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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257282 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)

2026-03-20T11:09:27 to 2026-03-20T13:59:06

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=498 ycen=-197,

saaIntervals hiIntervals

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

IRIS: Sit-and-stare study of ribbons and hot plasma (14393)

2026-03-17T19:38:14 to 2026-03-17T20:59:20

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 (14393)

Target: AR

Pointing: xcen=439 ycen=320,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	173
1400	0.47	61,67	173
2796	0.47	61,67	173

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: Off-limb flare (AR4384)

2026-03-14T13:29:34 to 2026-03-14T19:26:45

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

Program: Off-limb flare (AR4384)

Target: AR

Pointing: xcen=953 ycen=193,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	2239

IRIS: A1: QS monitoring

2026-03-08T04:06:51 to 2026-03-08T04:24:55

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=-1 ycen=43,

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: Stellar Calibration HD210424 #17

2026-02-19T17:20:01 to 2026-02-19T17:55:59

Science Goal: Stellar_Cal_HD210424_2026_Pointing_17

Program: Stellar Calibration HD210424 #17

Target: (NONE)

Pointing: xcen=906 ycen=-1003,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	407,182	18
1400	2	407,182	18

IRIS: BBSO coordination (after SolO)

2026-02-13T20:27:10 to 2026-02-13T20:51:02

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

Program: BBSO coordination (after SolO)

Target: AR

Pointing: xcen=400 ycen=254,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	158
2796	0.15	65,68	158

IRIS: SUIT coordination

2026-02-07T02:00:07 to 2026-02-07T02:59:36

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=460 ycen=353,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	394
2796	0.15	65,68	394

IRIS: High-cadence sit-and-stare flare study

2026-02-06T03:22:21 to 2026-02-06T04:28:39

Science Goal: High-Cadence Flare Program: .3 sec, small linelist, C II slow

Program: High-cadence sit-and-stare flare study

Target: AR

Pointing: xcen=279 ycen=368,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,68	483

IRIS: A1: QS monitoring

2026-02-04T04:29:50 to 2026-02-04T04:47:55

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=31 ycen=55,

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: High-cadence rasters

2026-01-29T11:06:36 to 2026-01-29T12:09:47

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 rasters

Target: AR

Pointing: xcen=746 ycen=-182,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1664
2796	0.04	68,68	1664

IRIS: Calib 14: Wobble (zero roll) #2

2026-01-20T16:48:56 to 2026-01-20T16:51:36

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

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

Target: (NONE)

Pointing: xcen=-45 ycen=964,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	8

AIA: null

2026-01-08T16:22:00 to 2026-01-08T18:10:29

Science Goal: ssw_service_260108_093654_16262_ssmq_

Program:

Target:

Pointing: xcen=-57 ycen=-256,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	1.46	600,450	75
211	1.46	600,450	75
171	1.46	600,450	75
1700	1.46	600,450	75
304	1.46	600,450	75
131	1.46	600,450	75
94	1.46	600,450	75
193	1.46	600,450	75

AIA: null

2026-01-01T00:00:09 to 2026-01-01T23:00:09

Science Goal: ssw_service_261019_053413_36092

Program:

Target:

Pointing: xcen=19 ycen=-20,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	62.73	2,343,2,266	23

257282 matches
prev 1...10377 10378 10379 10380 [10381] 10382 10383 10384 10385 10386 ...17153 next