________________________________________________________________________________

Rootname           Instrument                Target Name
Y0PE0702T             FOS                    B20923+39

Program         = 0PE                  Obs Date        = 27/12/91
Observation set = 07                   Proposal ID     = 2578
Observation     = 02                   Exposure ID     = 8.1200000
Source          = Tape Recorded        Right ascension =   9:27:03.0
File Type       = FLX                  Declination     =  39:02:20
                                       Equinox         = J2000

Aperture = A-1              Detector  = AMBER        Number of groups = 17
Polarizer = C               Disperser = H19          Parameters/group = 19
Obs mode  = SPECTROSCOPY                             Naxis1           = 2064

Position angle = 0.1436157  Patterns      = 12       No channels    = 512
Obs time       = 12:26:38   Readouts      = 17       Comb           = 5
Exposure/pixel = 520.4869   Memory clears = 1        Sub step       = 4
Live time      = 0.2551406  X base        = 0.       Bins           = 1
Dead time      = 0.01       Y base        = -301.    Y size         = 1
Integrations   = 2          First channel = 0        Y space        = 0.
Total exposure = 2081.948
________________________________________________________________________________

Rootname           Instrument                Target Name
Y0PE0703T             FOS                    B20923+39

Program         = 0PE                  Obs Date        = 27/12/91
Observation set = 07                   Proposal ID     = 2578
Observation     = 03                   Exposure ID     = 8.2200000
Source          = Tape Recorded        Right ascension =   9:27:03.0
File Type       = FLX                  Declination     =  39:02:20
                                       Equinox         = J2000

Aperture = A-1              Detector  = AMBER        Number of groups = 10
Polarizer = C               Disperser = H27          Parameters/group = 19
Obs mode  = SPECTROSCOPY                             Naxis1           = 2064

Position angle = 0.1436157  Patterns      = 12       No channels    = 512
Obs time       = 14:04:19   Readouts      = 10       Comb           = 5
Exposure/pixel = 301.5      Memory clears = 1        Sub step       = 4
Live time      = 0.25125    X base        = 0.       Bins           = 1
Dead time      = 0.01       Y base        = 346.     Y size         = 1
Integrations   = 2          First channel = 0        Y space        = 0.
Total exposure = 1206.
________________________________________________________________________________

Rootname           Instrument                Target Name
Y1170102T             FOS                    B20923+39

Program         = 117                  Obs Date        = 24/01/93
Observation set = 01                   Proposal ID     = 4052
Observation     = 02                   Exposure ID     = 1.1200000
Source          = Tape Recorded        Right ascension =   9:27:03.0
File Type       = FLX                  Declination     =  39:02:20
                                       Equinox         = J2000

Aperture = A-1              Detector  = AMBER        Number of groups = 18
Polarizer = C               Disperser = H19          Parameters/group = 19
Obs mode  = SPECTROSCOPY                             Naxis1           = 2064

Position angle = 315.4487   Patterns      = 12       No channels    = 512
Obs time       = 11:27:47   Readouts      = 18       Comb           = 5
Exposure/pixel = 546.2944   Memory clears = 1        Sub step       = 4
Live time      = 0.2529141  X base        = 0.       Bins           = 1
Dead time      = 0.01       Y base        = -311.    Y size         = 1
Integrations   = 2          First channel = 0        Y space        = 0.
Total exposure = 2185.178
________________________________________________________________________________

Rootname           Instrument                Target Name
Y1170103T             FOS                    B20923+39

Program         = 117                  Obs Date        = 24/01/93
Observation set = 01                   Proposal ID     = 4052
Observation     = 03                   Exposure ID     = 1.2200000
Source          = Tape Recorded        Right ascension =   9:27:03.0
File Type       = FLX                  Declination     =  39:02:20
                                       Equinox         = J2000

Aperture = A-1              Detector  = AMBER        Number of groups = 10
Polarizer = C               Disperser = H27          Parameters/group = 19
Obs mode  = SPECTROSCOPY                             Naxis1           = 2064

Position angle = 315.4487   Patterns      = 12       No channels    = 512
Obs time       = 13:05:21   Readouts      = 10       Comb           = 5
Exposure/pixel = 301.5      Memory clears = 1        Sub step       = 4
Live time      = 0.25125    X base        = 0.       Bins           = 1
Dead time      = 0.01       Y base        = 341.     Y size         = 1
Integrations   = 2          First channel = 0        Y space        = 0.
Total exposure = 1206.