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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252794 matches
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TRACE: FullDisk

2000-01-10T01:15:29 to 2000-01-10T02:18:10

Science Goal: SCIPLAN_FullDisk

Program: AR 8816 movie, test flarewatch

Target:

Pointing: xcen=-3 ycen=-17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

TRACE: SYNOPTIC

1999-11-12T01:23:46 to 1999-11-12T11:26:58

Science Goal: SCIPLAN_SYNOPTIC

Program: AR movie and flare watch, another Mercury eclipse test

Target:

Pointing: xcen=-301 ycen=176,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	4.76	512,512	5
1700	4.76	512,512	5
WL	82.23	512,512	8
1600	4.76	512,512	5
284	4.76	512,512	5
195	4.76	512,512	5
1550	4.76	512,512	5
1216	4.75	512,512	5

TRACE: Filament 284

1999-01-08T00:52:36 to 1999-01-08T22:43:59

Science Goal:

Program:

Target:

Pointing: xcen=630 ycen=350,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

IRIS: Flare ribbons and hot plasma (AR 14381)

2026-03-06T05:03:04 to 2026-03-06T08:27:59

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 ribbons and hot plasma (AR 14381)

Target: AR

Pointing: xcen=-14 ycen=264,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	437
1400	0.47	61,67	437
2796	0.47	61,67	437

IRIS: High-cadence flare rasters

2026-01-27T15:28:01 to 2026-01-27T15:39:51

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: High-cadence flare rasters

Target: AR

Pointing: xcen=439 ycen=-167,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	312
2796	0.04	68,68	312

IRIS: High-cadence flare rasters

2026-01-27T07:23:05 to 2026-01-27T08:25:21

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 rasters

Target: AR

Pointing: xcen=377 ycen=-166,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1640
2796	0.04	68,68	1640

IRIS: High-cadence flare watch: AR 14353

2026-01-25T10:07:28 to 2026-01-25T11:09:05

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 14353

Target: AR

Pointing: xcen=329 ycen=370,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1479
2796	0.04	68,68	1479

IRIS: BBSO coordination: AR 14345

2026-01-22T19:04:47 to 2026-01-22T20:05:21

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 2, Spectral x 2

Program: BBSO coordination: AR 14345

Target: AR

Pointing: xcen=419 ycen=-172,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.24	135,130	49
1400	0.21	135,130	294
2796	0.21	135,130	294

IRIS: High-cadence flare watch: AR 14341

2026-01-21T10:45:09 to 2026-01-21T11:34:49

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=190 ycen=-143,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1308
2796	0.04	68,68	1308

IRIS: SUIT coordination, AR14341

2026-01-19T02:10:06 to 2026-01-19T02:53:14

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, AR14341

Target: AR

Pointing: xcen=-225 ycen=-163,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1064
2796	0.04	68,68	1064

IRIS: BBSO coordination, AR at SE

2026-01-16T22:26:35 to 2026-01-16T22:50:53

Science Goal: Large coarse 8-step raster 14x120 8s 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 SJI cadence 0.5x faster

Program: BBSO coordination, AR at SE

Target: AR

Pointing: xcen=-647 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.34	136,130	72
2832	2.03	136,130	12
1400	0.34	136,130	72
2796	0.34	136,130	72

IRIS: Flare study, AR at SE

2026-01-16T15:58:41 to 2026-01-16T16:32:46

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

Program: Flare study, AR at SE

Target: AR

Pointing: xcen=-703 ycen=-127,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	208

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

2026-01-11T22:49:07 to 2026-01-11T23:43:58

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=262 ycen=-109,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	344

IRIS: SUIT/Aditya-L1 coordination on near-disk-center AR 14334

2026-01-09T04:32:32 to 2026-01-09T05:29:11

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Spatial x 4, Spectral x 4

Program: SUIT/Aditya-L1 coordination on near-disk-center AR 14334

Target: AR

Pointing: xcen=102 ycen=-205,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	54
1400	0.26	289,182	216
2796	0.26	289,182	216

IRIS: Flare study on AR 14325 at west limb (not following Hinode)

2026-01-07T15:12:08 to 2026-01-07T16:18:43

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 (not following Hinode)

Target: AR

Pointing: xcen=978 ycen=-132,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	416

252794 matches
prev 1...9553 9554 9555 9556 9557 9558 9559 [9560] 9561 9562 ...16853 next