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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252475 matches
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IRIS: A1: QS monitoring

2026-01-25T05:16:24 to 2026-01-25T05:34:28

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: QS

Pointing: xcen=55 ycen=7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: Flare study on AR 14336 (following Hinode)

2026-01-09T20:42:20 to 2026-01-09T21:40:12

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: Flare study on AR 14336 (following Hinode)

Target: AR

Pointing: xcen=-196 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1524
2796	0.04	68,68	1524

IRIS: A1: QS monitoring near disk center

2026-01-09T07:46:23 to 2026-01-09T08:04:27

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 near disk center

Target: QS

Pointing: xcen=25 ycen=45,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	4.52	247,130	4
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: SUIT/Aditya-L1 coordination, flare catching on AR 14334

2026-01-08T01:03:37 to 2026-01-08T02:01:17

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, flare catching on AR 14334

Target: AR

Pointing: xcen=-132 ycen=-199,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	382
2796	0.15	65,68	382

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

2026-01-07T15:12:08 to 2026-01-07T16:18:43

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: C1: North Pole

2026-01-06T13:29:41 to 2026-01-06T14:03:52

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

Program: C1: North Pole

Target: CH

Pointing: xcen=-3 ycen=939,

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	2.29	295,182	15

IRIS: B2: QS tracking (limb-to-limb), at same mu angle as new AR 14336

2026-01-06T04:27:51 to 2026-01-06T04:37:27

Science Goal: Coarse synoptic raster 34x175 18s Deep x 30 SJI cadence 3x faster Lossless compression

Program: B2: QS tracking (limb-to-limb), at same mu angle as new AR 14336

Target: QS

Pointing: xcen=-862 ycen=140,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	204,182	3
2832	3.2	204,182	3
1400	3.2	204,182	3
2796	3.2	204,182	3

IRIS: Coronal Nanojets Program (AR14317)

2025-12-24T11:51:11 to 2025-12-24T12:47:31

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

Program: Coronal Nanojets Program (AR14317)

Target: AR

Pointing: xcen=-445 ycen=214,

saaIntervals hiIntervals

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

SOTSP: AR 14316

2025-12-23T16:30:06 to 2025-12-23T17:12:45

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-54 ycen=-136,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	213,129	675
6302A Velocity 6301.5A	0	213,129	675
6302A Transverse Flux Density	0	213,129	675
6302A Longitudinal Flux Density	0	213,129	675

SOTSP: AR 14312

2025-12-22T05:10:05 to 2025-12-22T06:14:45

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-364 ycen=323,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1021
6302A Velocity 6301.5A	0	322,162	1021
6302A Transverse Flux Density	0	322,162	1021
6302A Longitudinal Flux Density	0	322,162	1021

IRIS: High-cadence flare watch

2025-12-21T12:43:23 to 2025-12-21T13:39:44

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=-394 ycen=408,

saaIntervals hiIntervals

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

IRIS: High-cadence flare watch

2025-12-20T09:14:19 to 2025-12-20T10:10:40

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=-586 ycen=402,

saaIntervals hiIntervals

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

IRIS: SUIT/Aditya-L1 coordination

2025-12-20T01:09:27 to 2025-12-20T02:05:54

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

Program: SUIT/Aditya-L1 coordination

Target: AR

Pointing: xcen=-668 ycen=323,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	374
2796	0.15	65,68	374

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: SUIT/Aditya-L1 coordination disk-center 2/2

2025-12-19T02:31:14 to 2025-12-19T03:06:54

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

Program: SUIT/Aditya-L1 coordination disk-center 2/2

Target: AR

Pointing: xcen=200 ycen=83,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	34
1400	0.26	289,182	136
2796	0.26	289,182	136

252475 matches
prev 1...9873 9874 9875 9876 9877 9878 9879 9880 [9881] 9882 ...16832 next