Flying bats during the nights

Date of Observation
Sighting Details
Do you know what species you observed?

No, have no idea what species there was.

What did you observe?
Additional question - Can you give further details on the observation e.g. behavior, habitat etc:

They were flying past the station between the dining building which is connected to the student house and the outdoor pond.

How many bats did you see?
2-10
How did you identify them
Visually Identified Bat
Do you have sound files of recorded Bats
No
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
Studying at the physical geography department and have worked with you for 9 weeks 2018.