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[vsnet-campaign 516] IY UMa: eclipse ephemeris




  Now the altitude of the target is very low, we will terminate the 
observation of IY UMa on this evening soon.  
If the weather is good, we will have more long run before morning.
The magnitude is not significantly changed from my previous report.
 
  I attached the eclipse ephemeris of IY UMa below. 
Please note that:
  1. The time is heliocentric, not geocentric.
  2. The ephemeris is calculated from the timings of mid-eclipse observed 
	in 2000 January superoutburst (Uemura et al. 2000, PASJ 52,L9).
	A normal outburst was observed on 2000 April, but these data are 
        not included for the calculation (a few minutes error of the ephemeris 
        was reported during the normal outburst).

Regards,
Makoto Uemura

---------------
September (UT, heliocentric)
d   h  m  s        cycle
29  9 52 09.304330 3459 
29 11 38 35.404795 3460
29 13 25 01.505260 3461
29 15 11 27.605765 3462
29 16 57 53.706231 3463
29 18 44 19.806696 3464
29 20 30 45.907201 3465
29 22 17 12.007666 3466
30  0  3 38.108131 3467
30  1 50 04.208636 3468
30  3 36 30.309101 3469
30  5 22 56.409607 3470
30  7  9 22.510072 3471
30  8 55 48.610537 3472
30 10 42 14.711042 3473
30 12 28 40.811507 3474
30 14 15 06.911972 3475
30 16  1 33.012477 3476
30 17 47 59.112943 3477
30 19 34 25.213448 3478
30 21 20 51.313913 3479
30 23  7 17.414378 3480

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