The latitude of Adler is 43.4 *, Is it possible to observe the bright star Fomalhaut (φ = -29.5 °) above the horizon?

h = 90- f + b = 90-43.4-29.5 = 17.1
You can observe. Using a computer map of the starry sky will tell you that the best time to observe in the western sky, over the sea, is at night in October.

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