The region of interest has no comets known to Sky Safari. However there is a likelihood it could be (141) Lumen, a mag 12.6 main belt asteroid.
Lumen is not noted as being an extended object (i.e. having outgassing) ...
Wiki has this to say about it.
https://en.wikipedia.org/wiki/141_Lumen
Screen shot attached.
Regards,
Tony Barry
WSAAG