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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256700 matches
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IRIS: Fast scans of AR 12687

2017-11-16T13:01:20 to 2017-11-16T14:02:41

Science Goal: Very large coarse 16-step raster 30x175 16s Deep x 8 Spatial x 2, Spectral x 2 Lossless compression

Program: Fast scans of AR 12687

Target: AR

Pointing: xcen=-720 ycen=-156,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	199,182	100
2832	0.62	199,182	99
1400	0.61	199,182	100
2796	0.61	199,182	100

IRIS: Prominence at SE limb

2017-11-14T18:47:10 to 2017-11-14T19:48:31

Science Goal: Very large dense 2-step raster 0.33x175 2s Deep x 8 Spatial x 2, Spectral x 2 Lossless compression

Program: Prominence at SE limb

Target: QS

Pointing: xcen=-924 ycen=-358,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	170,182	100
2832	0.61	170,182	100
1400	0.61	170,182	100
2796	0.61	170,182	100

IRIS: HOP307: AR12685

2017-10-25T14:44:05 to 2017-10-25T16:10:30

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 15 Spatial x 2, Spectral x 2 Lossless compression

Program: HOP307: AR12685

Target: AR

Pointing: xcen=-341 ycen=-202,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.08	281,182	80
2832	1.08	281,182	80
1400	1.08	281,182	80
2796	1.08	281,182	80

SOTSP: HOP 336 NE

2017-05-21T12:44:25 to 2017-05-21T13:39:44

Science Goal: X ray bright points

Program: Fast map, 280"x164", Q65, 1-side CCD

Target: Quiet Sun

Pointing: xcen=-174 ycen=629,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	274,162	871
6302A Velocity 6301.5A	0	274,162	871
6302A Transverse Flux Density	0	274,162	871
6302A Longitudinal Flux Density	0	274,162	871

EIS: HOP79 (N-S)

2017-03-17T00:24:22 to 2017-03-17T00:34:30

Science Goal: SK_DEEP_5x512_SLIT1

Program:

Target:

Pointing: xcen=2 ycen=-448,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
MgVI		5,512	null
FeXIII		5,512	null
FeX		5,512	null
SiX		5,512	null
CaXVII		5,512	null
OIV		5,512	null
SiVII		5,512	null
FeXI		5,512	null
FeXV		5,512	null
HeII		5,512	null
OV		5,512	null
FeXII		5,512	null
FeVIII		5,512	null
FeXIV		5,512	null

IRIS: CH Jet Watch

2015-03-02T16:24:07 to 2015-03-02T17:37:07

Science Goal: Very large dense 8-step raster 2.32x175 8s C II Si IV Deep x 4 Spatial x 2, Spectral x 2

Program: CH Jet Watch

Target: CH

Pointing: xcen=4 ycen=-881,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.17	170,182	420
1400	0.17	170,182	420

IRIS: 400-Step Raster, CH

2015-03-02T04:39:33 to 2015-03-02T08:08:50

Science Goal: Very large dense raster 131.7x175 400s Deep x 30 Spatial x 2, Spectral x 2 Lossless compression

Program: 400-Step Raster, CH

Target: CH

Pointing: xcen=160 ycen=-666,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.09	309,182	100
2832	2.09	309,182	100
1400	2.09	309,182	100
2796	2.09	309,182	100

IRIS: DST sample

2015-02-20T02:52:07 to 2015-02-20T03:36:05

Science Goal: Large sparse 8-step raster 7x120 8s Deep x 2 Spatial x 2, Spectral x 2

Program: DST sample

Target: (NONE)

Pointing: xcen=-112 ycen=332,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.18	130,128	240
2832	0.18	130,128	240
1400	0.18	130,128	240
2796	0.18	130,128	240

IRIS: Monitoring flares at AR 12282

2015-02-15T15:29:17 to 2015-02-15T18:29:16

Science Goal: Very large coarse 16-step raster 30x175 16s C II Si IV Mg II w s Deep x 4 Spatial x 2, Spectral x 2

Program: Monitoring flares at AR 12282

Target: AR

Pointing: xcen=300 ycen=290,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.23	200,182	780
2832	0.69	200,182	260
1400	0.17	200,182	1039

IRIS: Monitoring eruptions at AR 12280

2015-02-13T12:41:49 to 2015-02-13T13:37:03

Science Goal: Very large sparse 16-step raster 15x175 16s Deep x 8 FUV spectrally rebinned x 2

Program: Monitoring eruptions at AR 12280

Target: AR

Pointing: xcen=939 ycen=-164,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.63	185,182	88
2832	0.63	185,182	88
1400	0.63	185,182	88
2796	0.63	185,182	88

SOTSP:

2006-12-30T03:50:30 to 2006-12-30T03:52:13

Science Goal:

Program: , f.0 SP compression test

Target:

Pointing: xcen=28 ycen=-82,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	3,81	20
6302A Velocity 6301.5A	0	3,81	20
6302A Transverse Flux Density	0	3,81	20
6302A Longitudinal Flux Density	0	3,81	20

TRACE:

1999-01-23T03:48:21 to 1999-01-24T12:52:46

Science Goal:

Program: test fast modes, flare watch

Target:

Pointing: xcen=771 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.95	384,384	2084
WL	0.81	384,384	2453
1600	0.81	384,384	2454

IRIS: Very high cadence raster flare study

2025-10-07T20:59:45 to 2025-10-07T23:58:07

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 flare study

Target: AR

Pointing: xcen=928 ycen=130,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	4373
2796	0.04	68,68	4373

IRIS: SPICE coordination

2025-10-03T04:59:59 to 2025-10-03T06:37:52

Science Goal: Very large dense 320-step raster 105.3x175 320s Deep x 8 Spatial x 2, Spectral x 2

Program: SPICE coordination

Target: AR

Pointing: xcen=230 ycen=166,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	160
2832	0.61	281,182	160
1400	0.61	281,182	160
2796	0.61	281,182	160

SOTSP: Synoptic

2025-09-04T17:59:16 to 2025-09-04T18:01:06

Science Goal:

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

Target: 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

256700 matches
prev 1...2321 [2322] 2323 2324 2325 2326 2327 2328 2329 2330 ...17114 next