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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257274 matches
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IRIS: SST cordination

2026-07-21T08:09:44 to 2026-07-21T10:01:24

Science Goal: Large dense 16-step raster 5x120 16s Si IV Mg II h/k Mg II w Deep x 4 FUV spectrally rebinned x 4

Program: SST cordination

Target: AR

Pointing: xcen=-67 ycen=19,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.35	127,129	320
1400	0.35	127,129	320
2796	0.35	127,129	320

IRIS: BBSO coordination #2, AR 14489

2026-07-18T19:09:22 to 2026-07-18T22:28:26

Science Goal: Large sit-and-stare 0.3x120 1s Si IV Deep x 0.5 Spatial x 2, Spectral x 2

Program: BBSO coordination #2, AR 14489

Target: AR

Pointing: xcen=-72 ycen=-190,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.19	120,128	1034

IRIS: Off limb flare study, nanojets, AR14482

2026-07-17T12:09:09 to 2026-07-17T15:58:46

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

Program: Off limb flare study, nanojets, AR14482

Target: AR

Pointing: xcen=939 ycen=-145,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1440

IRIS: Sit-and-stare study of ribbons and hot plasma (AR14482)

2026-07-11T02:40:19 to 2026-07-11T03:58:09

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: Sit-and-stare study of ribbons and hot plasma (AR14482)

Target: AR

Pointing: xcen=-7 ycen=-231,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	61,67	166
1400	0.47	61,67	166
2796	0.47	61,67	166

IRIS: High-cadence sit-and-stare flare ribbon spatial/temporal study (AR14482)

2026-07-10T11:39:06 to 2026-07-10T12:30:29

Science Goal: Large sit-and-stare 0.3x120 1s Si IV Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 10x faster

Program: High-cadence sit-and-stare flare ribbon spatial/temporal study (AR14482)

Target: AR

Pointing: xcen=-87 ycen=-201,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.03	120,129	1799

IRIS: SUIT coordination flare program (AR14482)

2026-07-09T23:43:01 to 2026-07-10T01:30:12

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 flare program (AR14482)

Target: AR

Pointing: xcen=-193 ycen=-205,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	661
2796	0.16	65,68	661

SOTSP: AR14473

2026-06-24T01:40:45 to 2026-06-24T02:40:29

Science Goal:

Program: Fast map, 328x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=-573 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	298,162	944
6302A Velocity 6301.5A	0	298,162	944
6302A Transverse Flux Density	0	298,162	944
6302A Longitudinal Flux Density	0	298,162	944

IRIS: SUIT/Aditya-L1 coordination

2026-06-23T23:44:32 to 2026-06-24T02:30:35

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

Program: SUIT/Aditya-L1 coordination

Target: AR

Pointing: xcen=-416 ycen=-171,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	1100
2796	0.15	65,68	1100

IRIS: B1: AR tracking from limb to limb

2026-06-21T04:58:49 to 2026-06-21T05:16:55

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

Program: B1: AR tracking from limb to limb

Target: AR

Pointing: xcen=938 ycen=137,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	1.13	247,129	16
1400	1.13	247,129	16
2796	1.13	247,129	16

SOTSP: Synoptic

2026-06-16T17:52:52 to 2026-06-16T17:54:41

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: SUIT coordination - flares

2026-06-02T23:51:57 to 2026-06-03T01:21:01

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 - flares

Target: AR

Pointing: xcen=47 ycen=252,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	590
2796	0.15	65,68	590

IRIS: SST coordination, AR 14443

2026-05-24T08:01:11 to 2026-05-24T11:56:35

Science Goal: Medium dense 32-step raster 10.24x60 32s Si IV Mg II h/k Mg II w Deep x 4 FUV spectrally rebinned x 2 SJI cadence 0.5x faster

Program: SST coordination, AR 14443

Target: AR

Pointing: xcen=330 ycen=-246,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.35	72,67	664
1400	0.35	72,67	664
2796	0.35	72,67	664

IRIS: High-cadence flare program, AR 14441

2026-05-22T14:54:52 to 2026-05-22T17:18:59

Science Goal: High-Cadence Flare Program: .3 sec, small linelist, C II slow

Program: High-cadence flare program, AR 14441

Target: AR

Pointing: xcen=702 ycen=148,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,68	1050

EIS: Synoptic AR studies - spectral atlas.

2026-05-18T23:00:44 to 2026-05-18T23:55:11

Science Goal:

Program:

Target:

Pointing: xcen=654 ycen=328,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXIII		120,160	null
FeX		120,160	null
OIV		120,160	null

EIS: Context images.

2026-05-18T17:02:20 to 2026-05-18T17:05:17

Science Goal:

Program:

Target:

Pointing: xcen=619 ycen=159,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
MgVI		479,488	null
FeXIII		479,488	null
FeXVI		479,488	null
SiVII		479,488	null
FeXI		479,488	null
FeXV		479,488	null
HeII		479,488	null
FeXII		479,488	null
FeXXIII		479,488	null

257274 matches
prev 1...10993 10994 10995 10996 10997 [10998] 10999 11000 11001 11002 ...17152 next