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                          Compton Observatory

   *****************   BATSE Bright Source Report   *****************

                      (Earth Occultation Monitoring)

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            Data for: Apr. 18, 1997 thru Apr. 21, 1997   TJD 10556-10559

  Source        TJD          Flux      Spectral    Signif**   Comments
                        (ph/cm^2 sec,   Index*
                         20-100 keV)  (20-100 keV)

  CRAB          10556        0.34        -2.2        84.9
                10557        0.33                    71.2
                10558        0.32                    77.3
                10559        0.34                    83.0

  CYGX-1        10556        0.32        -2.0        76.5
                10557        0.27                    53.4
                10558        0.33                    79.4
                10559        0.36                    80.9

  SCOX-1        10556        0.28        -5.0        16.9
                10557        0.28                    20.2
                10558        0.19                    15.4
                10559        0.14                    11.5

  GRS1915+105   10556        0.10        -2.8        16.3
                10557        0.10                    15.8
                10558        0.13                    22.8
                10559        0.12                    17.4

  GX339-4       10556        0.07        -2.4        10.7
                10557        0.06                     8.1
                10558        0.07                    12.6
                10559        0.07                     6.5

  VELAX-1       10556        0.08        -3.7         7.1
                10557        0.16                    15.4
                10558        0.10                     8.7
                10559        0.11                     8.0

  4U1700-377    10556        0.05        -3.0         6.0
                10557        0.14                    17.2
                10559        0.05                     4.5

  GRS1758-258   10556        0.03        -2.0         5.4
                10557        0.02                     4.1
                10558        0.02                     5.0
                10559        0.02                     4.5

  NGC4151       10556        0.02        -2.0         5.3
                10557        0.02                     4.6

  1E1740-29     10556        0.07        -2.5         5.1
                10557        0.03                     3.0
                10558        0.04                     4.0
                10559        0.05                     4.8

  OAO1657-415   10556        0.05        -3.4         5.0
                10558        0.05                     5.0
                10559        0.09                     7.1

  CYGX-3        10559        0.06        -3.3         5.7

  CEN_A         10559        0.01        -1.9         3.3

  Notes:   * Spectral index for power law fit to photon number spectrum
             (photons/cm^2-s) in 20-100 keV band

           **Detection Significance, = Flux/Sigma

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  The information given above comes from the quick-look analysis performed
  daily on data obtained from the Burst and Transient Source Experiment (BATSE).
  The typical sensitivity of these measurements using the Earth occultation
  technique (one-day integration) is ~100 mCrab. Be aware that sources within
  about 22 degrees of the orbital poles are not occulted by the Earth;
  therefore, some bright sources may not show up in the daily averages.

  These quick-look science results are freely available, but should be 
  considered preliminary.  Please use with caution.  For additional information,
  contact B.A. Harmon (harmon@sslmor.msfc.nasa.gov).