* Astronomy

Comet 123P/West-Hartley is at Perihelion (2.129 AU) on the 4th July, 2011.

The periodic comet 123P/West-Hartley was discovered by Richard West on March 14 and independently by Malcolm Hartley on May 28.

Google sky file: Comet 123PWest-Hartley.kmz (18kb, kmz)

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase  Mag   Mag2
2011 07 04    09 20 54.0 +27 01 55   2.8908  2.1289    34.3    15.6  14.5  20.3
2011 07 05    09 23 12.6 +26 49 24   2.8961  2.1289    33.9    15.4  14.5  20.3
2011 07 06    09 25 30.9 +26 36 47   2.9014  2.1289    33.5    15.3  14.5  20.3
2011 07 07    09 27 49.0 +26 24 05   2.9066  2.1290    33.1    15.1  14.5  20.3
2011 07 08    09 30 06.8 +26 11 17   2.9118  2.1291    32.8    15.0  14.5  20.3
2011 07 09    09 32 24.3 +25 58 23   2.9170  2.1292    32.4    14.8  14.5  20.3
2011 07 10    09 34 41.6 +25 45 24   2.9221  2.1293    32.0    14.7  14.5  20.3
2011 07 11    09 36 58.5 +25 32 19   2.9272  2.1295    31.6    14.5  14.5  20.3
2011 07 12    09 39 15.2 +25 19 09   2.9323  2.1297    31.3    14.3  14.5  20.3
2011 07 13    09 41 31.6 +25 05 53   2.9373  2.1300    30.9    14.2  14.5  20.3
2011 07 14    09 43 47.7 +24 52 33   2.9424  2.1302    30.5    14.0  14.6  20.3