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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249609 matches
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IRIS: B2: QS tracking from limb to limb

2026-03-21T23:20:09 to 2026-03-21T23:29:44

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=-566 ycen=179,

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: Raster of ribbons and hot plasma (14392)

2026-03-20T17:08:50 to 2026-03-20T19:58:29

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 (14392)

Target: AR

Pointing: xcen=483 ycen=-176,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1064

IRIS: Sit-and-stare study of ribbons and hot plasma (14391)

2026-03-17T22:39:22 to 2026-03-17T23:59:32

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 (14391)

Target: AR

Pointing: xcen=678 ycen=183,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	171
1400	0.47	61,67	171
2796	0.47	61,67	171

IRIS: C1:North `pole

2026-03-14T04:48:48 to 2026-03-14T05:22:58

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1:North `pole

Target: QS

Pointing: xcen=-10 ycen=966,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: Raster of hot ribbons (AR4393)

2026-03-13T13:54:37 to 2026-03-13T16:55:35

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

Program: Raster of hot ribbons (AR4393)

Target: AR

Pointing: xcen=-480 ycen=327,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1104

IRIS: SUIT coordination (unnamed AR)

2026-03-12T00:04:37 to 2026-03-12T03:18:35

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 (unnamed AR)

Target: AR

Pointing: xcen=-743 ycen=286,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	1285
2796	0.15	65,68	1285

IRIS: BBSO-PSP coordination

2026-03-11T21:42:25 to 2026-03-11T23:20:43

Science Goal: Very large dense 320-step raster 105.3x175 320s Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: BBSO-PSP coordination

Target: CH

Pointing: xcen=-176 ycen=95,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	281,182	320
2796	0.31	281,182	320

IRIS: A1:Qs monitoring

2026-03-11T04:20:05 to 2026-03-11T04:38:08

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=-32 ycen=-102,

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: B2: QS tracking

2026-03-10T04:59:25 to 2026-03-10T05:09:00

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

Program: B2: QS tracking

Target: QS

Pointing: xcen=-735 ycen=-197,

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: Hinode coordination (AR 14381)

2026-03-09T02:36:10 to 2026-03-09T06:11:06

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 SJI cadence 3x faster

Program: Hinode coordination (AR 14381)

Target: AR

Pointing: xcen=593 ycen=238,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	5660
2796	0.04	68,68	5660

IRIS: BBSO coordination (AR 14384)

2026-03-04T19:58:13 to 2026-03-04T23:58:03

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

Program: BBSO coordination (AR 14384)

Target: AR

Pointing: xcen=-600 ycen=247,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.24	135,129	194
1400	0.21	135,129	1164
2796	0.21	135,129	1164

IRIS: A1: QS monitoring

2026-03-04T04:20:05 to 2026-03-04T04:38:08

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=0 ycen=1,

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	15

HMI_CONT: null

2026-03-04T02:58:00 to 2026-03-04T04:15:00

Science Goal: ssw_service_260303_192804_42439_ssmq_blos_cont

Program:

Target:

Pointing: xcen=-783 ycen=236,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	1.11	600,450	70
211	1.11	600,450	70
171	1.11	600,450	70
cont	1.11	600,450	70
1700	1.11	600,450	70
304	1.11	600,450	70
131	1.11	600,450	70
94	1.12	600,450	70
193	1.11	600,450	70
blos	1.11	600,450	70

AIA: null

2026-03-03T00:00:00 to 2026-03-04T00:00:00

Science Goal: ssw_service_260319_085602_48605

Program:

Target:

Pointing: xcen=0 ycen=0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	62.6	2,458,2,458	24
211	62.6	2,458,2,458	24
171	62.6	2,458,2,458	24
cont	62.61	2,458,2,458	24
1700	62.57	2,458,2,458	24
304	62.6	2,458,2,458	24
1600	62.59	2,458,2,458	24
131	62.6	2,458,2,458	24
94	62.61	2,458,2,458	24
193	62.6	2,458,2,458	24
blos	62.61	2,458,2,458	24

AIA: null

2026-02-24T15:10:00 to 2026-02-24T17:28:17

Science Goal: ssw_service_260224_091553_40950_ssmq_

Program:

Target:

Pointing: xcen=-921 ycen=-293,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	1.75	600,450	80
211	1.75	600,450	80
171	1.75	600,450	80
1700	1.75	600,450	80
304	1.75	600,450	80
131	1.74	600,450	80
94	1.75	600,450	80
193	1.77	600,450	79

249609 matches
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