TABLE 1 - HST observations of NGC 4535

   Date            JD       Exp. Time [s] Filter 

 1994 Jun 09   2449512.47   2000 + 1600   F555W 
               2449512.60   2100 + 1500   F814W 
 1996 May 24   2450227.55   3 x 1200      F555W 
               2450227.63   3 x 1300      F814W 
 1996 Jun 01   2450235.59   3 x 1200      F555W 
               2450235.68   3 x 1300      F814W 
 1996 Jun 12   2450246.32   3 x 1200      F555W 
               2450246.40   3 x 1300      F814W 
 1996 Jun 15   2450249.14   2 x 1300 +    F555W 
                            2 x 1200 
 1996 Jun 18   2450252.08   3 x 1200      F555W 
               2450252.16   3 x 1300      F814W 
 1996 Jun 21   2450255.31   2 x 1300 +    F555W 
                            2 x 1200
 1996 Jun 25   2450259.05   3 x 1200      F555W 
               2450259.13   3 x 1300      F814W 
 1996 Jun 29   2450263.08   2 x 1300 +    F555W 
                            2 x 1200
 1996 Jul 03   2450267.49   3 x 1200      F555W 
               2450267.58   3 x 1300      F814W 
 1996 Jul 10   2450274.34   2 x 1300 +    F555W 
                            2 x 1200
 1996 Jul 23   2450287.26   3 x 1200      F555W 
               2450287.36   3 x 1300      F814W 
 1996 Aug 07   2450302.14   3 x 1200      F555W 
               2450302.22   3 x 1300      F814W 

The following reference files were used in the calibration of these
exposures. File names follow the conventions adopted by the Space Telescope
Science Institute. MASKFILE = e2112084u.r0h ('94), f821308u.r0h ('96);
ATODFILE = dbu1405iu.r1h; BIASFILE = e4p1629bu.r2h ('94), fcb1504tu.r2h ('96);
DARKFILE = e5d0918hu.r3h ('94), g5f1343hu.r3h (May 24 \ Jun 01 '96),
g631000pu.r3h (Jun 12 '96), g6b1218ou.r3h (Jun 15 - 25 '96), g6l14214u.r3h
(Jun 29 - Jul 03 '96), g7509139u.r3h (Jul 10 '96), g7p1906bu.r3h (Jul 23 '96),
g7g1427pu.r3h (Aug 07 '96); FLATFILE = e380935cu.rh4 ('94 F555W),
e391434fu.r4h ('94 F814W), fcl0935iu.r4h (May 24 \ Jun 01 '96 F555W),
fcl0935nu.r4h (May 24 \ Jun 01 '96 F814W), g640925nu.r4h (all other F555W),
g6409260u.r4h (all other F814W); SHADFILE = e371355eu.r5h (shutter A),
e371355iu.r5h (shutter B), depending on the shutter used at the start of the
exposure; GRAPHTAB = dc614258m.tmg ('94), g1q1547nm.tmg ('96); COMPTAB =
dc61424rm.tmc ('94), g1q1547cm.tmc ('96)\baselineskip=13pt