telescopius and m31

[TiffsAndAstro]

obviously, im not desperate to image m31 as it should fill my fov, but looking on telescopius (which is a fantastic website) i noticed this weird blip/drop in its altitude plot over 12 months.

is this a bst thing or will the earth suddently spin on its axis fast enough to throw us all into space?

im pretty sure its the latter, but not 100% certain  see yellow arrow

 

Edited May 26 by TiffsAndAstro

[Swillis]

Don't think it's a BST thing, as the blip is in October.

Must be the latter...🤣