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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252444 matches
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IRIS: High-cadence sit-and-stare flare study

2026-02-05T16:03:30 to 2026-02-05T17:09:48

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=239 ycen=334,

saaIntervals hiIntervals

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

IRIS: High-cadence flare study

2026-02-05T08:26:31 to 2026-02-05T09:04:48

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 study

Target: AR

Pointing: xcen=170 ycen=343,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1008
2796	0.04	68,68	1008

IRIS: Very high-cadence flare study

2026-02-03T09:06:14 to 2026-02-03T10:11:19

Science Goal: Large sparse 8-step raster 7x120 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 flare study

Target: AR

Pointing: xcen=-266 ycen=339,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,129	1590
2796	0.04	128,129	1591

IRIS: High-cadence rasters

2026-01-31T19:41:00 to 2026-01-31T20:45:15

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=-666 ycen=-332,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1692
2796	0.04	68,68	1692

IRIS: C1: South Pole

2026-01-31T05:08:11 to 2026-01-31T05:42:22

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

Program: C1: South Pole

Target: QS

Pointing: xcen=7 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: High-cadence rasters

2026-01-30T09:44:22 to 2026-01-30T10:47:51

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=853 ycen=-200,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1672
2796	0.04	68,68	1672

IRIS: High-cadence rasters

2026-01-29T06:43:34 to 2026-01-29T07:18:21

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=725 ycen=-178,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	916
2796	0.04	68,68	916

IRIS: SUIT coordination: AR 14353

2026-01-27T02:32:18 to 2026-01-27T02:55:41

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: AR 14353

Target: AR

Pointing: xcen=643 ycen=349,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	155
2796	0.15	65,68	155

IRIS: Coronal nanojets: AR 14341

2026-01-26T11:49:55 to 2026-01-26T13:00:21

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Coronal nanojets: AR 14341

Target: AR

Pointing: xcen=970 ycen=-204,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	440

IRIS: High-cadence flare watch: AR 14353

2026-01-25T08:30:29 to 2026-01-25T09:32:06

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: High-cadence flare watch: AR 14353

Target: AR

Pointing: xcen=318 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1520
2796	0.04	68,68	1520

IRIS: BBSO coordination: AR 14345

2026-01-23T22:33:37 to 2026-01-23T23:34:35

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 4 Spatial x 2, Spectral x 2

Program: BBSO coordination: AR 14345

Target: AR

Pointing: xcen=622 ycen=-181,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.69	137,130	89
1400	0.23	137,130	267
2796	0.17	137,130	356

IRIS: BBSO coordination: AR 14345

2026-01-22T20:41:46 to 2026-01-22T21:42:20

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 14345

Target: AR

Pointing: xcen=436 ycen=-171,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.24	135,130	49
1400	0.21	135,130	294
2796	0.21	135,130	294

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

2026-01-20T12:08:50 to 2026-01-20T13:07:30

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=966,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	176

IRIS: AR tracking from limb to limb, AR at SE

2026-01-16T06:17:19 to 2026-01-16T07:06:16

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 8 Spatial x 2, Spectral x 2

Program: AR tracking from limb to limb, AR at SE

Target: AR

Pointing: xcen=-761 ycen=-124,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	80
2832	0.61	281,182	80
1400	0.61	281,182	80
2796	0.61	281,182	80

IRIS: SUIT coordination, Flare watch, AR14336

2026-01-15T01:10:52 to 2026-01-15T01:56:55

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: SUIT coordination, Flare watch, AR14336

Target: AR

Pointing: xcen=787 ycen=-121,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1136
2796	0.04	68,68	1136

252444 matches
prev 1...12785 12786 12787 [12788] 12789 12790 12791 12792 12793 12794 ...16830 next