SPECTRUM LOG:

     JD times for the SN 1997cn spectra of turatto1998. 

     Bmax 1997may15.4 UT (JD 2450583.9) (jha2006, p. 549).
          1997may19.5 +/- 1 UT (JD 2450588) (turatto1998, p. 2434).
     Since turatto1998 have some earlier data and it is all postmax,
     we will trust turatto1998 for now.

     Are the turratto wavelengths are observed or rest?
     Very, very few clues.

     JD Bmax   Heliocentric velocity (Leda, 2007jul01)
     0588.     4855. 
END:
0590.62    ! turatto1998  1997may22.12  3543.0400000000--7411.4399514618
0614.85    ! turatto1998  1997jun15.35
0665.52    ! turatto1998  1997aug05.02