* Astronomy

A new  magnitude 17.4,  comet, was discovered by A. Boattini (Mt. Lemmon Survey) on November 20th, 2007, and  confirmed by the later observations.
The preliminary orbital elements of the comet indicate a perihelion passage on June 14th, 2008 at a distance of 0.7 AU from the Sun.
The comet could reach magnitude 6.4  at perihelion.

Ephemeris:
    C/2007 W1 (Boattini)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    
2007 11 16    11 41.55   +00 53.3    3.753    3.332    57.7    14.5  17.6
2007 11 26    11 51.23   -00 23.5    3.501    3.213    65.1    16.2  17.3
2007 12 06    12 00.70   -01 41.6    3.242    3.092    72.5    17.7  17.0
2007 12 16    12 09.87   -03 00.5    2.977    2.970    80.1    19.0  16.6
2007 12 26    12 18.59   -04 20.1    2.711    2.847    87.7    20.2  16.2
2008 01 05    12 26.74   -05 40.5    2.445    2.721    95.5    21.1  15.8
2008 01 15    12 34.09   -07 01.7    2.182    2.594   103.5    21.6  15.3
2008 01 25    12 40.40   -08 24.1    1.925    2.464   111.6    21.8  14.8

MPEC 2007-W63

 Ephemeris