adam_core.observers.utils module¶

adam_core.observers.utils.calculate_observing_night(codes: Array, times: Timestamp) → Array[source]¶

Compute the observing night for a given set of observatory codes and times. An observing night is defined as the night during which the observation is made, in the local time of the observatory +- 12 hours. The observing night is defined as the integer MJD of the night in the local time of the observatory.

Parameters:

codes (pyarrow.Array (N)) – An array of observatory codes.
times (Timestamp (N)) – An array of times.

Returns:

observing_night – An array of observing nights.

Return type:

pyarrow.Array (N)