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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253553 matches
prev 1...16897 16898 16899 16900 16901 16902 16903 [16904]

IRIS: B1: AR tracking

2026-07-30T05:28:49 to 2026-07-30T05:46:55

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=-690 ycen=162,

saaIntervals hiIntervals

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

IRIS: B2: QS tracking

2026-07-30T05:09:14 to 2026-07-30T05:18:50

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

Program: B2: QS tracking

Target: QS

Pointing: xcen=-713 ycen=-74,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	206,179	3
2832	3.2	206,179	3
1400	3.2	206,179	3
2796	3.2	206,179	3

IRIS: SUIT Coordination: AR close to disk center

2026-07-30T01:30:14 to 2026-07-30T02:33:54

Science Goal: Very large coarse 64-step raster 126x175 64s Si IV Mg II h/k Mg II w s Deep x 2 Spatial x 4, Spectral x 4

Program: SUIT Coordination: AR close to disk center

Target: AR

Pointing: xcen=145 ycen=-14,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.8	293,179	80
1400	0.2	293,179	320
2796	0.2	293,179	320

IRIS: BBSO coordination

2026-07-25T17:29:24 to 2026-07-25T23:32:09

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

Program: BBSO coordination

Target: AR

Pointing: xcen=756 ycen=44,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2796	0.03	61,68	11659

IRIS: THEMIS Coordination/IHOP 539: AR 14499

2026-07-31T06:20:22 to 2026-07-31T07:58:34

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

Program: THEMIS Coordination/IHOP 539: AR 14499

Target: AR

Pointing: xcen=-36 ycen=-26,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.62	284,179	115
2832	0.62	284,179	114
1400	0.62	284,179	114
2796	0.62	284,179	114

IRIS: Flare study: AR 14500

2026-07-31T04:47:46 to 2026-07-31T06:06:27

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Flare study: AR 14500

Target: AR

Pointing: xcen=-544 ycen=180,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.2	133,128	387

IRIS: Flare study: AR 14498

2026-07-30T18:05:56 to 2026-07-30T23:26:06

Science Goal: Large coarse 8-step raster 14x120 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Flare study: AR 14498

Target: AR

Pointing: xcen=-606 ycen=176,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	133,128	2000

IRIS: SST Coordination: AR 14496

2026-07-29T08:26:48 to 2026-07-29T12:26:54

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: AR 14496

Target: AR

Pointing: xcen=-9 ycen=-13,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.39	128,131	402
1400	0.38	128,131	408
2796	0.39	128,131	404

253553 matches
prev 1...16897 16898 16899 16900 16901 16902 16903 [16904]