... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The Perseid meteor shower, which this year peaked around midnight on the evening of August 12th, will continue at a low rate until around August 24th. ... Video clips in AVI and mp4 formats of some of the brightest Perseid meteors detected by the ObservatoryтАЩs cameras together with an image illustrating the parallel tracks in space of the Perseid meteors detected at Armagh can be found here . ...

Routines can now be called with keyword arguments and can use default arguments, that means that some arguments can be given with keywords instead of position and some do not have to be given at all, in which case a standard or default value is used. ... IMPLICIT NONE INTERFACE SUBROUTINE SOLVE (A, B, N) INTEGER, INTENT (IN) : : N REAL, INTENT(OUT) : : A REAL, INTENT(IN), OPTIONAL : : B END SUBROUTINE SOLVE END INTERFACE REAL X ! ... You will use keyword arguments and default arguments so that . ...