IRIS: BBSO coordination, plage

2026-05-21T17:30:28 to 2026-05-21T18:30:12

Science Goal: Medium dense 2-step raster 0.33x60 2s Deep x 4

Program: BBSO coordination, plage

Target: AR

Pointing: xcen=339 ycen=169,

SOTSP: HOP 529

2026-05-21T17:04:00 to 2026-05-21T17:29:30

Science Goal: Chromospheric Flare Precursors: Identifying Early Warning Signs

Program: Fast mode, summingxbinning, 20"x81.2", CCD-1side, repeats

Target: Active Region

Pointing: xcen=550 ycen=90,

XRT: DKIST coordination 3

2026-05-21T16:59:54 to 2026-05-21T20:59:54

Science Goal:

Program: XOB:1D35; HOP526_AR_ThinBe_MedBe_384x384_60sec(1D11)

Target: AR

Pointing: xcen=0 ycen=0,

SOTSP: Synoptic

2026-05-21T16:54:00 to 2026-05-21T16:59:35

Science Goal: Synoptic

Program: Synoptic Very Fast Map, 15"x162", 3 mins.

Target: Calibration, Synoptic

Pointing: xcen=0 ycen=0,

XRT: Synoptic 5

2026-05-21T16:49:54 to 2026-05-21T16:59:54

Science Goal: Synoptic

Program: XOB:1C9B; Synoptic 8 Filter w/ Al-mesh(5/182/1443), Al-poly(12/256/2048), Thin-Be(45/1024/8192), Thick-Be(65536), Med-Al(512/5795/32768), Med-Be(256/5795/23142), Al-poly+Ti-poly(64/4096) - Dark cal - Gband/Leak(1ms)(1D2F)

Target: FS

Pointing: xcen=469 ycen=90,

IRIS: High-cadence flare program, AR 14439

2026-05-21T16:10:52 to 2026-05-21T17:20:02

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

Program: High-cadence flare program, AR 14439

Target: AR

Pointing: xcen=-190 ycen=138,

SOTSP: AR 14441

2026-05-21T14:44:30 to 2026-05-21T15:30:00

Science Goal: Observe an AR

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

Target: Active Region

Pointing: xcen=468 ycen=90,

SOTSP: AR 14441

2026-05-21T09:50:00 to 2026-05-21T10:57:00

Science Goal: Observe an AR

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

Target: Active Region

Pointing: xcen=468 ycen=90,

SOTSP: AR 14441

2026-05-21T08:12:00 to 2026-05-21T09:19:00

Science Goal: Observe an AR

Program: Normal Map, 102x102", 1 side CCD

Target: Active Region

Pointing: xcen=468 ycen=90,

IRIS: SST coordination, AR 14441

2026-05-21T07:59:41 to 2026-05-21T11:57:55

Science Goal: Medium dense 32-step raster 10.24x60 32s Si IV Mg II h/k Mg II w Deep x 4 FUV spectrally rebinned x 2 SJI cadence 0.5x faster

Program: SST coordination, AR 14441

Target: AR

Pointing: xcen=516 ycen=151,

XRT: AR Obs 3

2026-05-21T06:43:54 to 2026-05-21T16:49:54

Science Goal:

Program: XOB:1C8E; AR - Standard Core - (Filter-Ratio with Al/poly and thin-Be long/short pairs) with PFB, 384x384 at 1064 1048, thin-Be, and Al/poly context, with G-band (1ms/1ms VLS=CLS), 90 cad (1BB9)

Target: AR

Pointing: xcen=0 ycen=0,

XRT: Synoptic 4

2026-05-21T06:33:54 to 2026-05-21T06:43:54

Science Goal: Synoptic

Program: XOB:1C8D; Synoptic 8 Filter w/ Al-mesh(5/182/1443), Al-poly(12/256/2048), Thin-Be(45/1024/8192), Thick-Be(65536), Med-Al(512/5795/32768), Med-Be(256/5795/23142), Al-poly+Ti-poly(64/4096) - Dark cal - Gband/Leak(1ms)(1D2F)

Target: FS

Pointing: xcen=0 ycen=0,

IRIS: B1: AR tracking, AR 14436

2026-05-21T05:10:20 to 2026-05-21T05:28:26

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

Program: B1: AR tracking, AR 14436

Target: AR

Pointing: xcen=883 ycen=299,

SOTSP: Focus Test

2026-05-21T04:55:30 to 2026-05-21T05:30:30

Science Goal: Focus Test

Program: SP Focus Test fully self-contained (center=-41)

Target:

Pointing: xcen=0 ycen=0,

IRIS: B2: QS tracking (near AR 14436)

2026-05-21T04:49:59 to 2026-05-21T04:59:35

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

Program: B2: QS tracking (near AR 14436)

Target: QS

Pointing: xcen=931 ycen=58,