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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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IRIS: Flare study on AR on AR 14324 (follow Hinode)

2026-01-06T02:10:14 to 2026-01-06T03:06:33

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

Program: Flare study on AR on AR 14324 (follow Hinode)

Target: AR

Pointing: xcen=729 ycen=421,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	352

IRIS: SUIT Coordination: Flare Catching Program (AR14317)

2025-12-27T00:19:34 to 2025-12-27T00:36:54

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: SUIT Coordination: Flare Catching Program (AR14317)

Target: AR

Pointing: xcen=-112 ycen=212,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	428
2796	0.04	68,68	428

IRIS: Very Low Datarate Flare Observing Program (AR14317)

2025-12-25T21:48:15 to 2025-12-25T21:51:55

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=-171 ycen=228,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	8
1400	0.46	62,68	8
2796	0.46	62,68	8

IRIS: B1: AR tracking from limb to limb (AR14317)

2025-12-25T05:41:30 to 2025-12-25T05:59:36

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 (AR14317)

Target: AR

Pointing: xcen=-331 ycen=226,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	1.13	247,130	16
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: SUIT Coordination - Flare Catching Program

2025-12-24T00:34:13 to 2025-12-24T01:28:42

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 Catching Program

Target: AR

Pointing: xcen=76 ycen=-99,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.05	68,68	1186
2796	0.05	68,68	1186

IRIS: SUIT/Aditya-L1 coordination

2025-12-23T01:54:38 to 2025-12-23T02:31:55

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

Program: SUIT/Aditya-L1 coordination

Target: AR

Pointing: xcen=-90 ycen=419,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	247
2796	0.15	65,68	247

IRIS: Off-limb flare watch

2025-12-19T10:35:53 to 2025-12-19T11:32:00

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

Program: Off-limb flare watch

Target: AR

Pointing: xcen=950 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	351

IRIS: Off-limb flare watch

2025-12-18T05:29:48 to 2025-12-18T06:26:08

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=-937 ycen=293,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	352

IRIS: PSP coordination, AR14294

2025-12-12T23:14:20 to 2025-12-12T23:55:18

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

Program: PSP coordination, AR14294

Target: AR

Pointing: xcen=960 ycen=-245,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	256

IRIS: Calib 14: Wobble (Zero Roll)

2025-11-26T12:43:54 to 2025-11-26T13:49:54

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

Program: Calib 14: Wobble (Zero Roll)

Target: (NONE)

Pointing: xcen=-46 ycen=971,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	198

IRIS: Calib 13: Stellar HD144470 (Pointing 6)

2025-11-26T06:24:01 to 2025-11-26T06:49:59

Science Goal: Stellar_Cal_HD144470_2025_Pointing_6

Program: Calib 13: Stellar HD144470 (Pointing 6)

Target: (NONE)

Pointing: xcen=996 ycen=629,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	401,182	13
1400	2	401,182	13

IRIS: Calib 13: Stellar HD144470 (Pointing 1)

2025-11-25T19:15:01 to 2025-11-25T19:41:59

Science Goal: Stellar_Cal_HD144470_2025_Pointing_1

Program: Calib 13: Stellar HD144470 (Pointing 1)

Target: (NONE)

Pointing: xcen=-680 ycen=825,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	401,182	14
1400	2	401,182	13

IRIS: SUIT coordination

2025-11-22T02:09:36 to 2025-11-22T03:06:59

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=-250 ycen=-378,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1416
2796	0.04	68,68	1416

IRIS: Low-lying loops

2025-11-17T07:21:05 to 2025-11-17T08:19:57

Science Goal: Large coarse 4-step raster 6x120 4s Si IV Mg II h/k Deep x 8

Program: Low-lying loops

Target: LP

Pointing: xcen=-260 ycen=338,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	127,129	192
2796	0.31	127,129	192

IRIS: Low-lying loops

2025-11-17T05:43:57 to 2025-11-17T06:42:12

Science Goal: Large coarse 4-step raster 6x120 4s Si IV Mg II h/k Deep x 8

Program: Low-lying loops

Target: LP

Pointing: xcen=-272 ycen=340,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	127,129	190
2796	0.31	127,129	190

250245 matches
prev 1...10881 10882 10883 10884 10885 10886 10887 10888 [10889] 10890 ...16683 next