As long as you keep that window closed and the blinds shut you should be ok if you can't put it anywhere else.
The set up is pretty good, you seem to have everything worked out perfectly.
Just raise the temps on the thermostat a bit and keep it a bit above what you have. Overall it's fine temperature wise.
She has a nice pattern and is a very good size! Overall theres nothing wrong with her that we could see. :]
Spurs won't do anything bad if they are a bit larger. No biggie.