Popular

Heliophysics Events Knowledgebase Coverage Registry (HCR)

Popular Observations

Here are the most popular observations, as measured by the number of downloads.

Filter by instrument:

255519 matches
prev 1...2993 [2994] 2995 2996 2997 2998 2999 3000 3001 3002 ...17035 next

SOTSP: HOP 138

2009-11-19T16:55:05 to 2009-11-19T17:19:19

Science Goal: High spatial resolution scattering polarization observations in Ti I 5644A and Na ID2

Program: Fast map 86x82", Q75, 4 cycle, 2-side CCD summed

Target: Active Region

Pointing: xcen=658 ycen=-630,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	86,81	270
6302A Velocity 6301.5A	0	86,81	270
6302A Transverse Flux Density	0	86,81	270
6302A Longitudinal Flux Density	0	86,81	270

EIS: quiet sun study

2007-10-15T08:14:40 to 2007-10-15T08:48:56

Science Goal:

Program:

Target:

Pointing: xcen=1 ycen=-44,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
MgVI		40,512	null
CaXVII		40,512	null
SiVII		40,512	null
MgVII		40,512	null
MgV		40,512	null
HeII		40,512	null
FeXII		40,512	null
FeVIII		40,512	null

SOTSP: Active Region Evolution

2007-05-02T11:15:09 to 2007-05-02T12:40:02

Science Goal: Active region tracking; AR; AR10940

Program: Normal Map Half FOV

Target: AR10940

Pointing: xcen=162 ycen=-112,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	158,162	1000
6302A Velocity 6301.5A	0	158,162	1000
6302A Transverse Flux Density	0	158,162	1000
6302A Longitudinal Flux Density	0	158,162	1000

SOTSP: AR Evolution

2006-12-26T22:17:33 to 2006-12-26T22:19:32

Science Goal: AR Evolution

Program: SP focus scan 20 slit pos

Target: Active Region

Pointing: xcen=-641 ycen=-88,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0.01	6,81	40
6302A Velocity 6301.5A	0.01	6,81	40
6302A Transverse Flux Density	0.01	6,81	40
6302A Longitudinal Flux Density	0.01	6,81	40

SOTSP: synoptic

2006-12-07T11:20:59 to 2006-12-07T15:29:56

Science Goal: synoptic

Program: Fast map 20 arcsec

Target: disk center

Pointing: xcen=-736 ycen=-84,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	21,81	3710
6302A Velocity 6301.5A	0	21,81	3710
6302A Transverse Flux Density	0	21,81	3710
6302A Longitudinal Flux Density	0	21,81	3710

TRACE:

1999-01-11T11:29:42 to 1999-01-11T11:36:09

Science Goal:

Program:

Target:

Pointing: xcen=-239 ycen=382,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.59	512,512	12

IRIS: AR tracking from limb to limb, AR 14248

2025-10-18T10:51:22 to 2025-10-18T11:40:18

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

Program: AR tracking from limb to limb, AR 14248

Target: AR

Pointing: xcen=831 ycen=71,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.61	281,182	80
2832	0.61	281,182	80
1400	0.61	281,182	80
2796	0.61	281,182	80

IRIS: SUIT Aditya coordination

2025-10-14T00:12:05 to 2025-10-14T01:31:19

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

Target: AR

Pointing: xcen=-176 ycen=-425,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.15	65,68	525
2796	0.15	65,68	525

IRIS: Very high cadence flare study, AR14248

2025-10-13T16:22:06 to 2025-10-13T20:22:05

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 flare study, AR14248

Target: AR

Pointing: xcen=-210 ycen=17,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	6320
2796	0.04	68,68	6320

IRIS: SST coordination, AR14248

2025-10-11T07:59:16 to 2025-10-11T09:29:59

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 coordination, AR14248

Target: AR

Pointing: xcen=-654 ycen=41,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.35	127,129	260
1400	0.35	127,129	260
2796	0.35	127,129	260

IRIS: Low-telemetry sit-and-stare flare study (AR 14236)

2025-10-02T15:59:20 to 2025-10-02T17:58:47

Science Goal: Medium sit-and-stare 0.3x60 1s C II Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2

Program: Low-telemetry sit-and-stare flare study (AR 14236)

Target: AR

Pointing: xcen=154 ycen=65,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,69	260
1400	0.46	62,69	260
2796	0.46	62,69	260

IRIS: A1: QS Monitoring

2025-09-24T04:19:26 to 2025-09-24T04:37:30

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=1 ycen=-108,

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: SUIT/Aditya-L1 coordination

2025-09-22T00:01:32 to 2025-09-22T02:30:59

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=-232 ycen=47,

saaIntervals hiIntervals

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

IRIS: SolO coordination RSW23 SPICE

2025-09-20T18:11:21 to 2025-09-20T19:48:09

Science Goal: Large dense 320-step raster 105.3x120 320s Si IV Mg II h/k Deep x 8 Spatial x 2, Spectral x 2 FUV spectrally rebinned x 4

Program: SolO coordination RSW23 SPICE

Target: QS

Pointing: xcen=-780 ycen=-53,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.3	234,128	320
2796	0.3	234,128	320

IRIS: BBSO/GST coordination

2025-08-31T19:04:30 to 2025-08-31T22:36:17

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

Program: BBSO/GST coordination

Target: AR

Pointing: xcen=374 ycen=-365,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.19	120,128	1100

255519 matches
prev 1...2993 [2994] 2995 2996 2997 2998 2999 3000 3001 3002 ...17035 next