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_targets20120421.txt

Clear Skies,

Petr Pravec

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

0. Worked objects:
(3554)    Amun              15.3f -40  121v  1.0  12a 15.8 0.70 0.97  16opp
                  YORP target, one lightcurve (2.53 h) each couple weeks
                  sufficient.
(3673)    Levy              16.9    9  131v  0.1  58  12.8 1.91 2.35  19opp
                  Return binary, monitoring needed, see the binast-webtool.
(5407)    1992 AX           16.5   33   99v  0.4  43  14.5 1.33 1.84  18opp
                  Return binary, monitoring needed, see the binast-webtool.
(5477)    Holmes            17     27  133v  0.3  80  14   1.77 1.92  14opp
                  Return binary, monitoring needed, see the binast-webtool.
(7225)    Huntress          16.1  -18  163v  0.2  45  13.4 1.87 2.34  16opp
                  Return binary, monitoring needed, see the binast-webtool.
(11001)   Andrewulff        15.9    5  153v  0.2  68  14.2 1.75 2.23  15opp
                  Binary suspect, see binast-webtool.
(49904)   1999 XN165        16.8   13  149v  0.2  76  13.4 2.31 2.48  12opp
                  Worked from Modra.

1. Returning binaries
(2577)    Litva             15.7    9  147   0.4  47  13.2 1.64 1.90  20opp
                  D_2/D_1 = 0.34, P_orb = 35.87 h, 3rd apparition
(5474)    Gingasen          16.0  -14  165v  0.2  49  13.1 2.22 2.38  16opp
                  Probable binary (2 rotational components, but no events
                  seen), P_1 = 3.62 h, P_2 = 3.11 h, 2nd apparition
(5481)    Kiuchi            16.5  -32  141^  0.1  13  13.3 2.19 2.34  16opp
                  D_2/D_1 = 0.33, P_orb = 20.90 h, 2nd apparition

2. Paired asteroids (errors <=0.03 mag needed):

3. Returning "prime suspects", to be followed up on their 2nd (3rd, ...) apparitions
(3105)    Stumpff           16.0   -7  161^  0.2  42  12.8 1.83 2.26  23opp 12.8       5.0369          0.35  3
(3850)    Peltier           16.5   -9  160^  0.2  40  13.5 1.87 2.23  17opp 13.5       2.4289          0.10  3
(13977)   Frisch            16.5   -6  144^  0.2  30  12.8 2.00 2.47  19opp 12.8       4.9991          0.15  3

4. New targets
(5524)    Lecacheux         15.7    0  167   0.2  55  12.8 2.30 2.37  21opp
(6381)    Toyama            15.3   -1  168   0.2  56  13.2 2.00 2.26  16opp
(13262)   1998 QF17         16.3    0  168   0.2  57  13.7 2.13 2.38  13opp
(17170)   Vsevustinov       15.6    1  167   0.3  59  13.7 1.93 2.24  15opp
(22601)   1998 HD124        15.9    0  162^  0.2  50  13.2 1.66 2.31  13opp
(42921)   1999 SH8          16.5    1  166   0.3  57  14.1 2.07 2.27  11opp
(49858)   1999 XZ99         16.0    0  168   0.2  60  14.7 1.73 2.46  11opp
(51381)   2001 BG51         16.5   25  130   0.2  45  14.0 1.80 2.31  13opp

Note: The ephemerides were computed for 2012-04-21
      ^/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:
(3554)
(3673)
(5407)
(5477)
(7225)
(11001)
(49904)
(2577)
(5474)
(5481)
(3105)
(3850)
(13977)
(5524)
(6381)
(13262)
(17170)
(22601)
(42921)
(49858)
(51381)