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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250336 matches
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IRIS: Sit and State Studies of Ribbons and Hot Plasma

2025-12-27T09:28:01 to 2025-12-27T10:18:47

Science Goal: Large sit-and-stare 0.3x120 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Sit and State Studies of Ribbons and Hot Plasma

Target: AR

Pointing: xcen=156 ycen=227,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.48	121,130	105
1400	0.48	121,130	105
2796	0.48	121,130	105

IRIS: Raster of Ribbons and Hot Plasma (AR14317)

2025-12-24T15:05:39 to 2025-12-24T16:00:42

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

Program: Raster of Ribbons and Hot Plasma (AR14317)

Target: AR

Pointing: xcen=-440 ycen=218,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	344

IRIS: Low-telemetry flare watch

2025-12-22T16:12:24 to 2025-12-22T17:08:55

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=-255 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	123
1400	0.46	62,68	123
2796	0.46	62,68	123

IRIS: Low-telemetry flare watch

2025-12-22T11:21:23 to 2025-12-22T12:17:54

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=-465 ycen=354,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	123
1400	0.46	62,68	123
2796	0.46	62,68	123

IRIS: Low-telemetry flare watch

2025-12-22T06:30:23 to 2025-12-22T07:26:26

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=-505 ycen=348,

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: C1: North Pole

2025-12-20T17:21:51 to 2025-12-20T17:56:02

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

Program: C1: North Pole

Target: AR

Pointing: xcen=-4 ycen=970,

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: High-cadence flare watch

2025-12-19T05:45:14 to 2025-12-19T06:41:35

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 SJI cadence 3x faster

Program: High-cadence flare watch

Target: AR

Pointing: xcen=-779 ycen=315,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1484
2796	0.04	68,68	1484

IRIS: SUIT/Aditya-L1 coordination disk-center 2/2

2025-12-18T02:15:51 to 2025-12-18T03:09:58

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 4, Spectral x 4

Program: SUIT/Aditya-L1 coordination disk-center 2/2

Target: AR

Pointing: xcen=183 ycen=151,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.8	293,182	68
1400	0.2	293,182	272
2796	0.2	293,182	272

IRIS: Low-telemetry flare watch

2025-12-16T22:47:00 to 2025-12-16T23:43:03

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=827 ycen=-240,

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: Low-telemetry flare watch

2025-12-16T14:41:53 to 2025-12-16T15:37:56

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=784 ycen=-240,

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: Limb AR watch / PSP coordination

2025-12-14T10:48:29 to 2025-12-14T11:53:32

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

Program: Limb AR watch / PSP coordination

Target: AR

Pointing: xcen=977 ycen=-248,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	408

IRIS: PSP coordination, AR14294

2025-12-12T20:00:19 to 2025-12-12T21:05:37

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

Program: PSP coordination, AR14294

Target: AR

Pointing: xcen=960 ycen=-244,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,130	408

IRIS: Flare watch program C, AR14296

2025-12-11T18:17:29 to 2025-12-11T19:13:36

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

Program: Flare watch program C, AR14296

Target: AR

Pointing: xcen=883 ycen=-244,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.19	73,66	302

IRIS: B1: AR tracking

2025-12-11T05:41:16 to 2025-12-11T05:59:22

Science Goal: Large coarse 64-step raster 126x120 64s Deep x 15 SJI cadence 3x faster Lossless compression

Program: B1: AR tracking

Target: AR

Pointing: xcen=694 ycen=362,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	1.13	247,130	16
1400	1.13	247,130	16
2796	1.13	247,130	16

IRIS: A1: QS monitoring

2025-12-10T03:29:16 to 2025-12-10T03:47:20

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=-150 ycen=112,

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

250336 matches
prev 1...8945 8946 8947 8948 8949 8950 8951 8952 [8953] 8954 ...16690 next