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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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250516 matches
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IRIS: Flare study on AR 14325/14323 (follow Hinode)

2026-01-02T10:52:21 to 2026-01-02T11:48:26

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

Program: Flare study on AR 14325/14323 (follow Hinode)

Target: AR

Pointing: xcen=245 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	352

IRIS: Very High Cadence Raster on AR14317

2025-12-27T17:27:18 to 2025-12-27T18:24:03

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: Very High Cadence Raster on AR14317

Target: AR

Pointing: xcen=215 ycen=226,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1400
2796	0.04	68,68	1400

IRIS: Sit and Stare Studies of Hot Ribbons and Plasma (AR14317)

2025-12-26T22:03:17 to 2025-12-26T22:54:24

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 Studies of Hot Ribbons and Plasma (AR14317)

Target: AR

Pointing: xcen=61 ycen=222,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	109
1400	0.47	61,66	109
2796	0.47	61,66	109

IRIS: Very Low Datarate Flare Observing Program (AR14317)

2025-12-25T20:11:14 to 2025-12-25T21:07:45

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: Very Low Datarate Flare Observing Program (AR14317)

Target: AR

Pointing: xcen=-192 ycen=227,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	123
1400	0.46	62,68	123
2796	0.46	62,68	123

SOTSP: AR 14317

2025-12-24T16:38:28 to 2025-12-24T17:43:07

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-455 ycen=182,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	323,162	1021
6302A Velocity 6301.5A	0	323,162	1021
6302A Transverse Flux Density	0	323,162	1021
6302A Longitudinal Flux Density	0	323,162	1021

IRIS: Flare watch program B, AR14305

2025-12-15T20:54:54 to 2025-12-15T21:51:10

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, AR14305

Target: AR

Pointing: xcen=609 ycen=-401,

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: C1: South Pole

2025-12-13T07:29:01 to 2025-12-13T08:03:12

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

Program: C1: South Pole

Target: (NONE)

Pointing: xcen=6 ycen=-969,

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

SOTSP: Synoptic

2025-12-11T18:18:21 to 2025-12-11T18:20:10

Science Goal: Synoptic

Program: Synoptic Very Fast Map, 15"x162", 3 mins.

Target: Calibration, Synoptic

Pointing: xcen=0 ycen=7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	16,162	50
6302A Velocity 6301.5A	0	16,162	50
6302A Transverse Flux Density	0	16,162	50
6302A Longitudinal Flux Density	0	16,162	50

IRIS: Calib 13: Stellar HD144470 (Pointing 5)

2025-11-26T05:02:01 to 2025-11-26T05:29:59

Science Goal: Stellar_Cal_HD144470_2025_Pointing_5

Program: Calib 13: Stellar HD144470 (Pointing 5)

Target: (NONE)

Pointing: xcen=797 ycen=650,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	399,182	14
1400	2	399,182	14

IRIS: Equatorial coronal hole

2025-11-24T10:45:24 to 2025-11-24T11:42:18

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 4, Spectral x 4

Program: Equatorial coronal hole

Target: CH

Pointing: xcen=166 ycen=-82,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.15	230,182	376
1400	0.15	230,182	376
2796	0.15	230,182	376

IRIS: Coronal nanojets on east limb

2025-11-21T05:08:15 to 2025-11-21T06:05:38

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

Program: Coronal nanojets on east limb

Target: CJ

Pointing: xcen=-950 ycen=307,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	360

IRIS: SUIT coordination

2025-11-18T01:08:21 to 2025-11-18T02:07:11

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=-117 ycen=336,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1452
2796	0.04	68,68	1452

IRIS: Major Flare Watch (High cadence)

2025-11-12T20:37:40 to 2025-11-12T21:37:16

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: Major Flare Watch (High cadence)

Target: AR

Pointing: xcen=625 ycen=362,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	395
2796	0.15	65,68	395

IRIS: SUIT coordination

2025-11-12T01:13:20 to 2025-11-12T02:12:49

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=47 ycen=-344,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1468
2796	0.04	68,68	1468

IRIS: SUIT coordination

2025-11-09T02:04:08 to 2025-11-09T02:38:29

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=-83 ycen=351,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	848
2796	0.04	68,68	848

250516 matches
prev 1...10857 10858 10859 10860 [10861] 10862 10863 10864 10865 10866 ...16702 next