(meteorobs) Phoenicids 2008

[Francisco Ocaña]

¿Any positive result?

Here the weather was awful. Now is fantastic. Blue skies since 2 or 3 
days ago and for 3 or 4 days more. Leonids and Taurids in the same level 
this night.

¡Lot of Leonids!

Paco Ocaña

Mikiya Sato escribió:
> Dear all,
>
> I am Mikiya Sato.
> This year, calculated trails of Phoenicids will approach the earth
> between Nov. 7 to Nov. 9. 
> The trails were formed from dust ejected in 1866 and in 1861.
> There is little possibility of meteor appearance,
>  but please pay attention to these slow meteors (about 11 km/s).
>
> Predicted data are as follows;
> -----------------------------------------------------------------
> 1866 trail       Time (UT)    Sol.Lon.  d-R (AU) Ej.V(m/s)  fM
> Ascending Node : Nov.7 23:49  225.826  +0.00072  -12.11   0.0034
> Closest Point  : Nov.8  4:10  226.008   0.00012
>                  R.A.   Dec.  Vg(km/s)
> Ascending Node : 7.04  -5.51  11.46
> Closest Point  : 6.99  -5.55  11.45
> -----------------------------------------------------------------
> 1861 trail       Time (UT)    Sol.Lon.  d-R (AU) Ej.V(m/s)  fM
> Ascending Node : Nov.9 23:34  227.824  -0.0036   -14.61   0.0025
> Closest Point  : Nov.9  0:43  226.008   0.00076
>                  R.A.   Dec.  Vg(km/s)
> Ascending Node : 6.77  -6.32  11.26
> Closest Point  : 7.07  -6.13  11.33
> -----------------------------------------------------------------
>
> The radiant is in the northern sky, near iota Cet,
>  because of large perturbation.
> So, it can be observed even in the northern hemisphere.
>
> A condition of 1866 trail is better than one of 1861.
> But I think that the number of meteors that can be observed
>  might be very little, because the value of fM is very low
>  and the absolute value of ejection velocity is very high.
>
> Best wishes,
>
> Mikiya Sato (NAOJ)
> _______________________________________________
>