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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247420 matches
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IRIS: High-cadence flare study, AR14341

2026-01-17T21:04:14 to 2026-01-17T21:40:04

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 study, AR14341

Target: AR

Pointing: xcen=-464 ycen=-185,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	70,66	944
2796	0.04	70,66	944

SOTSP: Synoptic

2025-12-26T18:07:43 to 2025-12-26T18:09:32

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

SOTSP: Synoptic

2025-12-24T18:41:43 to 2025-12-24T18:43:31

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

SOTSP: AR 14316

2025-12-24T05:00:05 to 2025-12-24T05:42:44

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=63 ycen=-135,

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

SOTSP: AR 14312

2025-12-22T11:30:05 to 2025-12-22T12:34:44

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-311 ycen=324,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	319,162	1011
6302A Velocity 6301.5A	0	319,162	1011
6302A Transverse Flux Density	0	319,162	1011
6302A Longitudinal Flux Density	0	319,162	1011

SOTSP: New AR obs.

2025-12-20T01:00:05 to 2025-12-20T01:47:29

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

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

Target: Active Region

Pointing: xcen=-729 ycen=312,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	749
6302A Velocity 6301.5A	0	236,162	749
6302A Transverse Flux Density	0	236,162	749
6302A Longitudinal Flux Density	0	236,162	749

SOTSP: New AR obs.

2025-12-19T18:51:15 to 2025-12-19T19:38:39

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

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

Target: Active Region

Pointing: xcen=-762 ycen=311,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	750
6302A Velocity 6301.5A	0	236,162	750
6302A Transverse Flux Density	0	236,162	750
6302A Longitudinal Flux Density	0	236,162	750

SOTSP: Synoptic

2025-12-19T05:38:10 to 2025-12-19T05:39:59

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

SOTSP: HOP 412 18/20

2025-12-19T02:44:36 to 2025-12-19T03:00:44

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=713,

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

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

SOTSP: HOP 412 9/20

2025-12-18T18:57:06 to 2025-12-18T19:13:13

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=-177,

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

SOTSP: Track AR 14303 (may update)

2025-12-15T14:30:02 to 2025-12-15T15:17:26

Science Goal: Active region structure

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

Target: Active Region

Pointing: xcen=603 ycen=-471,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	750
6302A Velocity 6301.5A	0	236,162	750
6302A Transverse Flux Density	0	236,162	750
6302A Longitudinal Flux Density	0	236,162	750

SOTSP: Track AR 14303 (may update)

2025-12-15T09:30:02 to 2025-12-15T10:17:26

Science Goal: Active region structure

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

Target: Active Region

Pointing: xcen=574 ycen=-471,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	234,162	749
6302A Velocity 6301.5A	0	234,162	749
6302A Transverse Flux Density	0	234,162	749
6302A Longitudinal Flux Density	0	234,162	749

SOTSP: Track AR 14303 (may update)

2025-12-14T10:40:03 to 2025-12-14T11:27:27

Science Goal: Active region structure

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

Target: Active Region

Pointing: xcen=428 ycen=-470,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	235,162	746
6302A Velocity 6301.5A	0	235,162	746
6302A Transverse Flux Density	0	235,162	746
6302A Longitudinal Flux Density	0	235,162	746

SOTSP: Track AR 14303 (may update)

2025-12-14T09:05:03 to 2025-12-14T09:52:28

Science Goal: Active region structure

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

Target: Active Region

Pointing: xcen=417 ycen=-470,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	747
6302A Velocity 6301.5A	0	236,162	747
6302A Transverse Flux Density	0	236,162	747
6302A Longitudinal Flux Density	0	236,162	747

247420 matches
prev 1...16489 16490 16491 16492 [16493] 16494 16495 next