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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249788 matches
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IRIS: Very high cadence raster (14392)

2026-03-19T08:09:26 to 2026-03-19T11:59:41

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 SJI cadence 3x faster

Program: Very high cadence raster (14392)

Target: AR

Pointing: xcen=280 ycen=-187,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	6064
2796	0.04	68,68	6063

IRIS: Sit-and-stare flare study (14392)

2026-03-19T02:39:56 to 2026-03-19T03:57:07

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: Sit-and-stare flare study (14392)

Target: AR

Pointing: xcen=225 ycen=-183,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	168
1400	0.46	62,69	168
2796	0.46	62,69	168

IRIS: SUIT coordination AR close to disk center #1 (14395)

2026-03-19T00:09:11 to 2026-03-19T01:29:10

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

Program: SUIT coordination AR close to disk center #1 (14395)

Target: AR

Pointing: xcen=6 ycen=21,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	530
2796	0.15	65,68	530

IRIS: Raster of ribbons and hot plasma (14392)

2026-03-18T13:09:10 to 2026-03-18T15:58:49

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

Program: Raster of ribbons and hot plasma (14392)

Target: AR

Pointing: xcen=58 ycen=-145,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1064

AIA: null

2026-03-18T03:45:00 to 2026-03-18T05:00:00

Science Goal: ssw_service_260317_213700_5698_ssmq_

Program:

Target:

Pointing: xcen=-904 ycen=332,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	0.95	600,450	80
211	0.95	600,450	80
171	0.95	600,450	80
1700	0.94	600,450	80
304	0.95	600,450	80
131	0.95	600,450	80
94	0.95	600,450	80
193	0.95	600,450	80

IRIS: Low-lying loops (AR4387)

2026-03-15T16:10:30 to 2026-03-15T18:13:10

Science Goal: Large coarse 4-step raster 6x120 4s Si IV Mg II h/k Deep x 8

Program: Low-lying loops (AR4387)

Target: AR

Pointing: xcen=344 ycen=267,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	127,129	400
2796	0.31	127,129	400

IRIS: PSP mosaic 1

2026-03-12T10:41:51 to 2026-03-12T10:57:54

Science Goal: Very large dense 320-step raster 105.3x175 320s Si IV Mg II h/k Deep x 2 Spatial x 2, Spectral x 2

Program: PSP mosaic 1

Target: AR

Pointing: xcen=823 ycen=126,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.2	280,182	80
2796	0.2	280,182	80

AIA: null

2026-03-12T08:11:00 to 2026-03-12T09:10:00

Science Goal: ssw_service_260312_014904_26881_ssmq_

Program:

Target:

Pointing: xcen=-898 ycen=-198,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	0.92	600,550	65
211	0.92	600,550	65
171	0.92	600,550	65
1700	0.91	600,550	65
304	0.92	600,550	65
131	0.92	600,550	65
94	0.92	600,550	65
193	0.92	600,550	65

IRIS: SUIT coordination (unnamed AR)

2026-03-12T00:04:37 to 2026-03-12T03:18:35

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 (unnamed AR)

Target: AR

Pointing: xcen=-743 ycen=286,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	1285
2796	0.15	65,68	1285

IRIS: BBSO-PSP coordination

2026-03-11T21:42:25 to 2026-03-11T23:20:43

Science Goal: Very large dense 320-step raster 105.3x175 320s Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: BBSO-PSP coordination

Target: CH

Pointing: xcen=-176 ycen=95,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.31	281,182	320
2796	0.31	281,182	320

IRIS: BBSO and Hinode coordination (AR 14381)

2026-03-09T20:58:58 to 2026-03-09T23:46:50

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 and Hinode coordination (AR 14381)

Target: AR

Pointing: xcen=742 ycen=212,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.69	137,129	245
1400	0.23	137,129	735
2796	0.17	137,129	980

IRIS: C1: North Pole

2026-03-07T04:55:11 to 2026-03-07T05:29:21

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1: North Pole

Target: QS

Pointing: xcen=-2 ycen=940,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: SUIT and Hinode coordination (AR 14384)

2026-03-07T00:08:20 to 2026-03-07T02:07:56

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 and Hinode coordination (AR 14384)

Target: AR

Pointing: xcen=-182 ycen=274,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	114
1400	0.26	289,182	456
2796	0.26	289,182	456

IRIS: BBSO coordination (AR 14381)

2026-03-06T20:08:57 to 2026-03-06T23:58:29

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 14381)

Target: AR

Pointing: xcen=158 ycen=263,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.69	137,129	335
1400	0.23	137,129	1005
2796	0.17	137,129	1340

IRIS: SolO coordination (L FULL HRES HCAD Eruption-Watch)

2026-03-03T08:36:51 to 2026-03-03T14:20:18

Science Goal: Very large dense 320-step raster 105.3x175 320s C II Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: SolO coordination (L_FULL_HRES_HCAD_Eruption-Watch)

Target: AR

Pointing: xcen=938 ycen=-193,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	560
1400	0.61	281,182	560
2796	0.61	281,182	560

249788 matches
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