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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252442 matches
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IRIS: Flare study on AR 14334 (not following Hinode on AR 14336)

2026-01-09T11:00:21 to 2026-01-09T11:58:22

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: Flare study on AR 14334 (not following Hinode on AR 14336)

Target: AR

Pointing: xcen=167 ycen=-212,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	68,68	1528
2796	0.04	68,68	1528

IRIS: SUIT/Aditya-L1 coordination on near-disk-center AR 14334

2026-01-09T01:18:32 to 2026-01-09T02:15:11

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

Program: SUIT/Aditya-L1 coordination on near-disk-center AR 14334

Target: AR

Pointing: xcen=71 ycen=-203,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,182	54
1400	0.26	289,182	216
2796	0.26	289,182	216

IRIS: B1: AR tracking (limb-to-limb), on new AR 14336

2026-01-08T07:31:29 to 2026-01-08T07:49:34

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

Program: B1: AR tracking (limb-to-limb), on new AR 14336

Target: AR

Pointing: xcen=-535 ycen=-113,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	1.13	247,130	16
2832	1.13	247,130	16
1400	1.13	247,130	16
2796	1.13	247,130	16

SOTSP: HOP 485 South 60 deg.

2025-12-25T12:04:06 to 2025-12-25T14:57:40

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

Program: Fast deep mode, 2048 slit position, LIMB ONLY

Target: South Pole

Pointing: xcen=-20 ycen=-859,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
6302A Continuum Intensity	0	321,162	1020
6302A Velocity 6301.5A	0	321,162	1020
6302A Transverse Flux Density	0	321,162	1020
6302A Longitudinal Flux Density	0	321,162	1020

XRT: null

2025-12-24T22:55:59 to 2025-12-25T02:09:48

Science Goal:

Program:

Target:

Pointing: xcen=-448 ycen=154,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
Be_thin+Open	17.79	395,395	8
Open+Gband	32.75	396,396	6
Open+Ti_poly	81.86	395,395	3
Al_poly+Open	16.56	395,395	10

IRIS: B2: QS tracking from limb to limb

2025-12-23T08:22:47 to 2025-12-23T08:32:23

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

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=-643 ycen=-447,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

IRIS: B2: QS tracking from limb to limb

2025-12-21T05:06:26 to 2025-12-21T05:16:02

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

Program: B2: QS tracking from limb to limb

Target: QS

Pointing: xcen=-506 ycen=-345,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	3.2	203,182	3
2832	3.2	203,182	3
1400	3.2	203,182	3
2796	3.2	203,182	3

IRIS: Low-telemetry flare watch

2025-12-18T10:20:58 to 2025-12-18T11:17:01

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 flare watch

Target: AR

Pointing: xcen=922 ycen=-247,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.46	62,68	122
1400	0.46	62,68	122
2796	0.46	62,68	122

IRIS: Limb AR watch / PSP Coordination

2025-12-13T15:24:23 to 2025-12-13T16:29:27

Science Goal: Medium coarse 8-step raster 14x60 8s C II Deep x 8 FUV spectrally rebinned x 2

Program: Limb AR watch / PSP Coordination

Target: AR

Pointing: xcen=976 ycen=-261,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	408

IRIS: Calib 13: Stellar HD144470 (Pointing 3)

2025-11-25T20:38:01 to 2025-11-25T21:04:59

Science Goal: Stellar_Cal_HD144470_2025_Pointing_3

Program: Calib 13: Stellar HD144470 (Pointing 3)

Target: (NONE)

Pointing: xcen=-480 ycen=802,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2	399,182	13
1400	2	399,182	14

IRIS: C1: North Pole

2025-11-15T05:13:28 to 2025-11-15T05:47:38

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

Program: C1: North Pole

Target: CH

Pointing: xcen=-5 ycen=968,

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: SUIT Coordination

2025-11-01T00:12:42 to 2025-11-01T01:04:06

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 Coordination

Target: AR

Pointing: xcen=-628 ycen=-215,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	65,68	315
2796	0.16	65,68	315

EIS: HOP515

2025-10-02T06:23:50 to 2025-10-02T07:22:23

Science Goal: EL_DHB_01v3

Program:

Target:

Pointing: xcen=28 ycen=-16,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
MgVI		50,152	null
FeXIII		50,152	null
FeX		50,152	null
FeXVI		50,152	null
SiX		50,152	null
CaXVII		50,152	null
FeXXIV		50,152	null
SiVII		50,152	null
FeXI		50,152	null
FeXV		50,152	null
MgVII		50,152	null
MgV		50,152	null
OV		50,152	null
CaXV		50,152	null
FeXII		50,152	null
FeIX		50,152	null
FeXXIII		50,152	null
FeVIII		50,152	null
FeXIV		50,152	null

XRT: null

2025-09-30T12:34:02 to 2025-09-30T12:46:52

Science Goal:

Program:

Target:

Pointing: xcen=-508 ycen=-22,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
Be_med+Open	0.54	395,395	12
Be_thin+Open	0.07	2,107,2,107	2
Open+Be_thick	0.6	395,395	9
Al_poly+Open	0.36	2,107,2,107	37

AIA: null

2025-08-05T15:25:00 to 2025-08-05T16:20:00

Science Goal: ssw_service_250805_091009_45596_ssmq_

Program:

Target:

Pointing: xcen=111 ycen=-34,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
335	1.12	600,450	50
211	1.12	600,450	50
171	1.12	600,450	50
1700	1.11	600,450	50
304	1.12	600,450	50
131	1.12	600,450	50
94	1.12	600,450	50
193	1.12	600,450	50

252442 matches
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