IRIS: Equatorial coronal hole
2025-11-24T09:08:22 to 2025-11-24T10:05:18
Program: OBS 3445202860: Very large sparse 64-step raster 63x175 64s Si IV Mg II h/k Mg II w Deep x 0.5 Spatial x 4, Spectral x 4
Target: CH
xcen=150 ycen=-84
Instrument: IRIS
Description:
Equatorial coronal hole
47 repeats of OBSID 3445202860 - Very large sparse 64-step raster 63x175 64s Si IV Mg II h/k Mg II w Deep x 0.5 Spatial x 4, Spectral x 4
IRIS roll: 0.0 degrees
IRIS planner pointing: (150.3 arcsec, -84.4 arcsec)
OBS duration: 3416.9 seconds = 47 repeats x 72.7 seconds/repeat
OBS data volume: 170.8 megabytes = 1366.8 megabits = 3416.9 seconds * 0.4 megabits/second