Re: 27541 Integral r1 bright and varying brightness

From: Ralph McConahy (rwmcconahy@earthlink.net)
Date: Mon Nov 18 2002 - 22:49:46 EST

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    Mark Hanning-Lee wrote:
    
    > 11/17 17:51 PST, 11/18 1:51 UTC:
    > Bright pass from 27541 Integral r1, predicted mag 2.4.
    > Mag 1.5 to 1 every 7 +- 1 sec; I was not setup for
    > flash timing.
    >
    > FYI there is another near-zenith pass over So Cal
    > tonight. N-bound, peak about 73 deg in the NW.
    >
    
    Observed the near-zenith pass of Integral r1 (27541, 02-048B) at
    19/0207-0210z (thanks for the heads up Mark). Early in the pass, when it was
    low in elevation, I may have seen one flash. Other than that it was steady.
    At about 45° elevation it was about mag +2 and gradually brightened until it
    was +1 to +0.5 before it entered shadow (brightening expected as the phase
    angle became more favorable as the pass progressed).
    
      Ralph McConahy
      34.8829N  117.0064W  670m
    
    
    
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