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:

255438 matches
prev 1...2577 2578 2579 2580 2581 2582 [2583] 2584 2585 2586 ...17030 next

TRACE:

1999-01-23T02:01:24 to 1999-01-23T03:29:44

Science Goal:

Program: test fast modes, flare watch

Target:

Pointing: xcen=771 ycen=371,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
171	0.85	384,384	104
WL	0.83	384,384	107
1600	0.83	384,384	107

IRIS: Very high cadence raster flare study

2025-10-07T20:59:45 to 2025-10-07T23:58:07

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 raster flare study

Target: AR

Pointing: xcen=928 ycen=130,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	4373
2796	0.04	68,68	4373

IRIS: SST Coordination on AR14226

2025-09-24T13:59:26 to 2025-09-24T17:59:53

Science Goal: Medium coarse 8-step raster 14x60 8s C II Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 3x faster

Program: SST Coordination on AR14226

Target: AR

Pointing: xcen=-416 ycen=-277,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	75,68	6332
2796	0.04	75,68	6332

IRIS: High-cadence Flare Watch of AR14217

2025-09-24T02:40:32 to 2025-09-24T03:58:00

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 of AR14217

Target: AR

Pointing: xcen=722 ycen=-332,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	2040
2796	0.04	68,68	2040

SOTSP: HOP 511 - AR 14168

2025-08-09T16:55:06 to 2025-08-09T17:27:27

Science Goal: Comparison of Spectra of Solar Magnetic Active Phenomena in Multiple Chromospheric and in TR/Coronal Lines

Program: Fast map, 164x164", 1-side, Q65, no repeat

Target: Active Region

Pointing: xcen=800 ycen=-18,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	162,162	511
6302A Velocity 6301.5A	0	162,162	511
6302A Transverse Flux Density	0	162,162	511
6302A Longitudinal Flux Density	0	162,162	511

SOTSP: HOP 393

2025-07-19T00:29:07 to 2025-07-19T01:32:20

Science Goal: Cycle 24/25 equatorial transition

Program: Fast Map, Full FOV 1 side CCD Q75

Target: Quiet Sun

Pointing: xcen=-7 ycen=-144,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	314,162	999
6302A Velocity 6301.5A	0	314,162	999
6302A Transverse Flux Density	0	314,162	999
6302A Longitudinal Flux Density	0	314,162	999

SOTSP: HOP 485 South

2025-06-26T11:04:05 to 2025-06-26T11:15:23

Science Goal: High-latitude magnetic field evolution during the sunspot cycle

Program: Fast deep mode, HOP81 in the eclipse, EAST -680

Target: South Pole

Pointing: xcen=-158 ycen=-904,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	21,162	67
6302A Velocity 6301.5A	0	21,162	67
6302A Transverse Flux Density	0	21,162	67
6302A Longitudinal Flux Density	0	21,162	67

SOTSP: Synoptic

2025-06-23T17:58:14 to 2025-06-23T18:00:04

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

SOTSP: HOP 393

2025-06-20T22:31:00 to 2025-06-20T23:33:27

Science Goal: cycle 24/25 transition

Program: Fast Map, Full FOV 1 side CCD Q75

Target: Central meridian

Pointing: xcen=16 ycen=-93,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	307,162	979
6302A Velocity 6301.5A	0	307,162	979
6302A Transverse Flux Density	0	307,162	979
6302A Longitudinal Flux Density	0	307,162	979

SOTSP: Track AR14105

2025-06-10T17:11:06 to 2025-06-10T17:53:03

Science Goal: Track AR

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=166 ycen=-327,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	210,162	663
6302A Velocity 6301.5A	0	210,162	663
6302A Transverse Flux Density	0	210,162	663
6302A Longitudinal Flux Density	0	210,162	663

SOTSP: New AR

2025-05-22T19:57:45 to 2025-05-22T20:45:09

Science Goal: Monitoring AR evolution

Program: Fast map, 230"x164", Q65, 1-side CCD

Target: Active Region

Pointing: xcen=-594 ycen=295,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	235,162	745
6302A Velocity 6301.5A	0	235,162	745
6302A Transverse Flux Density	0	235,162	745
6302A Longitudinal Flux Density	0	235,162	745

SOTSP: Synoptic

2025-05-04T17:42:15 to 2025-05-04T17:44:05

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

SOTSP: Synoptic

2025-04-30T06:24:13 to 2025-04-30T06:26:02

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

SOTSP: AR 14064 Obs.

2025-04-29T07:31:40 to 2025-04-29T08:36:20

Science Goal:

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

Target: Active Region

Pointing: xcen=898 ycen=142,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	322,162	1019
6302A Velocity 6301.5A	0	322,162	1019
6302A Transverse Flux Density	0	322,162	1019
6302A Longitudinal Flux Density	0	322,162	1019

SOTSP: Synoptic

2025-04-24T18:03:13 to 2025-04-24T18:05:02

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

255438 matches
prev 1...2577 2578 2579 2580 2581 2582 [2583] 2584 2585 2586 ...17030 next