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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257051 matches
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IRIS: C1: North pole

2026-05-23T04:49:10 to 2026-05-23T05:23:21

Science Goal: Very large coarse 64-step raster 126x175 64s Deep x 30

Program: C1: North pole

Target: QS

Pointing: xcen=-3 ycen=937,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	295,182	16
2832	2.14	295,182	16
1400	2.14	295,182	16
2796	2.14	295,182	16

IRIS: SST coordination, AR 14443

2026-05-22T07:58:11 to 2026-05-22T11:53:35

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=-75 ycen=-237,

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 14439

2026-05-22T02:39:52 to 2026-05-22T03:51:55

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

Program: High-cadence flare program, AR 14439

Target: AR

Pointing: xcen=-65 ycen=126,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,68	525

IRIS: B1: AR tracking, AR 14436

2026-05-17T05:00:10 to 2026-05-17T05:18:16

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

Program: B1: AR tracking, AR 14436

Target: AR

Pointing: xcen=390 ycen=347,

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

IRIS: SUIT/Aditya coordination (flare watch), AR 14436

2026-05-16T23:59:32 to 2026-05-17T02:27:19

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 (flare watch), AR 14436

Target: AR

Pointing: xcen=364 ycen=334,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	979
2796	0.15	65,68	979

EIS: Coordinated AR Obs. with Sardinia and Medicina Radio Telescopes

2026-05-15T09:45:14 to 2026-05-15T09:48:10

Science Goal: PRY_slot_context_v3

Program:

Target:

Pointing: xcen=-0 ycen=175,

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

EIS:

2026-05-14T12:05:11 to 2026-05-14T12:08:08

Science Goal:

Program:

Target:

Pointing: xcen=-186 ycen=175,

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

IRIS: Coordination with Italian radio telescopes, AR 14432

2026-05-13T06:00:16 to 2026-05-13T07:38:28

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

Program: Coordination with Italian radio telescopes, AR 14432

Target: AR

Pointing: xcen=946 ycen=247,

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: High cadence flare program, AR 14432

2026-05-13T04:48:22 to 2026-05-13T05:48:42

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

Program: High cadence flare program, AR 14432

Target: AR

Pointing: xcen=926 ycen=237,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.14	61,68	441

EIS: Coordinated AR Obs. with Sardina and Medicina Radio Telescopes

2026-05-12T09:56:57 to 2026-05-12T09:59:53

Science Goal: PRY_slot_context_v3

Program:

Target:

Pointing: xcen=874 ycen=44,

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

EIS: Pointing Monitoring

2026-05-12T05:30:12 to 2026-05-12T05:30:22

Science Goal: XRT_synop_AIA

Program:

Target:

Pointing: xcen=17 ycen=-181,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
FeXV		266,512	null
HeII		266,512	null

IRIS: B1: AR tracking

2026-05-12T05:09:09 to 2026-05-12T05:27:15

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

Program: B1: AR tracking

Target: AR

Pointing: xcen=568 ycen=-230,

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

IRIS: B2: QS tracking

2026-05-12T04:49:24 to 2026-05-12T04:59:00

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

Program: B2: QS tracking

Target: QS

Pointing: xcen=613 ycen=53,

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: SUIT/Aditya-L1 Coordinatoin on AR14433

2026-05-11T00:09:33 to 2026-05-11T02:37:29

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 Coordinatoin on AR14433

Target: AR

Pointing: xcen=357 ycen=-234,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	980
2796	0.15	65,68	979

EIS: XRT Flare hunter (AR14431)

2026-05-09T05:39:34 to 2026-05-09T08:28:45

Science Goal: XRT Flare hunter (AR14431)

Program:

Target:

Pointing: xcen=608 ycen=-389,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
HeII		266,304	null

257051 matches
prev 1...14057 14058 [14059] 14060 14061 14062 14063 14064 14065 14066 ...17137 next