Thursday 12 April 2007

Comet P/Encke is now observable low in the West after sunset

The following is from the BAA Comet page. Ephemeris for 2P/Encke

Omega=186.5230 OMEGA=334.5714 i= 11.7543 q= 0.339269 a= 2.218024
e=0.847040 P= 3.303 T= 2007 April 19.3117 Equinox= 2000
Magnitudes calculated from m=11.5+5.0*Log(d)+15.0*Log(r)+0.000*Beta

Station: UK
Latitude: 53.000 Longitude: 0.000 Magnetic variation: 0.0
Observing constraints: Sun below -13. deg Object above***** deg

April 2007 Positions for 00:00 ET, Times in UT
Elong Moon Comet
Day R.A. B1950 Dec R.A. J2000 Dec Mag D R Trans Observable Sun Moon Phase Tail pA d RA dDec


9/10 2 30.4 18.17 2 33.1 18.30 6.1 1.10 0.42 13.22 20.17 to 20.23 22 121 58 100 64 22 0
10/11 2 34.0 18.17 2 36.8 18.30 5.8 1.07 0.41 13.22 20.19 to 20.25 22 108 48 121 65 21 0
11/12 2 37.6 18.15 2 40.4 18.27 5.5 1.04 0.39 13.22 20.22 to 20.27 22 96 37 146 66 21 -1
12/13 2 41.0 18.09 2 43.8 18.22 5.2 1.01 0.38 13.21 20.24 to 20.28 22 83 26 174 67 20 -2
13/14 2 44.2 18.01 2 47.0 18.13 5.0 0.98 0.37 13.20 20.26 to 20.29 21 69 17 205
Finder charts for Encke and other comets can be found at www.skyhound.com/sh/comets.html

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