This is weird, your sketch clearly shows nearby stars in the east-west configuration, based on that the pup should be in the east, so what you sketched is the opposite of where the pup is. Why hasn't anyone mentioned that yet?
Also true north is off, just look up sky-map.org. i have tried to view the pup, and have only seen a glimpse of what might be sirius b, i marked the dot on the attachment, but it does not seem to be in the right spot, so not sure.
I think you are mistaken. According to a chart from Andrev (for example) - Sirius B is east and slightly north from Sirius A. This is exactly how my drawing shows it.
I'm attaching a screenshot from Guide 9 software, of the same field of view. It's easy to compare with sketch.
Everything is in place, except maybe for a tiny difference in alignment with north.
This is a photo I found of this region - also quite easy to identifiy.http://scienceblogs..../2010/01/sir...