I mounted a fully modified Canon Rebel on a Losmandy G-11 on a cement pier with a Canon 24-105 L lens at 105mm. I used PHD2 to guide.
I forgot to add the clip-in infrared filter.
Attached is one of the uncalibrated subs, 300s at 800 ISO. I am wondering about the spotlight, cone shaped stars in the corners.
In spite of my efforts, is the mount out of polar alignment? Is it the nature of the lens? Operator up in the night?