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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257278 matches
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IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-30T18:12:22 to 2025-12-30T18:47:46

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=769 ycen=224,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	216

IRIS: B!: AR tracking from limb to limb (AR14317)

2025-12-30T06:53:23 to 2025-12-30T07:11:28

Science Goal: Large coarse 64-step raster 126x120 64s Deep x 15 SJI cadence 3x faster Lossless compression

Program: B!: AR tracking from limb to limb (AR14317)

Target: AR

Pointing: xcen=711 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: Coronal Nanojets (AR14317)

2025-12-29T19:34:21 to 2025-12-29T20:30:41

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

Program: Coronal Nanojets (AR14317)

Target: AR

Pointing: xcen=616 ycen=231,

saaIntervals hiIntervals

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

IRIS: SUIT Coordination: Flare Catching Program (AR14317)

2025-12-26T01:02:16 to 2025-12-26T01:58:51

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=-132 ycen=228,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1396
2796	0.04	68,68	1396

IRIS: Flare Ribbon Spatial/Temporal Analysis Study

2025-12-25T16:57:14 to 2025-12-25T17:49:28

Science Goal: Small sit-and-stare 0.3x30 1s

Program: Flare Ribbon Spatial/Temporal Analysis Study

Target: AR

Pointing: xcen=-215 ycen=226,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.3	61,65	174
2832	0.3	61,65	174
1400	0.3	61,65	174
2796	0.3	61,65	174

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: Low-telemetry flare watch

2025-12-22T06:30:23 to 2025-12-22T07:26:26

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: Low-telemetry flare watch

Target: AR

Pointing: xcen=-505 ycen=348,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	122
1400	0.46	62,68	122
2796	0.46	62,68	122

IRIS: High-cadence flare watch

2025-12-20T04:50:51 to 2025-12-20T05:19:15

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

Target: AR

Pointing: xcen=-612 ycen=401,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	748
2796	0.04	68,68	748

SOTSP: HOP 412 17/20

2025-12-19T02:02:35 to 2025-12-19T02:18:43

Science Goal: Synoptic SOT Latitudinal Scans (updated version of HOP79)

Program: Normal map 30 arcsec, Shorter Irradiance: DO NOT MODIFY!

Target: Quiet Sun

Pointing: xcen=-21 ycen=613,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	60,129	190
6302A Velocity 6301.5A	0	60,129	190
6302A Transverse Flux Density	0	60,129	190
6302A Longitudinal Flux Density	0	60,129	190

IRIS: B2: QS tracking from limb to limb

2025-12-16T05:28:08 to 2025-12-16T05:37:44

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

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=675 ycen=417,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

IRIS: Flare watch program B, AR14296

2025-12-12T08:50:33 to 2025-12-12T09:46:49

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=921 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: A1: QS monitoring

2025-12-10T03:29:16 to 2025-12-10T03:47:20

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=-150 ycen=112,

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 watch program C, AR14296

2025-12-08T19:09:04 to 2025-12-08T20:05:11

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

Program: Flare watch program C, AR14296

Target: AR

Pointing: xcen=425 ycen=-244,

saaIntervals hiIntervals

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

IRIS: Flare watch program B, AR14294

2025-12-07T17:17:19 to 2025-12-07T18:13:07

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=465 ycen=-245,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	119
1400	0.47	61,66	119
2796	0.47	61,66	119

SOTSP: AR 14294 / AR 14296

2025-12-06T00:30:03 to 2025-12-06T01:17:27

Science Goal: Monitoring AR evolution

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

Target: Active Region

Pointing: xcen=-63 ycen=-290,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	235,162	744
6302A Velocity 6301.5A	0	235,162	744
6302A Transverse Flux Density	0	235,162	744
6302A Longitudinal Flux Density	0	235,162	744

257278 matches
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