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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257284 matches
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SOTSP: HOP 81, S-pole

2025-12-05T10:34:31 to 2025-12-05T13:28:05

Science Goal: CORE (HOP0002) Polar Monitoring Campaign during the Solar Cycle

Program: Fast deep mode, 2048 slit position, LIMB ONLY

Target: Quiet Sun

Pointing: xcen=-21 ycen=-952,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	319,162	1019
6302A Velocity 6301.5A	0	319,162	1019
6302A Transverse Flux Density	0	319,162	1019
6302A Longitudinal Flux Density	0	319,162	1019

SOTSP: AR 14294 / AR 14296

2025-12-03T03:13:29 to 2025-12-03T03:59:33

Science Goal: Monitoring AR evolution

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=-637 ycen=-294,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	229,162	727
6302A Velocity 6301.5A	0	229,162	727
6302A Transverse Flux Density	0	229,162	727
6302A Longitudinal Flux Density	0	229,162	727

IRIS: B2: QS tracking

2025-12-02T05:10:41 to 2025-12-02T05:20:17

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

Program: B2: QS tracking

Target: QS

Pointing: xcen=-684 ycen=-566,

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

SOTSP: Synoptic

2025-11-24T17:44:15 to 2025-11-24T17:46:03

Science Goal: Synoptic

Program: Synoptic Very Fast Map, 15"x162", 3 mins.

Target: Calibration, Synoptic

Pointing: xcen=0 ycen=7,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	16,162	50
6302A Velocity 6301.5A	0	16,162	50
6302A Transverse Flux Density	0	16,162	50
6302A Longitudinal Flux Density	0	16,162	50

IRIS: High cadence flare study

2025-11-23T20:12:05 to 2025-11-23T21:09:50

Science Goal: Large sparse 8-step raster 7x120 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

Target: AR

Pointing: xcen=-555 ycen=240,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,130	1421
2796	0.04	128,130	1422

IRIS: High cadence flare study

2025-11-23T15:21:23 to 2025-11-23T16:18:29

Science Goal: Large sparse 8-step raster 7x120 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

Target: AR

Pointing: xcen=-581 ycen=236,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	128,130	1408
2796	0.04	128,130	1408

IRIS: Coronal nanojets on east limb

2025-11-21T05:08:15 to 2025-11-21T06:05:38

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

Program: Coronal nanojets on east limb

Target: CJ

Pointing: xcen=-950 ycen=307,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,66	360

IRIS: Jets in coronal holes

2025-11-19T11:06:00 to 2025-11-19T12:04:30

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 holes

Target: CJ

Pointing: xcen=273 ycen=189,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.16	231,182	376
1400	0.16	231,182	376
2796	0.16	231,182	376

IRIS: Jets in coronal holes

2025-11-19T05:06:23 to 2025-11-19T05:35:00

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 holes

Target: CJ

Pointing: xcen=222 ycen=194,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.16	231,182	184
1400	0.16	231,182	184
2796	0.16	231,182	183

IRIS: B2: QS tracking from limb to limb

2025-11-18T05:01:42 to 2025-11-18T05:11:17

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=548 ycen=242,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	204,182	3
2832	3.2	204,182	3
1400	3.2	204,182	3
2796	3.2	204,182	3

IRIS: Major Flare Watch (Sit-and-stare)

2025-11-15T22:51:23 to 2025-11-15T23:52:48

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: Major Flare Watch (Sit-and-stare)

Target: AR

Pointing: xcen=913 ycen=399,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,66	131
1400	0.47	61,66	131
2796	0.47	61,66	131

IRIS: Major Flare Watch (Sit-and-stare)

2025-11-15T16:23:17 to 2025-11-15T17:28:44

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: Major Flare Watch (Sit-and-stare)

Target: AR

Pointing: xcen=914 ycen=400,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	121,130	139
1400	0.47	121,130	139
2796	0.47	121,130	139

IRIS: Major Flare Watch (High cadence)

2025-11-13T16:01:57 to 2025-11-13T17:01:17

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: Major Flare Watch (High cadence)

Target: AR

Pointing: xcen=714 ycen=378,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	366
2796	0.16	65,68	366

IRIS: Major Flare Watch (High cadence)

2025-11-09T05:38:35 to 2025-11-09T06:18:47

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: Major Flare Watch (High cadence)

Target: AR

Pointing: xcen=57 ycen=334,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	248
2796	0.16	65,68	248

IRIS: On-disk filament tracking

2025-11-05T10:35:08 to 2025-11-05T11:36:53

Science Goal: Very large dense 400-step raster 131.7x175 400s Deep x 2 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: On-disk filament tracking

Target: FI

Pointing: xcen=396 ycen=629,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.21	309,182	300
2832	0.21	309,182	300
1400	0.21	309,182	300
2796	0.21	309,182	300

257284 matches
prev 1...6681 6682 6683 6684 6685 6686 [6687] 6688 6689 6690 ...17153 next