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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256848 matches
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IRIS: HOP 532 - AR14455

2026-06-05T16:59:36 to 2026-06-05T18:19:03

Science Goal: Large sit-and-stare 0.3x120 1s Deep x 8 Spatial x 2, Spectral x 2

Program: HOP 532 - AR14455

Target: AR

Pointing: xcen=649 ycen=233,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.62	123,129	128
2832	0.62	123,129	128
1400	0.62	123,129	128
2796	0.62	123,129	128

IRIS: A1: QS monitoring

2026-06-05T04:20:04 to 2026-06-05T04:38:08

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=-18 ycen=5,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: High-cadence flare watch: AR 14455

2026-05-31T12:01:03 to 2026-05-31T17:50:25

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: AR 14455

Target: AR

Pointing: xcen=-449 ycen=250,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	9200
2796	0.04	68,68	9200

IRIS: A1: QS monitoring

2026-05-24T04:10:04 to 2026-05-24T04:28:08

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=30 ycen=38,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,129	16
2832	4.52	247,129	4
1400	1.13	247,129	16
2796	1.13	247,129	16

IRIS: High-cadence flare program, AR 14441

2026-05-23T12:07:48 to 2026-05-23T15:46:10

Science Goal: High-Cadence Flare Program: .3 sec, small linelist, Mg II h/k slow

Program: High-cadence flare program, AR 14441

Target: AR

Pointing: xcen=831 ycen=187,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.14	61,68	1596

IRIS: High-cadence flare program, AR 14441

2026-05-22T12:06:22 to 2026-05-22T14:44:54

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

Program: High-cadence flare program, AR 14441

Target: AR

Pointing: xcen=689 ycen=151,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,68	1155

IRIS: Flare watch program F, AR 14436

2026-05-19T02:33:55 to 2026-05-19T03:48:35

Science Goal: Medium coarse 8-step raster 14x60 8s C II Deep x 8 Spatial x 2, Spectral x 2

Program: Flare watch program F, AR 14436

Target: AR

Pointing: xcen=702 ycen=323,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,68	480

IRIS: SST coordination, AR 14436

2026-05-18T07:59:41 to 2026-05-18T11:55:03

Science Goal: Medium dense 16-step raster 5x60 16s 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 14436

Target: AR

Pointing: xcen=588 ycen=318,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.34	67,67	696
1400	0.34	67,67	696
2796	0.34	67,67	696

IRIS: Flare sparse 8-step, AR 14436

2026-05-15T13:49:41 to 2026-05-15T16:49:11

Science Goal: Large sparse 8-step raster 7x120 8s C II Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2

Program: Flare sparse 8-step, AR 14436

Target: AR

Pointing: xcen=35 ycen=373,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.34	129,129	524
1400	0.34	129,129	524
2796	0.34	129,129	524

IRIS: SUIT/Aditya coordination, AR 14436

2026-05-14T00:10:32 to 2026-05-14T02:30:10

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 coordination, AR 14436

Target: AR

Pointing: xcen=-250 ycen=316,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	925
2796	0.15	65,68	925

IRIS: Calib 14: Wobble, zero roll, pointing #2

2026-05-13T12:10:03 to 2026-05-13T15:30:03

Science Goal: SJI MgII w, 1x1, 10s exp, 20s cadence, for wobble calibration

Program: Calib 14: Wobble, zero roll, pointing #2

Target: (NONE)

Pointing: xcen=-40 ycen=969,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.33	173,182	600

IRIS: Calib 13: Stellar, Pointing $6

2026-05-10T10:50:00 to 2026-05-10T11:32:59

Science Goal: Stellar_Cal_HD19374_2026_Pointing_6

Program: Calib 13: Stellar, Pointing $6

Target: (NONE)

Pointing: xcen=148 ycen=1108,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	413,182	21
1400	2	413,182	22

IRIS: Italian Radio Telescopes Coordination on AR14432

2026-05-08T12:07:26 to 2026-05-08T13:45:38

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

Program: Italian Radio Telescopes Coordination on AR14432

Target: AR

Pointing: xcen=325 ycen=265,

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

IRIS: Italian Radio Telescope Coordination on AR14432

2026-05-07T06:09:49 to 2026-05-07T07:48:01

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

Program: Italian Radio Telescope Coordination on AR14432

Target: AR

Pointing: xcen=60 ycen=274,

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

IRIS: Flare Studies on AR14432

2026-05-06T17:15:23 to 2026-05-06T22:07:17

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 SJI cadence 3x faster

Program: Flare Studies on AR14432

Target: AR

Pointing: xcen=-50 ycen=267,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	7200
2796	0.04	68,68	7199

256848 matches
prev 1...14425 14426 14427 14428 [14429] 14430 14431 14432 14433 14434 ...17124 next