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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252697 matches
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IRIS: Prominence monitoring SW limb (HOP 269 IRIS alone)

2026-01-08T10:36:05 to 2026-01-08T11:36:56

Science Goal: Very large coarse 32-step raster 62x175 32s Mg II h/k Deep x 15 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4 Lossless compression

Program: Prominence monitoring SW limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=647 ycen=-810,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	224

IRIS: Flare study on AR 14325 at west limb (not following Hinode)

2026-01-07T13:35:08 to 2026-01-07T14:41:43

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

Program: Flare study on AR 14325 at west limb (not following Hinode)

Target: AR

Pointing: xcen=978 ycen=-132,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	416

IRIS: SUIT/Aditya-L1 coordination on AR 14325 (follow Hinode)

2026-01-07T04:02:40 to 2026-01-07T04:57:46

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 on AR 14325 (follow Hinode)

Target: AR

Pointing: xcen=967 ycen=-107,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	365
2796	0.15	65,68	365

IRIS: Flare study on AR on AR 14325 (follow Hinode)

2026-01-06T10:15:25 to 2026-01-06T11:11:45

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 14325 (follow Hinode)

Target: AR

Pointing: xcen=929 ycen=-111,

saaIntervals hiIntervals

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

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

SOTSP: AR 14317

2025-12-25T00:31:55 to 2025-12-25T01:36:35

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-389 ycen=184,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1020
6302A Velocity 6301.5A	0	322,162	1020
6302A Transverse Flux Density	0	322,162	1020
6302A Longitudinal Flux Density	0	322,162	1020

SOTSP: AR 14316

2025-12-23T23:01:08 to 2025-12-23T23:43:47

Science Goal: AR evolution

Program: Fast map, 216"x129", 1-side CCD

Target: Active Region

Pointing: xcen=7 ycen=-136,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	214,129	675
6302A Velocity 6301.5A	0	214,129	675
6302A Transverse Flux Density	0	214,129	675
6302A Longitudinal Flux Density	0	214,129	675

IRIS: A1: QS monitoring

2025-12-17T05:14:52 to 2025-12-17T05:32:56

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: AR

Pointing: xcen=-28 ycen=-0,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	195,130	10
2832	4.52	195,130	3
1400	1.13	195,130	10
2796	1.13	195,130	9

IRIS: Flare wtach program C, AR14305

2025-12-15T14:26:52 to 2025-12-15T15:22:59

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

Program: Flare wtach program C, AR14305

Target: AR

Pointing: xcen=568 ycen=-401,

saaIntervals hiIntervals

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

IRIS: SUIT coordination

2025-12-14T01:15:38 to 2025-12-14T02:09:45

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 4, Spectral x 4

Program: SUIT coordination

Target: AR

Pointing: xcen=314 ycen=-411,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.8	293,182	68
1400	0.2	293,182	272
2796	0.2	293,182	272

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: PSP coordination, AR14294

2025-12-12T18:23:19 to 2025-12-12T19:28:37

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=961 ycen=-246,

saaIntervals hiIntervals

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

SOTSP: AR 14294 / AR 14296

2025-12-07T07:00:03 to 2025-12-07T07:47:26

Science Goal: Monitoring AR evolution

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=208 ycen=-288,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	233,162	743
6302A Velocity 6301.5A	0	233,162	743
6302A Transverse Flux Density	0	233,162	743
6302A Longitudinal Flux Density	0	233,162	743

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: Equatorial coronal hole

2025-11-24T09:08:23 to 2025-11-24T10:05:17

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=150 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

252697 matches
prev 1...9713 9714 9715 [9716] 9717 9718 9719 9720 9721 9722 ...16847 next