Table 1

  Phototube    Carriage   Spectrum
 Designation    Number     Order    Exit Slit (Å)   Wavelength (Å)

     U1           1          2          0.05           710-1500
     V1           1          1          0.10          1640-3185
     U2           2          2          0.20           750-1645
     V2           2          1          0.40          1480-3275