Dear Colleagues,

An updated list of targets is enclosed below.  It is also available on
http://www.asu.cas.cz/~asteroid/binastphotsurvey_listoftargets20060922.txt

The Brian's binary candidate (12735) requires a collaboration of a few 
stations to nail down its main period and to detect more attenuations.
The case of (3868) Mendoza has been quite tough; Julian and Russ have 
caught two partial and one complex attenuation, but the asteroid's 
unfavorable observational conditions didn't allow others to contribute 
recently and no good solution could be obtained from the available data 
so far.  Julian still plans to take more data if his weather holds.
For the binary (2754) Efimov, monitoring an evolution of its mutual events 
with changing geometry is needed.  I'll put ephemerides for the events 
to the binast-webtool.
And there is a plenty of new targets for you who want to start a new one
with two or more nights.

Clear Skies,

Petr Pravec

Object                       V    Dec  Elo   Mot Bga   H    q    a     Arc

0. Worked objects:
(2754)   Efimov             14.5   11  166   0.2 -46  13.5 1.71 2.23  10opp
                     Binary, follow up observations needed to monitor 
                     evolution of mutual events.  See the binast-webtool
                     for predicted event times.
(3868)   Mendoza            16.7  -15  115v  0.2 -17  13.0 2.10 2.33  12opp
                     Main period of 2.771 h well established.  A couple 
                     partial and one complex attenuation caught by 
                     Julian Oey and Russ Durkee.  No good solution so far,
                     but it apparently has a long Porb.
(3913)   Chemin             16.4  -13  141v  0.2 -41  12.2 1.83 2.36   9opp
                     Period of 3.41 h well established by David Higgins.
                     One marginally suspicious deviation.
(12735)  1991 VV1           16.1    7  137v  0.2 -25  13.6 1.90 2.45   9opp
                     Serious binary candidate (B. Warner).
(22321)  1991 RP            15.6  -20  149v  0.4 -54  13.7 1.80 2.42   5opp
                     A couple or a few linked nights needed for this one.

1. New targets:
(1290)   Albertine          15.1   21  145^  0.1 -40  12.5 2.00 2.37  15opp
(1634)   Ndola              15.9   -4  153^  0.2 -64  13.0 1.88 2.25  16opp
(1703)   Barry              15.0    7  139^  0.1 -48  12.4 1.84 2.21  16opp
(2259)   Sofievka           14.9   12  166^  0.3 -50  12.6 1.87 2.29  14opp
(2430)   Bruce Helin        14.9    1  130^  0.2 -46  12.2 1.86 2.36  13opp
(2590)   Mourao             14.9    8  172   0.2 -52  12.7 2.07 2.34   9opp
(2910)   Yoshkar-Ola        15.3    0  168^  0.2 -62  13.8 1.86 2.20   9opp
(3258)   Somnium            15.1    0  155^  0.2 -61  13.4 1.77 2.21   9opp
(3402)   Wisdom             16.1    3  172^  0.3 -59  15.2 1.54 2.13  11opp
(3773)   Smithsonian        14.4    0  172^  0.2 -62  13.3 1.77 2.17  12opp
(3850)   Peltier            15.9   -2  158^  0.2 -64  13.9 1.87 2.23   9opp
(4022)   Nonna              15.0    8  171   0.2 -51  12.7 2.06 2.36  10opp
(4080)   Galinskij          15.7   17  140^  0.1 -41  13.3 1.73 2.19  11opp
(4335)   Verona             15.2    9  147^  0.1 -50  13.6 1.73 2.21  12opp
(5171)   Augustesen         15.6   13  165^  0.2 -50  13.2 2.10 2.42   9opp
(6021)   1991 TM            16.2   -2  162^  0.2 -65  13.2 2.10 2.42  11opp
(6244)   Okamoto            15.0    7  172^  0.3 -54  13.6 1.83 2.16  11opp
(6263)   1980 PX            15.8    2  168^  0.2 -60  14.9 1.67 2.19   8opp
(6497)   Yamasaki           15.8   16  154^  0.1 -47  14.0 1.82 2.31   9opp
(7825)   1991 TL1           15.8   12  154^  0.3 -50  13.5 1.74 2.42   9opp
(11131)  1996 VO30          15.1    6  173   0.2 -53  13.8 1.83 2.26   9opp
(12071)  Davykim            15.9   -4  168^  0.2 -67  14.2 1.90 2.25   9opp
(12081)  1998 FH115         15.4   21  147^  0.1 -40  13.6 1.78 2.28   7opp
(12784)  1995 QE3           16.3    8  165^  0.2 -55  14.6 1.83 2.37   7opp
(15415)  Rika               15.5   18  157^  0.2 -45  14.2 1.70 2.20   7opp
(23260)  2000 YA34          15.4    9  169^  0.2 -53  14.3 1.76 2.23   9opp
(23293)  2000 YS131         15.8   11  168^  0.2 -51  14.6 1.77 2.22   8opp

Note: The ephemerides were computed for 2006-09-22
      ^/v means that the value increases/decreases by more than
      0.05 mag/day (for V) or by more than 0.5 deg/day for Dec and Elong.
      The rate of apparent motion (Mot) is in deg/day.
      Bga is the galactic latitude.

Compact listing:
(2754)
(3868)
(3913)
(12735)
(22321)
(1290)
(1634)
(1703)
(2259)
(2430)
(2590)
(2910)
(3258)
(3402)
(3773)
(3850)
(4022)
(4080)
(4335)
(5171)
(6021)
(6244)
(6263)
(6497)
(7825)
(11131)
(12071)
(12081)
(12784)
(15415)
(23260)
(23293)