It's a church window in the clock tower.
Found the church but it is not a round window in that tower as I thought it was. But that's that church in the Q drop
Yes and right the next drop is the image of the church. Now btw I did find the window and it indeed belongs to this church. See source below:
https://www.oldnorth.com/story-of-the-steeples/
Oh look, they even say it in the article that two lanterns are lit at patriot day
Explanation of the two lanterns
Yeah, sorry forgot the s. Thanks for pointing it out, Anon.