SUMER study: Sunspot scan of 06.May.99

• date, time: 06.May.99, 11:37 - 11:42 UT
• field of view: 258 - 293 arcsec W, 277 - 380 arcsec N
• slit: 1.0 arcsec x 120 arcsec, centered (number 4)
• raster step size: 1.505 arcsec (4 elementary steps)
• exposure time: 10 seconds
• telemetry: 24 images of 50 spectral x 120 spatial pixels (format 10)
• compression: quasilog-min-max (method 5)
• wavelength: 1478.5 Å on reference pixel 400 of Detector B
• rotation compensation: standard
• binning: no spectral, no spatial
• on-board flat field correction: no

Remarks: The scan was followed by a reference spectrum over the active region.

Spectral window

Continuum at 1478 Å

The size of the image is approximately 26 000 km x 74 000 km.

IED, 07.May.99