SPECTRUM LOG:

     JD times for the SN 1992a spectra of kirshner1993 
     Bmax from kirshner1993 where the JD Bmax is JD  2448640.7 +/- 1.0 (1992jan19.2).

     As  far as I know, all the kirshner1993 spectra
     are in the observer frame.

     JD Bmax   Heliocentric velocity (Leda, 2007jul01)
     8640.7    1846. 
END:
8633.638      ! kirshner1993      1992jan12.138  4765.439999999998--8342.599999998943
8634.58       ! kirshner1993      1992jan13.08   3315.349--8373.349
8635.61       ! kirshner1993      1992jan14.11   3544.0--7096.940999999912
8639.6        ! CTIO/Cfa sn arch. 1992jan18.1    3541.68--7055.78
0.            !                   The time of day of the spectrum 
0.            !                   is my estimate.
8646.09       ! kirshner1993      1992jan24.59   1630.2436748749--8120.17
0.            !                   This is a mean date for a composite spectrum.
8647.5        ! CTIO/Cfa sn arch. 1992jan26.1    3540.12--7066.3
0.            !                   The time of day of the spectrum
0.            !                   is my estimate.
8649.54       ! kirshner1993      1992jan28.04   3144.286999999999--9885.200080000062
8664.54       ! CTIO/Cfa sn arch. 1992feb12.04   3645.1--6956.98