as·tro·pho·tog·ra·phy 
(ăs′trō-fə-tŏgrə-fē)
(ăs′trō-fə-tŏgrə-fē)n.
Astronomical photography.
as′tro·pho·togra·pher n.
as′tro·pho′to·graphic (-fō′tə-grăfĭk) adj.
- impedimenta
- impedimental
- impedimentary
- impel
- impeller
- impend
- impendence
- impendent
- impenetrability
- impenetrable
- impenetrableness
- impenetrably
- impenitence
- impenitent
- impenitently
- imperative
- imperatively
- imperativeness
- imperator
- imperatorial
- imperceptibility
- imperceptible
- imperceptibleness
- imperceptibly
- imperceptive