Dear Observers,

Updated list of targets for the upcoming lunation is below.  Enjoy!

This list of targets is also available at
http://www.asu.cas.cz/~asteroid/binastphotsurvey_neosource_targets20120521.txt

Clear Skies,

Petr Pravec

Object                       V    Dec  Elo   Mot Bga   H    q    a     Arc  Hrev        P              Ampl  U

0. Worked objects:
(2577)    Litva             15.9   16  142v  0.2  57  13.2 1.64 1.90  20opp
                  Return binary, monitoring events evolution useful.
(5474)    Gingasen          16.8  -11  134v  0.1  52  13.1 2.22 2.38  16opp
                  Return probable binary (2-period case), one more full 
                  night needed.
(5477)    Holmes            17.5   19  110v  0.3  74  14   1.77 1.92  14opp
                  Return binary, last data for this apparition will be
                  useful.
(5524)    Lecacheux         16.2    1  144v  0.1  59  12.8 2.30 2.37  21opp
                  Worked by Jim Brinsfield.
(6381)    Toyama            15.8    0  144v  0.1  59  13.2 2.00 2.26  16opp
                  Two semi-densely covered linked nights needed to 
                  establish - suitable as a supplementary target.
(7225)    Huntress          17.0  -15  134v  0.1  48  13.4 1.87 2.34  16opp
                  Return binary, only good quality data (errors <=0.02 mag)
                  are going to be useful.
(49904)   1999 XN165        17.5   11  121v  0.1  73  13.4 2.31 2.48  12opp
                  Two full nights (errors 0.02 mag) needed to nail down.
(51381)   2001 BG51         16.5   28  131   0.2  50  14.0 1.80 2.31  13opp
                  Slowish rotator, suitable to be worked as a supplementary
                  target on a few nights (semi-dense coverage, linked).

1. Returning binaries
(2754)    Efimov            17    -23  166v  0.3  32  13.6 1.71 2.23  19opp
                  D_2/D_1 = 0.22, P_orb = 14.78 h, 4th apparition
(3309)    Brorfelde         16.5  -50  115^  0.4 -39  13.9 1.72 1.82  15opp
                  D_2/D_1 = 0.26, P_orb = 18.46 h, 4th apparition
(3951)    Zichichi          16.5  -25  173^  0.2  19  12.6 1.93 2.34  16opp
                  D_2/D_1 = 0.33, P_orb = 27.59 h, 2nd apparition               
(5481)    Kiuchi            15.8  -32  169   0.2  17  13.3 2.19 2.34  16opp
                  D_2/D_1 = 0.33, P_orb = 20.90 h, 2nd apparition
(6244)    Okamoto           17.2  -28  126^  0.1 -24  13.6 1.83 2.16  13opp
                  D_2/D_1 = 0.25, P_orb = 20.32 h, 3rd apparition

2. Paired asteroids (errors <=0.03 mag needed):
(4905)    Hiromi            16.1   -8  165   0.2  27  12.1 2.17 2.60  19opp
(6070)    Rheinland         17.1  -20  173^  0.2  21  13.6 1.89 2.39  17opp
(88259)   2001 HJ7          16.8   -9  166   0.4  26  15.0 1.81 1.94   9opp

3. Returning "prime suspects", to be followed up on their 2nd (3rd, ...) apparitions
(2189)    Zaragoza          16.1   -3  153^  0.2  20  12.8 1.86 2.40  24opp 12.8       4.934           0.17  3
(4263)    Abashiri          15.8  -25  123^  0.1 -26  12.8 1.92 2.23  16opp 12.83      4.8821          0.15  3
(13977)   Frisch            15.9   -1  160   0.3  37  12.8 2.00 2.47  19opp 12.8       4.9991          0.15  3

4. New targets
(6498)    Ko                15.6   -7  159^  0.2  20  13.3 1.90 2.28  18opp
(12069)   1998 FC59         15.9   -9  165^  0.2  26  13.5 1.86 2.26  15opp
(12835)   Stropek           16.5   -6  166   0.2  32  14.1 2.03 2.32  13opp
(12867)   Joeloic           16.4   -9  168   0.3  28  13.6 1.83 2.32  14opp
(21780)   1999 RY237        16.5   -7  167   0.3  35  14.5 1.93 2.26  12opp
(21910)   1999 VT23         15.8   -8  167   0.2  31  13.6 1.83 2.27  18opp
(26286)   1998 SV65         15.8   -2  161   0.2  38  13.2 2.12 2.44  15opp
(44104)   1998 GO1          16.2   -4  162   0.2  29  14.1 1.97 2.30  11opp

Note: The ephemerides were computed for 2012-05-21
      ^/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:
(2577)
(5474)
(5477)
(5524)
(6381)
(7225)
(49904)
(51381)
(2754)
(3309)
(3951)
(5481)
(6244)
(4905)
(6070)
(88259)
(2189)
(4263)
(13977)
(6498)
(12069)
(12835)
(12867)
(21780)
(21910)
(26286)
(44104)