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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250589 matches
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TRACE: Large flare with pronounced loop oscillations and external dimmings

1998-07-14T12:52:46 to 1998-07-14T13:28:41

Science Goal:

Program:

Target:

Pointing: xcen=-276 ycen=-406,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

EIS: Synoptic Comprehensive Active Region Studies

2026-02-19T00:50:38 to 2026-02-19T01:40:12

Science Goal: new AR on east limb

Program:

Target:

Pointing: xcen=-868 ycen=-286,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

EIS: Change of EIS pointing and alignment with time

2026-02-17T17:26:29 to 2026-02-17T17:26:39

Science Goal:

Program:

Target:

Pointing: xcen=21 ycen=-204,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

EIS: SOOP: Solar Orbiter, IRIS and Hinode - upflow region.

2026-02-12T03:26:50 to 2026-02-12T04:13:47

Science Goal: Q85.

Program:

Target:

Pointing: xcen=60 ycen=259,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

EIS: Flare trigger observations on limb AR.

2026-02-10T18:12:35 to 2026-02-10T22:55:08

Science Goal: XRT flare trigger with FlareResponse04_SitnStare.

Program:

Target:

Pointing: xcen=1006 ycen=313,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

IRIS: High-cadence rasters

2026-01-31T08:22:08 to 2026-01-31T09:26:04

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 rasters

Target: AR

Pointing: xcen=-724 ycen=-340,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1684
2796	0.04	68,68	1684

IRIS: BBSO coordination, AR 14349

2026-01-28T15:42:37 to 2026-01-28T16:45:11

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 14349

Target: AR

Pointing: xcen=609 ycen=-175,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	30
1400	0.35	133,130	180
2796	0.35	133,130	180

IRIS: Coronal nanojets: AR 14341

2026-01-26T10:21:59 to 2026-01-26T11:23:27

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

Program: Coronal nanojets: AR 14341

Target: AR

Pointing: xcen=969 ycen=-203,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	384

IRIS: BBSO coordination: AR 14345

2026-01-23T22:33:37 to 2026-01-23T23:34:35

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w s Deep x 4 Spatial x 2, Spectral x 2

Program: BBSO coordination: AR 14345

Target: AR

Pointing: xcen=622 ycen=-181,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.69	137,130	89
1400	0.23	137,130	267
2796	0.17	137,130	356

IRIS: Low-telem flare watch: AR 14345

2026-01-22T15:50:54 to 2026-01-22T16:50:38

Science Goal: Medium coarse 8-step raster 14x60 8s C II Deep x 8 Spatial x 2, Spectral x 2

Program: Low-telem flare watch: AR 14345

Target: AR

Pointing: xcen=441 ycen=-159,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	384

IRIS: SUIT coordination: AR 14341

2026-01-22T01:18:14 to 2026-01-22T01:29:24

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 coordination: AR 14341

Target: AR

Pointing: xcen=320 ycen=-143,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	74
2796	0.15	65,68	74

IRIS: SUIT ccorindation, AR14341

2026-01-21T01:02:51 to 2026-01-21T02:03:10

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 ccorindation, AR14341

Target: AR

Pointing: xcen=177 ycen=-101,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1488
2796	0.04	68,68	1488

IRIS: BBSO coordination, AR14341

2026-01-19T21:34:00 to 2026-01-19T22:32:24

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=-128 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: BBSO Coordination on AR 14336 leading spot's trailing edge

2026-01-12T21:26:58 to 2026-01-12T22:25:22

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 on AR 14336 leading spot's trailing edge

Target: AR

Pointing: xcen=434 ycen=-91,

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

2026-01-10T01:33:29 to 2026-01-10T02:31:36

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=-154 ycen=-119,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	385
2796	0.15	65,68	385

250589 matches
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