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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252997 matches
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IRIS: High-cadence flare raster (AR 14475)

2026-07-02T02:39:15 to 2026-07-02T03:58:07

Science Goal: Large coarse 8-step raster 14x120 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 raster (AR 14475)

Target: AR

Pointing: xcen=918 ycen=-124,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	138,130	570
2796	0.04	138,130	569

IRIS: SUIT coordination, disk-center AR (AR 14478)

2026-07-02T01:39:13 to 2026-07-02T02:29:34

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 coordination, disk-center AR (AR 14478)

Target: AR

Pointing: xcen=330 ycen=-108,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,179	48
1400	0.26	289,179	192
2796	0.26	289,179	192

IRIS: SST coordination (AR 14479)

2026-06-30T06:44:03 to 2026-06-30T11:59:43

Science Goal: Large coarse 8-step raster 14x120 8s Si IV Mg II h/k Mg II w Deep x 2 Spatial x 2, Spectral x 2

Program: SST coordination (AR 14479)

Target: AR

Pointing: xcen=155 ycen=234,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	0.21	136,131	1506
1400	0.21	136,131	1506
2796	0.21	136,131	1505

IRIS: SUIT/Aditya-L1 coordination AR disk center

2026-06-30T01:39:05 to 2026-06-30T02:35:44

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 AR disk center

Target: AR

Pointing: xcen=-102 ycen=-136,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
2832	1.05	289,179	54
1400	0.26	289,179	216
2796	0.26	289,179	216

IRIS: BBSO coordination

2026-06-29T17:39:44 to 2026-06-29T23:39:06

Science Goal: Large coarse 16-step raster 30x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2

Program: BBSO coordination

Target: CR

Pointing: xcen=949 ycen=133,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	152,129	2119
2796	0.17	152,129	2120

IRIS: High cadence flare study

2026-06-29T02:42:09 to 2026-06-29T04:02:51

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

Program: High cadence flare study

Target: AR

Pointing: xcen=-425 ycen=-145,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.14	59,66	588

IRIS: Flare Study B

2026-06-28T05:29:36 to 2026-06-28T07:29:13

Science Goal: Large sit-and-stare 0.3x120 1s C II Si IV Mg II h/k Deep x 8 FUV spectrally rebinned x 2

Program: Flare Study B

Target: AR

Pointing: xcen=363 ycen=-181,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.47	121,129	254
1400	0.47	121,129	254
2796	0.47	121,129	254

IRIS: B1: AR tracking from limb to limb

2026-06-28T04:59:55 to 2026-06-28T05:18:01

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

Program: B1: AR tracking from limb to limb

Target: AR

Pointing: xcen=365 ycen=-167,

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 from limb to limb

2026-06-28T04:21:39 to 2026-06-28T04:31:15

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=297 ycen=537,

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: A1: QS monitoring

2026-06-28T03:52:09 to 2026-06-28T04:10:13

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=148 ycen=159,

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: BBSO coordination

2026-06-27T17:28:07 to 2026-06-27T23:28:51

Science Goal: Large coarse 16-step raster 30x120 16s Si IV Mg II h/k Deep x 4 Spatial x 2, Spectral x 2

Program: BBSO coordination

Target: CR

Pointing: xcen=949 ycen=133,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1400	0.17	152,129	2128
2796	0.17	152,129	2128

IRIS: Flare study C

2026-06-27T13:18:34 to 2026-06-27T17:18:24

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

Program: Flare study C

Target: AR

Pointing: xcen=-529 ycen=-152,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1504

IRIS: Flare study C

2026-06-27T09:19:14 to 2026-06-27T13:08:51

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

Program: Flare study C

Target: AR

Pointing: xcen=-702 ycen=-103,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.16	73,65	1440

IRIS: High cadence raster flare study

2026-06-27T07:09:27 to 2026-06-27T09:09:33

Science Goal: Large coarse 8-step raster 14x120 8s C II Mg II h/k Deep x 0.5 Spatial x 2, Spectral x 2 SJI cadence 3x faster

Program: High cadence raster flare study

Target: AR

Pointing: xcen=-605 ycen=-143,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	0.04	135,129	2960
2796	0.04	135,129	2960

IRIS: C1: South Pole

2026-06-27T06:24:10 to 2026-06-27T06:58:21

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

Program: C1: South Pole

Target: (NONE)

Pointing: xcen=10 ycen=-939,

saaIntervals hiIntervals

wavelength	cadence	FOVx,y	images
1330	2.14	296,182	16
2832	2.14	296,182	16
1400	2.14	296,182	16
2796	2.14	296,182	16

252997 matches
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