Get a subset

[powersoft]

I have calculated for stars the sets,

alt, azi, distance = astrometric.apparent().altaz()

But now I wont to make a subset alt', azi',distance' for all alt>0

Have no clou how to do that, please need some help

[brandon-rhodes]

Try NumPy's ability to index by conditionals — you can use something like alt.degrees > 0.0 as an index:

https://www.codecademy.com/learn/introduction-to-numpy-for-finance/modules/learn-numpy-introduction-for-finance/cheatsheet