THE ASTRONOMER Electronic Circular No 711       1993 Feb 21 13.01UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England. Telephone/FAX(0256)471074 Int:+44256471074
TELEX: 9312111261 Answerback: TA G      TELECOM GOLD: 10074:MIK2885
GMH at UK.AC.RUTHERFORD.STARLINK.ASTROPHYSICS  STARLINK: RLSAC::GMH
GMH at UK.AC.CAM.ASTRONOMY.STARLINK            STARLINK: CAVAD::GMH
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SW URSAE MAJORIS
Further to the note on E710, it is evident that this star faded
extremely rapidly on Feb 19:
Feb 19.913   14.8  O.Midtskogen, Norway
    19.915   14.9  W.Worraker, Didcot, UK
    20.013   15.1  G.Poyner, Birmingham, UK
    20.415   15.1  M.Yamada, Japan
    20.454   15.2  M.Yamada, Japan

1215-17 CRV
Further to the note on E709, Taichi Kato in Japan reports that a
CCD image of the field was obtained on 1993 Feb 20.77UT. The
variable could not be seen on the TV monitor to a limit of V=17.

ALPHA ORIONIS
Observations are being received in response to the announcement on
E710 and IAUC 5708. However Veikko Makela, Finland has e-mailed to
advise observers to be cautious concerning the use of Aldebaran
as a comparison as it is itself a variable (0.75-0.95). He mentions
that he is using Procyon (0.4) and Pollux (1.2). On Feb 20 he
estimated Alpha Orionis at 0.7.

V686 MONOCEROTIS
A revised chart is now available for this mira variable (TA Vol 23
No 276 p200 [1987 April]):
\\\\\\V686 Mon     TAV 0723-03 Found by McNaught
S,120,10,S
P,07h 23.2m  -03 00'  (1950)
-C, 7.4283, -3.1000,2000
O,61,61,8.8,18v
-T,mira P=377.5d
-S,TA930221
R,10.20,17,72,1
R,10.64,49,112,2
R,11.37,44,41,3
R,11.71,60,60,4
R,12.12,69,76,5
R,12.71,51,79,6
R,13.45,56,65,7
R,13.87,68,63,8
R,14.02,63,96,9
M,10,119,11
M,11,90,64,34,13,117,32,116,99,105,119
M,12,16,14,7,58,27,71,8,116
M,13,95,24,29,7,80,22,10,32,13,42,26,42,6,71
M,13,92,9,86,48,9,27,1,11,3,83,8,17,77,70
M,13,12,80,45,62,21,71,28,75,116,76
M,13,105,27,110,90,2,85,29,70,13,43,111,88,66,14
M,13,12,45,58,103,77,111,9,112,99,60,114,108,59,109
M,13,54,116
M,14,44,16,66,16,5,32,89,41,32,43,70,35,84,11
M,14,17,37,48,10,69,3,90,62,56,81,117,84
M,14,81,61,57,87,113,60,89,60,30,70,3,85,23,28
M,14,18,98,103,102,92,72,50,105,4,7,106,65
M,14,8,115,23,113,44,57,105,97,87,67,37,90,115,109
M,14,83,118,50,12,99,99,97,62,114,61,116,75,108,48
M,15,22,29,60,41,62,2,97,63,44,118,49,12,44,117
M,15,8,26
E,102
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