the last name allen derives from ireland.
the last name allen derives from ireland.
where does the last name allen derive from?
ireland
Na
Na
iota herculis









































iota herculis (ι herculis, ι her) is a fourth-magnitude variable star system in the constellation hercules, consisting of at least four stars all about away. the brightest is a β cephei variable, a pulsating star.









































section::::visibility.









































iota herculis is dim enough that in cities with a lot of light pollution it is unlikely to be visible with the naked eye. in rural areas it will usually be visible, and for much of the northern hemisphere the star is circumpolar and visible year around.









































section::::visibility.:pole star.
iota herculis