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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251137 matches
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IRIS: A1: QS Monitoring

2026-05-09T04:20:04 to 2026-05-09T04:38:08

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: (NONE)

Pointing: xcen=34 ycen=19,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	251,131	16
2832	4.52	251,131	4
1400	1.13	251,131	16
2796	1.13	251,131	16

EIS: Active Region Sit-and-Stare Hunt for Rapid Variability (neutral lin

2026-05-02T01:15:40 to 2026-05-02T02:17:59

Science Goal: Active Region Sit-and-Stare Hunt for Rapid Variability (neutral lin

Program:

Target:

Pointing: xcen=916 ycen=286,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeX		266,256	null
OIV		266,256	null
CaXV		266,256	null

IRIS: Italian Radio Telescope Coordination on AR14433

2026-05-10T13:10:42 to 2026-05-10T13:59:48

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 AR14433

Target: AR

Pointing: xcen=267 ycen=-229,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	284,179	80
2832	0.61	284,179	80
1400	0.61	284,179	80
2796	0.61	284,179	80

IRIS: Calib 13: Stellar, Pointing #7

2026-05-10T11:41:00 to 2026-05-10T12:08:59

Science Goal: Stellar_Cal_HD19374_2026_Pointing_7

Program: Calib 13: Stellar, Pointing #7

Target: (NONE)

Pointing: xcen=245 ycen=1124,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	399,178	14
1400	2	399,178	14

IRIS: Calib 13: Stellar, Pointing #5

2026-05-10T10:14:00 to 2026-05-10T10:42:59

Science Goal: Stellar_Cal_HD19374_2026_Pointing_5

Program: Calib 13: Stellar, Pointing #5

Target: (NONE)

Pointing: xcen=43 ycen=1096,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	399,178	15
1400	2	399,178	14

IRIS: Calib 13: Stellar, Pointing #4

2026-05-10T09:28:00 to 2026-05-10T10:06:59

Science Goal: Stellar_Cal_HD19374_2026_Pointing_4

Program: Calib 13: Stellar, Pointing #4

Target: (NONE)

Pointing: xcen=-63 ycen=1089,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	402,178	19
1400	2	402,178	20

IRIS: Flare Studies on AR14433

2026-05-10T14:09:22 to 2026-05-10T16:51:40

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: Flare Studies on AR14433

Target: AR

Pointing: xcen=72 ycen=-219,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	131,130	1382
2796	0.04	131,130	1381

251137 matches
prev 1...16737 16738 16739 16740 16741 16742 [16743]