Hi, I don't think it is Algorab, though it does appear to be a close double.
I don't spose you know what the fov of your imaging setup is?
Would help setting up the view in 'the sky'. Nonetheless I can't seem to reconcile your image to the field around Algorab......sorry,
tsk these people who come on here asking questions using other people's names.....I dunno
best,
Doug