SUMER study #579: South coronal hole boundary

• date, time: 11.Aug.96, 00:03 - 08:05 UT
  
• field of view: 721 arcsec E - 1 arcsec W, 1100 - 800 arcsec S
• slit: 1.0 arcsec x 300 arcsec (number 2)
• raster step size: 1.5 arcsec (4 elementary steps)
• exposure time: 60 seconds
• telemetry: 481 images of 50 spectral x 300 spatial pixels (format 8)
• compression: quasilog-min-max (method 5)
• wavelengths: 629.729 Å on reference pixel 242 of Detector A
  624.943 Å on reference pixel 461 of Detector A
  1242.01 Å on reference pixel 642 of Detector A
  1238.82 Å on reference pixel 715 of Detector A
• rotation compensation: no
• binning: no spectral, no spatial
• on-board flat field correction: no

Remarks: The study was initiated by D. Hassler (SwRI). It was part of SOHO Campaign #190 ("Whole Sun Month").

Mg X 624

O V 629

N V 1238

S II 1250

Si II 1250

C I 1249

Cont 1241

IED, 12.Mar.01