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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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TRACE: TRANSEQ

2001-07-18T01:03:43 to 2001-07-19T00:00:59

Science Goal: SCIPLAN_TRANSEQ

Program: AR 9539 flare watch and AR evolution

Target:

Pointing: xcen=598 ycen=-304,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1.45	384,384	952
WL	1.23	384,384	1117
1600	1.24	384,384	1116

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: 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

HMI_BLOS: Cruiser Annotation

2026-02-01T19:57:10 to 2026-02-02T03:42:10

Science Goal: ssw_service_260202_162639_13044

Program: Active region filament eruption accompanied with an X-class flare

Target: FE: FilamentEruption

Pointing: xcen=-575 ycen=438,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1	831,831	465
blos	2.01	831,831	232

IRIS: High-cadence flare rasters

2026-01-27T09:00:05 to 2026-01-27T10:02:21

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=389 ycen=-166,

saaIntervals hiIntervals

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

IRIS: SUIT coordination: AR 14349

2026-01-25T00:25:42 to 2026-01-25T01:26:41

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 14349

Target: AR

Pointing: xcen=-129 ycen=-161,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	404
2796	0.15	65,68	404

IRIS: High-cadence flare watch: AR 14341

2026-01-24T19:34:35 to 2026-01-24T20:35:07

Science Goal: High-Cadence Flare Program: .3 sec, small linelist, C II slow

Program: High-cadence flare watch: AR 14341

Target: AR

Pointing: xcen=811 ycen=-147,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,68	441

IRIS: High-cadence flare watch: AR 14341

2026-01-21T09:08:10 to 2026-01-21T10:08:37

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=172 ycen=-146,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1592
2796	0.04	68,68	1592

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

IRIS: A1: QS monitoring

2026-01-21T04:19:16 to 2026-01-21T04:37:20

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=-38 ycen=46,

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

2026-01-19T17:09:00 to 2026-01-19T17:42:22

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, AR14341

Target: AR

Pointing: xcen=-167 ycen=-76,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	2.09	133,130	16
1400	0.35	133,130	96
2796	0.35	133,130	96

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

2026-01-11T19:35:08 to 2026-01-11T20:32:32

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=233 ycen=-108,

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)

2026-01-10T17:33:56 to 2026-01-10T18:38:14

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: high-latitude coronal rain at pseudo streamer cusp NW limb (using HOP 269 OBSID)

2026-01-10T11:05:57 to 2026-01-10T12:06:48

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: high-latitude coronal rain at pseudo streamer cusp NW limb (using HOP 269 OBSID)

Target: CR

Pointing: xcen=877 ycen=832,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	224

IRIS: high-latitude coronal rain at pseudo streamer cusp NW limb (using HOP 269 OBSID)

2026-01-10T06:24:06 to 2026-01-10T07:16:15

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: high-latitude coronal rain at pseudo streamer cusp NW limb (using HOP 269 OBSID)

Target: CR

Pointing: xcen=877 ycen=833,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.27	231,182	192

250778 matches
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