Sycamore Tarspot?

Sycamore Tarspot?

Observation - Sycamore Tarspot? - UK and Ireland. Description: Common on Sycamore leaves throughout Dunsford Wood at this time of year. I believe this is Tarspot, caused by the biotrophic fungus Rhytisma acerinum but would appreciate confirmation?

Common on Sycamore leaves throughout Dunsford Wood at this time of year. I believe this is Tarspot, caused by the biotrophic fungus Rhytisma acerinum but would appreciate confirmation?