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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255762 matches
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IRIS: High cadence flare watch, AR14409

2026-04-04T17:20:22 to 2026-04-04T20:00:54

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 watch, AR14409

Target: AR

Pointing: xcen=217 ycen=130,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	3960
2796	0.04	68,68	3960

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-30T14:08:09 to 2025-12-30T14:17:18

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 (AR14317)

Target: AR

Pointing: xcen=744 ycen=219,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	56

SOTSP: AR 14317

2025-12-29T22:31:40 to 2025-12-29T23:36:21

Science Goal: AR evolution

Program: Fast map, 328x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=629 ycen=185,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	315,162	1000
6302A Velocity 6301.5A	0	315,162	1000
6302A Transverse Flux Density	0	315,162	1000
6302A Longitudinal Flux Density	0	315,162	1000

IRIS: High-cadence flare watch

2025-12-19T08:59:14 to 2025-12-19T09:55:35

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 SJI cadence 3x faster

Program: High-cadence flare watch

Target: AR

Pointing: xcen=-758 ycen=316,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: Off-limb flare watch

2025-12-18T08:34:50 to 2025-12-18T09:40:08

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

Program: Off-limb flare watch

Target: AR

Pointing: xcen=-938 ycen=292,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	408

IRIS: Flare watch program B, AR14296

2025-12-12T07:13:33 to 2025-12-12T08:09:49

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: Flare watch program B, AR14296

Target: AR

Pointing: xcen=918 ycen=-252,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	120
1400	0.47	61,66	120
2796	0.47	61,66	120

IRIS: Flare watch program B, AR14294

2025-12-07T18:53:56 to 2025-12-07T19:50:12

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: Flare watch program B, AR14294

Target: AR

Pointing: xcen=474 ycen=-245,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	120
1400	0.47	61,66	120
2796	0.47	61,66	120

IRIS: Jitter test with loop open 1

2025-12-07T02:52:04 to 2025-12-07T03:22:04

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

Program: Jitter test with loop open 1

Target: AR

Pointing: xcen=-52 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	90

IRIS: High cadence flare watch, AR14299

2025-12-05T07:04:36 to 2025-12-05T08:01:15

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 flare watch, AR14299

Target: AR

Pointing: xcen=-424 ycen=376,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1492
2796	0.04	68,68	1492

IRIS: SUIT coordination, flare watch in AR14294

2025-12-04T01:58:33 to 2025-12-04T02:52:35

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, flare watch in AR14294

Target: AR

Pointing: xcen=-387 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	358
2796	0.15	65,68	358

IRIS: High cadence flare watch, unknown AR in NE

2025-12-02T06:47:22 to 2025-12-02T07:15:25

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, unknown AR in NE

Target: AR

Pointing: xcen=-813 ycen=365,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	692
2796	0.04	68,68	692

IRIS: Coronal Nanojet Study of AR14292

2025-11-30T09:01:58 to 2025-11-30T09:59:35

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

Program: Coronal Nanojet Study of AR14292

Target: AR

Pointing: xcen=947 ycen=-272,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	360

IRIS: SUIT coordination

2025-11-22T23:42:58 to 2025-11-23T00:08:24

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

Target: AR

Pointing: xcen=-711 ycen=268,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	628
2796	0.04	68,68	628

IRIS: High cadence flare study

2025-11-21T16:27:29 to 2025-11-21T17:24:07

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=878 ycen=-131,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1492
2796	0.04	68,68	1492

IRIS: Jets in coronal holes

2025-11-19T07:51:57 to 2025-11-19T08:50:27

Science Goal: Very large sparse 64-step raster 63x175 64s Si IV Mg II h/k Mg II w Deep x 0.5 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Jets in coronal holes

Target: CJ

Pointing: xcen=247 ycen=198,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.16	231,182	376
1400	0.16	231,182	376
2796	0.16	231,182	376

255762 matches
prev 1...5737 5738 5739 5740 5741 5742 [5743] 5744 5745 5746 ...17051 next