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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256700 matches
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IRIS: B2: QS tracking from limb to limb

2026-09-06T05:06:58 to 2026-09-06T05:16:34

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=-615 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	204,182	3
2832	3.2	204,182	3
1400	3.2	204,182	3
2796	3.2	204,182	3

IRIS: Dense mosaic (pointing 16)

2026-09-02T22:31:41 to 2026-09-02T23:33:03

Science Goal: Very large dense 400-step raster 131.7x175 400s Deep x 8 Spatial x 2, Spectral x 2

Program: Dense mosaic (pointing 16)

Target: AR

Pointing: xcen=-530 ycen=-257,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	309,182	100
2832	0.61	309,182	100
1400	0.61	309,182	100
2796	0.61	309,182	100

IRIS: Dense mosaic (pointing 4)

2026-09-02T08:18:41 to 2026-09-02T09:20:03

Science Goal: Very large dense 400-step raster 131.7x175 400s Deep x 8 Spatial x 2, Spectral x 2

Program: Dense mosaic (pointing 4)

Target: AR

Pointing: xcen=-909 ycen=256,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	309,182	100
2832	0.61	309,182	100
1400	0.61	309,182	100
2796	0.61	309,182	100

IRIS: High-cadence flare raster (AR 14520)

2026-09-02T02:41:13 to 2026-09-02T03:58:05

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 raster (AR 14520)

Target: AR

Pointing: xcen=337 ycen=-311,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1896
2796	0.04	68,68	1896

IRIS: SUIT coordination, disk center AR program (AR 14520)

2026-09-02T01:39:05 to 2026-09-02T02:31:32

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Spatial x 4, Spectral x 4

Program: SUIT coordination, disk center AR program (AR 14520)

Target: AR

Pointing: xcen=318 ycen=-309,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	50
1400	0.26	289,182	200
2796	0.26	289,182	200

IRIS: Solar Orbiter, Coordinated calibration SOOP

2026-08-28T21:51:08 to 2026-08-29T01:14:50

Science Goal: Large sparse 16-step raster 15x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Solar Orbiter, Coordinated calibration SOOP

Target: AR

Pointing: xcen=942 ycen=15,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	137,129	1184
2796	0.17	137,129	1184

IRIS: SUIT/Aditya coordination, AR 14513

2026-08-28T00:01:39 to 2026-08-28T02:31:06

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 coordination, AR 14513

Target: AR

Pointing: xcen=461 ycen=-61,

saaIntervals hiIntervals

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

IRIS: Solar Orbiter coordination, Fast Wind

2026-08-26T03:30:21 to 2026-08-26T03:55:04

Science Goal: Very large sparse 2-step raster 1x175 2s Si IV Deep x 8 Spatial x 2, Spectral x 2

Program: Solar Orbiter coordination, Fast Wind

Target: CH

Pointing: xcen=350 ycen=-197,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.16	167,182	158

IRIS: SUIT/Aditya-L1 Coordination: Disk-center AR Program

2026-08-25T01:30:00 to 2026-08-25T02:30:29

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 4, Spectral x 4

Program: SUIT/Aditya-L1 Coordination: Disk-center AR Program

Target: AR

Pointing: xcen=-202 ycen=-30,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.8	293,182	76
1400	0.2	293,182	304
2796	0.2	293,182	304

IRIS: SUIT/Aditya-L1 Coordination

2026-08-24T00:00:00 to 2026-08-24T02:29:54

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=-413 ycen=-38,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	993
2796	0.15	65,68	993

SOTSP: HOP541

2026-08-23T14:35:05 to 2026-08-23T15:07:27

Science Goal: [SOOP: Fast Wind] Solar wind origin regions in coronal holes

Program: Fast map, 164x164", 1-side, Q75, no repeat

Target: Coronal Hole

Pointing: xcen=-194 ycen=-213,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	161,162	510
6302A Velocity 6301.5A	0	161,162	510
6302A Transverse Flux Density	0	161,162	510
6302A Longitudinal Flux Density	0	161,162	510

IRIS: Low-telemetry Flare Watch of AR14513

2026-08-22T22:39:56 to 2026-08-22T23:49:47

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: Low-telemetry Flare Watch of AR14513

Target: AR

Pointing: xcen=-671 ycen=-16,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	152
1400	0.46	62,69	152
2796	0.46	62,69	152

IRIS: SolO Coord: HRT Flat with pVSTP SOOP

2026-08-21T14:56:20 to 2026-08-21T16:25:47

Science Goal: Large sparse 16-step raster 15x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: SolO Coord: HRT Flat with pVSTP SOOP

Target: QS

Pointing: xcen=-587 ycen=-209,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	137,129	520
2796	0.17	137,129	520

AIA: null

2026-08-19T12:00:00 to 2026-08-20T12:00:00

Science Goal: ssw_service_260903_211008_22367

Program:

Target:

Pointing: xcen=-878 ycen=24,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	3.01	538,537	480
211	3.01	538,537	480
171	3.01	538,537	480
cont	6.03	538,537	240
1700	3	538,537	480
304	3.01	538,537	480
1600	3.01	538,537	480
131	3.01	538,537	480
94	3.01	538,537	480
193	3.01	538,537	480
blos	6.03	538,537	240

AIA: null

2026-08-19T11:00:00 to 2026-08-20T08:45:00

Science Goal: ssw_service_260819_120957_30123_ssmq__ssmq_blos_cont_ssmq_

Program:

Target:

Pointing: xcen=-944 ycen=23,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	15	600,450	88
211	15	600,450	88
171	15	600,450	88
cont	14.98	600,450	85
1700	14.99	600,450	88
304	15	600,450	88
131	15	600,450	88
94	15	600,450	88
193	15	600,450	88
blos	14.97	600,450	85

256700 matches
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