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THE ASTRONOMER Electronic Circular No 1429      1999 Jly 27 21.06UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK             GMH at AST.STAR.RL.AC.UK
WORLD WIDE WEB                    http://www.demon.co.uk/astronomer
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V635 CAS (=Q1999/270)
Gary Poyner, Birmingham, reports that V635 Cas (4U 0115+634) is
bright.  His recent visual observations follow:

Jly 5.057 UT   mv=15.3
    8.069         15.3
   11.048         15.4
   12.042         15.3
   13.065         15.4
   17.076         15.3
   18.065         15.4
   23.074         15.2
   24.051         14.6
   24.086         14.5

The last occasion that V635 Cas was seen this bright visually
was 1998 October, but that was a short duration flare (3d).  A
similar magnitude was reached during the prolonged outburst of
1995-1996, when its magnitude remained above 15.0 for just over
5 months.

HT CAS (=Q1999/271)
E.Muyllaert, Ostend, Belgium reports an outburst of the UG star,
HT Cas which was observed on 1999 July 26.941UT at magnitude
12.9 visual (0.21-m T).
A later report of an apparently independent detection by Patrick
Schmeer in Germany:
1999 July 25.931 UT, [13.3 ; 26.087, [13.6 ; 26.925,  12.5:;
27.090,  12.7 ; 27.093 UT,  12.3
Patrick adds:
Part of eclipse egress observed.
Some haze + clouds + full moon
The most recent superoutburst of HT Cas occurred in 1985 January,
when the star peaked at mv= 10.8 (cf. IAUC 4027). This magnitude
estimate, however, may be too bright by about one magnitude if it
is based on the old AAVSO sequence.
High-speed photometry during the current outburst is urgently
required.

Guy M Hurst