28:16 to 2026-07-07T18:53:42

Science Goal: Large coarse 16-step raster 30x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2

Program: BBSO coordination, target 1

Target: FI

Pointing: xcen=-952 ycen=143,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	152,128	504
2796	0.17	152,128	504

IRIS: B2: QS tracking from limb to limb

2026-07-07T05:37:21 to 2026-07-07T05:46:57

Science Goal: Coarse synoptic raster 34x175 18s Deep x 30 SJI cadence 3x faster Lossless compression

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=-658 ycen=356,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

SOTSP: AR 14478 obs.

2026-07-06T07:56:04 to 2026-07-06T08:43:28

Science Goal: AR obs.

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

Target: Active Region

Pointing: xcen=892 ycen=-172,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	237,162	750
6302A Velocity 6301.5A	0	237,162	750
6302A Transverse Flux Density	0	237,162	750
6302A Longitudinal Flux Density	0	237,162	750

SOTSP: Synoptic

2026-07-03T18:10:15 to 2026-07-03T18:12:05

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

255178 matches
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