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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255811 matches
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TRACE: QUIET SUN

1999-02-24T17:06:26 to 1999-02-24T23:57:48

Science Goal: SCIPLAN_QUIET_SUN

Program: TRACE/SXT Active Region Loop Measurements, Coordination with SUMER

Target:

Pointing: xcen=-136 ycen=-50,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	6.7	512,512	62
1700	50.83	512,512	9
1600	4.57	512,512	91
284	101.87	512,512	5
195	7.01	512,512	59
1550	50.84	512,512	9
1216	50.87	512,512	9

TRACE: SYNOPTIC

1999-02-20T00:10:21 to 1999-02-20T00:35:42

Science Goal: SCIPLAN_SYNOPTIC

Program: VLA observations

Target:

Pointing: xcen=-10 ycen=820,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	5.01	512,512	5
1700	5.01	512,512	5
1600	5.01	512,512	5
284	5.01	512,512	5
195	5.01	512,512	5
1550	5.01	512,512	5
1216	5.01	512,512	5

TRACE: Trans loop

1999-02-09T00:05:25 to 1999-02-09T02:50:17

Science Goal: SCIPLAN_Trans_loop

Program:

Target:

Pointing: xcen=-841 ycen=413,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	4.29	512,512	39
WL	4.29	512,512	39
284	4.31	512,512	38
195	4.41	512,512	38
1550	4.29	512,512	39
1216	4.29	512,512	39

TRACE:

1999-02-07T04:10:35 to 1999-02-07T10:26:01

Science Goal:

Program: SPO flare watch, NE AR, still not numbered

Target:

Pointing: xcen=-374 ycen=453,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	2.19	384,384	171
WL	1.2	384,384	313
1600	1.2	384,384	313
284	2.2	384,384	170
195	2.16	384,384	173

TRACE: Prom Fil

1999-02-04T05:01:30 to 1999-02-04T06:12:12

Science Goal: SCIPLAN_Prom_Fil

Program:

Target:

Pointing: xcen=650 ycen=-795,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	1.61	384,384	44
1550	1.12	384,384	64
1216	1.12	384,384	64

IRIS: SUIT coordination, AR 14341

2026-01-20T00:47:59 to 2026-01-20T01:37:36

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 SJI cadence 3x faster

Program: SUIT coordination, AR 14341

Target: AR

Pointing: xcen=-48 ycen=-113,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1224
2796	0.04	68,68	1224

IRIS: Flare study on AR 14325/14323: Program C

2026-01-05T14:51:15 to 2026-01-05T15:47:34

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: Program C

Target: AR

Pointing: xcen=813 ycen=-112,

saaIntervals hiIntervals

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

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

2026-01-03T20:49:18 to 2026-01-03T21:45:37

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=550 ycen=-96,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	351

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-26T13:59:37 to 2025-12-26T14:54:27

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 (AR14317)

Target: AR

Pointing: xcen=-16 ycen=226,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	344

IRIS: B2: QS tracking from limb to limb

2025-12-25T07:20:43 to 2025-12-25T07:30:19

Science Goal: Coarse synoptic raster 34x175 18s Deep x 30 SJI cadence 3x faster Lossless compression

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=-328 ycen=-465,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

IRIS: High-cadence flare watch

2025-12-21T09:29:17 to 2025-12-21T10:25:20

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

Target: AR

Pointing: xcen=-418 ycen=409,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1476
2796	0.04	68,68	1476

IRIS: High-cadence flare watch

2025-12-18T18:26:43 to 2025-12-18T19:22:09

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

Target: AR

Pointing: xcen=931 ycen=-256,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1460
2796	0.04	68,68	1460

IRIS: Low-telemetry flare watch

2025-12-16T17:55:59 to 2025-12-16T18:52:02

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: Low-telemetry flare watch

Target: AR

Pointing: xcen=800 ycen=-243,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	122
1400	0.46	62,68	122
2796	0.46	62,68	122

IRIS: Jets in Coronal Hole watch program

2025-12-15T06:59:32 to 2025-12-15T07:16:58

Science Goal: Very large sparse 64-step raster 63x175 64s Si IV Mg II h/k Mg II w Deep x 0.5 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: Jets in Coronal Hole watch program

Target: CH

Pointing: xcen=210 ycen=70,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.16	231,182	112
1400	0.16	231,182	112
2796	0.16	231,182	112

IRIS: SUIT coordination, AR14303

2025-12-11T02:07:37 to 2025-12-11T02:52:18

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, AR14303

Target: AR

Pointing: xcen=-168 ycen=-444,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	296
2796	0.15	65,68	296

255811 matches
prev 1...6249 6250 6251 6252 6253 6254 [6255] 6256 6257 6258 ...17055 next