IRIS: BBSO Coord: Coronal Hole (HOP 508)
2025-07-02T16:30:19 to 2025-07-02T21:33:14
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=40 ycen=-559
Instrument: IRIS
Description:
BBSO Coord: Coronal Hole (HOP 508)
250 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: (40.0 arcsec, -559.0 arcsec)
OBS duration: 18175.0 seconds = 250 repeats x 72.7 seconds/repeat
OBS data volume: 908.8 megabytes = 7270.0 megabits = 18175.0 seconds * 0.4 megabits/second
Hits: 27
Planner: Aparna Venkataramanasastry