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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249692 matches
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IRIS: B1: AR tracking from limb to limb (14387)

2026-03-19T05:03:08 to 2026-03-19T05:21:13

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

Program: B1: AR tracking from limb to limb (14387)

Target: AR

Pointing: xcen=900 ycen=189,

saaIntervals hiIntervals

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

IRIS: SUIT coordination (14395)

2026-03-18T00:09:24 to 2026-03-18T02:28:52

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 (14395)

Target: AR

Pointing: xcen=-207 ycen=25,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	924
2796	0.15	65,68	924

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: Calib 14: wobble (zero roll) #2

2026-03-17T13:38:42 to 2026-03-17T16:58:41

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

Program: Calib 14: wobble (zero roll) #2

Target: QS

Pointing: xcen=-39 ycen=969,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	599

IRIS: Calib 14: wobble (zero roll) #1

2026-03-17T10:09:10 to 2026-03-17T13:29:11

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

Program: Calib 14: wobble (zero roll) #1

Target: QS

Pointing: xcen=-919 ycen=-1,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	600

IRIS: High cadence flare obs. (AR4391)

2026-03-16T20:51:44 to 2026-03-17T00:06:54

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 SJI cadence 3x faster

Program: High cadence flare obs. (AR4391)

Target: AR

Pointing: xcen=498 ycen=205,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	5140
2796	0.04	68,68	5139

IRIS: Hot loops of AR4392

2026-03-16T16:52:52 to 2026-03-16T20:42:00

Science Goal: Large sparse 32-step raster 31x120 32s C II Si IV Mg II h/k Deep x 60 Spatial x 4, Spectral x 4 Lossless compression

Program: Hot loops of AR4392

Target: AR

Pointing: xcen=-355 ycen=-119,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	4.09	154,131	56
1400	4.09	154,131	56
2796	4.09	154,131	56

IRIS: A1:QS monitoring

2026-03-16T04:21:03 to 2026-03-16T04:39:06

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=48 ycen=56,

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

AIA: null

2026-03-14T23:28:00 to 2026-03-15T00:20:00

Science Goal: ssw_service_260314_170403_6127_ssmq_

Program:

Target:

Pointing: xcen=-792 ycen=2,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	0.75	600,550	70
211	0.75	600,550	70
171	0.75	600,550	70
1700	0.75	600,550	70
304	0.75	600,550	70
131	0.75	600,550	70
94	0.75	600,550	70
193	0.75	600,550	70

AIA: null

2026-03-14T08:00:05 to 2026-03-14T08:59:53

Science Goal: ssw_service_260316_185850_6984

Program:

Target:

Pointing: xcen=0 ycen=0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
193	5.44	2,458,2,458	12

AIA: null

2026-03-14T08:00:00 to 2026-03-14T17:04:54

Science Goal: ssw_service_260314_061003_7121_ssmq_

Program:

Target:

Pointing: xcen=950 ycen=160,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	5.61	500,500	98
211	5.61	500,500	98
171	5.56	500,500	99
1700	5.56	500,500	99
304	5.68	500,500	97
131	5.56	500,500	99
94	5.56	500,500	99
193	5.55	500,500	99

IRIS: C1:South Pole

2026-03-14T05:33:26 to 2026-03-14T06:07:36

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

Program: C1:South Pole

Target: QS

Pointing: xcen=3 ycen=-958,

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 ribbons (AR4393)

2026-03-14T02:48:36 to 2026-03-14T03:48:33

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

Program: Raster of ribbons (AR4393)

Target: AR

Pointing: xcen=-390 ycen=329,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	376

IRIS: Flare ribbon studies (AR4393)

2026-03-13T11:40:05 to 2026-03-13T13:40:59

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: Flare ribbon studies (AR4393)

Target: AR

Pointing: xcen=-483 ycen=328,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.03	120,128	4234

AIA: null

2026-03-12T20:00:00 to 2026-03-13T03:00:00

Science Goal: ssw_service_260313_020307_33647

Program:

Target:

Pointing: xcen=0 ycen=0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
211	8.57	2,458,2,458	50
171	8.57	2,458,2,458	50
304	8.57	2,458,2,458	50
131	8.57	2,458,2,458	50
94	8.57	2,458,2,458	50
193	8.57	2,458,2,458	50

249692 matches
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