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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257266 matches
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TRACE: 1600 flare

2001-01-06T17:40:26 to 2001-01-06T19:00:57

Science Goal:

Program:

Target:

Pointing: xcen=866 ycen=-112,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images

TRACE: FOT/SC

1999-04-29T17:02:34 to 1999-04-29T18:44:18

Science Goal: SCIPLAN_FOT/SC

Program:

Target:

Pointing: xcen=0 ycen=-21,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	5.94	512,512	18
WL	3.41	512,512	30
284	5.87	512,512	18

TRACE: EMERG FLUX

1999-04-03T05:00:22 to 1999-04-03T05:49:34

Science Goal: SCIPLAN_EMERG_FLUX

Program: emerging flux watch, N/S synoptic

Target:

Pointing: xcen=-10 ycen=820,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	3.85	512,512	5
1700	0.21	512,512	14
1600	0.79	384,384	29
284	3.85	512,512	5
195	3.85	512,512	5
1550	3.85	512,512	5
1216	3.85	512,512	5

TRACE: SPICULES

1999-03-19T16:04:44 to 1999-03-19T23:59:45

Science Goal: SCIPLAN_SPICULES

Program:

Target:

Pointing: xcen=962 ycen=415,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.79	384,384	597
WL	0.68	384,384	696
1600	4.09	384,384	116
1216	4.09	384,384	116

TRACE:

1999-02-18T00:11:08 to 1999-02-18T01:04:03

Science Goal:

Program: QS Limb Absorption and AR 171/195

Target:

Pointing: xcen=-3 ycen=-17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	2.88	512,512	19
1700	2.88	512,512	19
WL	2.88	512,512	19
1550	2.88	512,512	19
1216	2.88	512,512	19

TRACE:

1999-01-13T10:28:14 to 1999-01-13T10:30:22

Science Goal:

Program:

Target:

Pointing: xcen=-3 ycen=-17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
WL	0.13	512,512	18

EIS: HOP 548 - Coordination with DKIST

2026-10-07T22:36:41 to 2026-10-07T23:24:44

Science Goal: HOP 548 - Coordination with DKIST

Program:

Target:

Pointing: xcen=180 ycen=45,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeX		180,152	null
FeXVI		180,152	null
CaXVII		180,152	null
FeXXIV		180,152	null
FeXV		180,152	null
HeII		180,152	null
OV		180,152	null
FeXII		180,152	null
FeXXIII		180,152	null
FeXIV		180,152	null

EIS: HOP 130: 10/15

2026-10-06T13:30:15 to 2026-10-06T13:35:42

Science Goal: HOP 130: 10/15

Program:

Target:

Pointing: xcen=-825 ycen=628,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXIII		479,512	null
FeXVI		479,512	null
SiX		479,512	null
SX		479,512	null
SiVII		479,512	null
FeXI		479,512	null
FeXV		479,512	null
HeII		479,512	null
CaXVI		479,512	null
FeXII		479,512	null
FeVIII		479,512	null
FeXIV		479,512	null

EIS: Flare hunt

2026-10-05T23:32:33 to 2026-10-06T03:20:39

Science Goal: Flare hunt

Program:

Target:

Pointing: xcen=-115 ycen=8,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
HeII		266,304	null

EIS: HOP 548 - Coordination with DKIST

2026-10-05T17:32:20 to 2026-10-05T19:19:11

Science Goal: HOP 548 - Coordination with DKIST

Program:

Target:

Pointing: xcen=863 ycen=-395,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeX		180,152	null
FeXVI		180,152	null
CaXVII		180,152	null
FeXXIV		180,152	null
FeXV		180,152	null
HeII		180,152	null
OV		180,152	null
FeXII		180,152	null
FeXXIII		180,152	null
FeXIV		180,152	null

EIS: Flare hunt

2026-10-05T04:15:13 to 2026-10-05T08:03:19

Science Goal: Flare hunt

Program:

Target:

Pointing: xcen=-287 ycen=11,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
HeII		266,304	null

EIS: AR 14535 off-limb

2026-10-03T12:07:50 to 2026-10-03T16:16:13

Science Goal: AR 14535 off-limb

Program:

Target:

Pointing: xcen=959 ycen=261,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXIII		128,160	null
FeX		128,160	null
OIV		128,160	null

IRIS: High-cadence flare study, AR14341

2026-01-17T21:04:14 to 2026-01-17T21:40:04

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 flare study, AR14341

Target: AR

Pointing: xcen=-466 ycen=-179,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	944
2796	0.04	68,68	944

IRIS: Flare study on AR 14336 (following Hinode)

2026-01-11T13:07:12 to 2026-01-11T14:05:31

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: Flare study on AR 14336 (following Hinode)

Target: AR

Pointing: xcen=176 ycen=-102,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1536
2796	0.04	68,68	1536

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

2026-01-04T14:36:17 to 2026-01-04T15:32:36

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

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

Target: AR

Pointing: xcen=672 ycen=-110,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	352

257266 matches
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