The elevation of the star at elongation is obtained by

- 1
  
  $\sin α = \sin ϕ \cos e c δ$
- 2
  
  $\sin α = \sin ϕ s e c δ$
- 3
  
  $\sin α = \cos ϕ s e c δ$
- 4
  
  $\sin α = \cos ϕ \cos e c δ$

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.