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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257292 matches
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IRIS: High-cadence flare study, AR14341

2026-01-18T13:14:09 to 2026-01-18T14:13:59

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: High-cadence flare study, AR14341

Target: AR

Pointing: xcen=-382 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1476
2796	0.04	68,68	1476

SOTSP: HOP 412 N-S (7/20)

2026-01-15T15:31:06 to 2026-01-15T15:47:14

Science Goal: Synoptic SOT Latitudinal Scans (Updated Version of HOP 79)

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

Target: Central meridian

Pointing: xcen=-21 ycen=-377,

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: SUIT/Aditya-L1 coordination: flare caching on AR 14336 (following Hinode)

2026-01-12T05:17:19 to 2026-01-12T05:48:06

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 caching on AR 14336 (following Hinode)

Target: AR

Pointing: xcen=316 ycen=-100,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	204
2796	0.15	65,68	204

SOTSP: Synoptic

2026-01-09T17:43:13 to 2026-01-09T17:45:02

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

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

2026-01-08T20:35:56 to 2026-01-08T21:19:24

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=-809,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	160

IRIS: C1: South Pole

2026-01-06T15:07:31 to 2026-01-06T15:41:42

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

Program: C1: South Pole

Target: CH

Pointing: xcen=5 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	2.14	295,182	16

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

SOTSP: AR 14325

2026-01-03T10:20:03 to 2026-01-03T11:07:27

Science Goal: Observe active regions

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

Target: Active Region

Pointing: xcen=421 ycen=-136,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	237,162	749
6302A Velocity 6301.5A	0	237,162	749
6302A Transverse Flux Density	0	237,162	749
6302A Longitudinal Flux Density	0	237,162	749

SOTSP: Synoptic

2026-01-01T18:05:15 to 2026-01-01T18:07:04

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

IRIS: Sit and Stare Studies of Hot Ribbons and Plasma (AR14317)

2025-12-26T18:03:40 to 2025-12-26T18:08:49

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: Sit and Stare Studies of Hot Ribbons and Plasma (AR14317)

Target: AR

Pointing: xcen=28 ycen=219,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	11
1400	0.47	61,66	11
2796	0.47	61,66	11

SOTSP: AR 14312

2025-12-21T08:03:03 to 2025-12-21T09:07:43

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-528 ycen=319,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	323,162	1023
6302A Velocity 6301.5A	0	323,162	1023
6302A Transverse Flux Density	0	323,162	1023
6302A Longitudinal Flux Density	0	323,162	1023

IRIS: Low-telemetry flare watch

2025-12-19T18:41:04 to 2025-12-19T19:37:07

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=340 ycen=63,

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

SOTSP: Track AR14307

2025-12-17T09:00:05 to 2025-12-17T09:32:27

Science Goal: Track AR

Program: Fast map, 164x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=834 ycen=-266,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	161,162	509
6302A Velocity 6301.5A	0	161,162	509
6302A Transverse Flux Density	0	161,162	509
6302A Longitudinal Flux Density	0	161,162	509

IRIS: SUIT/Aditya-L1 coordinatio

2025-12-17T02:01:14 to 2025-12-17T02:29:17

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 coordinatio

Target: AR

Pointing: xcen=-43 ycen=138,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	173
2796	0.16	65,68	173

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

257292 matches
prev 1...6849 6850 [6851] 6852 6853 6854 6855 6856 6857 6858 ...17153 next