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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252563 matches
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TRACE: EMERG FLUX

2000-02-10T03:40:27 to 2000-02-11T00:04:53

Science Goal: SCIPLAN_EMERG_FLUX

Program:

Target:

Pointing: xcen=-362 ycen=305,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

IRIS: BBSO coordination, AR 14363

2026-02-02T18:33:19 to 2026-02-02T19:37:59

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, AR 14363

Target: AR

Pointing: xcen=-375 ycen=-332,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	134,129	31
1400	0.35	134,129	186
2796	0.35	134,129	186

IRIS: Proba-3/ASPIICS coordination

2026-01-30T01:30:08 to 2026-01-30T02:35:27

Science Goal: Very large sparse 96-step raster 95x175 96s C II Si IV Mg II h/k Mg II w s Deep x 4 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Proba-3/ASPIICS coordination

Target: AR

Pointing: xcen=876 ycen=485,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.27	264,182	240
2832	1.36	264,182	48
1400	0.27	264,182	240
2796	0.27	264,182	240

IRIS: Low-telem flare watch: AR 14353

2026-01-25T21:26:20 to 2026-01-25T22:27:46

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: Low-telem flare watch: AR 14353

Target: AR

Pointing: xcen=424 ycen=369,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	131
1400	0.47	61,66	131
2796	0.47	61,66	131

IRIS: AR tracking/HOP 307: AR 14341

2026-01-24T11:29:35 to 2026-01-24T12:18:32

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 8 Spatial x 2, Spectral x 2

Program: AR tracking/HOP 307: AR 14341

Target: AR

Pointing: xcen=759 ycen=-166,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	80
2832	0.61	281,182	80
1400	0.61	281,182	80
2796	0.61	281,182	80

IRIS: Low-telem flare watch: AR 14341

2026-01-23T14:28:45 to 2026-01-23T15:28:42

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

Program: Low-telem flare watch: AR 14341

Target: AR

Pointing: xcen=616 ycen=-159,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	376

IRIS: Low-telem flare watch: AR 14341

2026-01-23T12:51:45 to 2026-01-23T13:51:42

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

Program: Low-telem flare watch: AR 14341

Target: AR

Pointing: xcen=601 ycen=-161,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	376

IRIS: Low-telem flare watch: AR 14341

2026-01-21T13:59:05 to 2026-01-21T14:59:34

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: Low-telem flare watch: AR 14341

Target: AR

Pointing: xcen=238 ycen=-144,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	129
1400	0.47	61,66	129
2796	0.47	61,66	129

IRIS: High-cadence flare watch: AR 14341

2026-01-21T04:50:01 to 2026-01-21T05:17:12

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: High-cadence flare watch: AR 14341

Target: AR

Pointing: xcen=138 ycen=-144,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	716
2796	0.04	68,68	716

AIA: null

2026-01-17T23:06:00 to 2026-01-18T01:02:00

Science Goal: ssw_service_260117_160653_43955_ssmq__ssmq_blos_cont

Program:

Target:

Pointing: xcen=-488 ycen=-100,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	2.36	600,450	50
211	2.36	600,450	50
171	2.36	600,450	50
cont	2.36	600,450	50
1700	2.36	600,450	50
304	2.36	600,450	50
131	2.36	600,450	50
94	2.37	600,450	50
193	2.36	600,450	50
blos	2.36	600,450	50

IRIS: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

2026-01-12T13:22:04 to 2026-01-12T14:19:28

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

Program: Flare study on AR 14336 (following Hinode): Program C. Raster of ribbons and hot plasma

Target: AR

Pointing: xcen=388 ycen=-113,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	360

IRIS: AR 14329/14330 Prominence monitoring SW limb (HOP 269 IRIS alone)

2026-01-10T15:56:56 to 2026-01-10T17:01:14

Science Goal: Very large coarse 32-step raster 62x175 32s Mg II h/k Deep x 8 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4 Lossless compression

Program: AR 14329/14330 Prominence monitoring SW limb (HOP 269 IRIS alone)

Target: FI

Pointing: xcen=1065 ycen=-127,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.15	231,182	416

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

2026-01-10T03:10:28 to 2026-01-10T03:57:43

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=-139 ycen=-119,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	313
2796	0.15	65,68	313

IRIS: Flare study on AR 14325 at west limb (follow Hinode)

2026-01-07T05:39:09 to 2026-01-07T06:36:46

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 (follow Hinode)

Target: AR

Pointing: xcen=965 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	360

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

2026-01-02T12:29:20 to 2026-01-02T13:25:26

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=256 ycen=-113,

saaIntervals hiIntervals

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

252563 matches
prev 1...10881 10882 10883 10884 [10885] 10886 10887 10888 10889 10890 ...16838 next