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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257288 matches
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SOTSP: AR 14355 obs.

2026-01-31T00:35:31 to 2026-01-31T01:40:12

Science Goal: AR 14355 obs.

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

Target: Active Region

Pointing: xcen=529 ycen=-195,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	324,162	1023
6302A Velocity 6301.5A	0	324,162	1023
6302A Transverse Flux Density	0	324,162	1023
6302A Longitudinal Flux Density	0	324,162	1023

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: BBSO coordination, AR14341

2026-01-20T18:34:53 to 2026-01-20T19:33:17

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 4 FUV spectrally rebinned x 4 SJI cadence 0.5x faster

Program: BBSO coordination, AR14341

Target: AR

Pointing: xcen=61 ycen=-75,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	28
1400	0.35	133,130	168
2796	0.35	133,130	168

IRIS: High-cadence flare study, AR14341

2026-01-18T10:00:10 to 2026-01-18T10:59:50

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=-406 ycen=-108,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1472
2796	0.04	68,68	1472

SOTSP: New AR SE Limb

2026-01-16T18:52:05 to 2026-01-16T19:39:29

Science Goal: active region observations

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

Target: Active Region

Pointing: xcen=-666 ycen=-136,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	236,162	748
6302A Velocity 6301.5A	0	236,162	748
6302A Transverse Flux Density	0	236,162	748
6302A Longitudinal Flux Density	0	236,162	748

SOTSP: HOP 412 N-S (6/20)

2026-01-15T15:08:06 to 2026-01-15T15:24:14

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=-477,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	59,129	190
6302A Velocity 6301.5A	0	59,129	190
6302A Transverse Flux Density	0	59,129	190
6302A Longitudinal Flux Density	0	59,129	190

SOTSP: Synoptic

2026-01-10T18:05:42 to 2026-01-10T18:07:32

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	15,162	49
6302A Velocity 6301.5A	0	15,162	49
6302A Transverse Flux Density	0	15,162	49
6302A Longitudinal Flux Density	0	15,162	49

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

2026-01-08T15:39:16 to 2026-01-08T16:31:25

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	192

IRIS: Flare study on AR 14325/14323: Program C

2026-01-05T13:14:15 to 2026-01-05T14:10:34

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

Program: Flare study on AR 14325/14323: Program C

Target: AR

Pointing: xcen=796 ycen=-113,

saaIntervals hiIntervals

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

IRIS: Flare study on AR 14325/14323: Program C

2026-01-05T11:37:16 to 2026-01-05T12:33:34

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

Program: Flare study on AR 14325/14323: Program C

Target: AR

Pointing: xcen=787 ycen=-112,

saaIntervals hiIntervals

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

IRIS: Flare study on AR 14325/14323 (follow Hinode)

2026-01-02T10:52:21 to 2026-01-02T11:48:26

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

Program: Flare study on AR 14325/14323 (follow Hinode)

Target: AR

Pointing: xcen=245 ycen=-109,

saaIntervals hiIntervals

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

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

2025-12-28T09:42:43 to 2025-12-28T10:34:02

Science Goal: Large sit-and-stare 0.3x120 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

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

Target: AR

Pointing: xcen=365 ycen=232,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	121,130	109
1400	0.47	121,130	109
2796	0.47	121,130	109

SOTSP: Synoptic

2025-12-21T18:44:13 to 2025-12-21T18:46:02

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

SOTSP: AR 14312

2025-12-21T16:40:05 to 2025-12-21T17:44:45

Science Goal: AR evolution

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

Target: Active Region

Pointing: xcen=-463 ycen=321,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	320,162	1018
6302A Velocity 6301.5A	0	320,162	1018
6302A Transverse Flux Density	0	320,162	1018
6302A Longitudinal Flux Density	0	320,162	1018

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

257288 matches
prev 1...6793 6794 6795 6796 [6797] 6798 6799 6800 6801 6802 ...17153 next