During your husbandry research, did you happen to read up on proper temperatures? Your "hot side" is actually closer to what the cool side should be. The hot side should be upwards of 90.
Here's a great care guide to fine tune your husbandry: http://ball-pythons.net/forums/showt...s%29-Caresheet
Also, if you haven't already done so, here's a good 20g aquarium set-up guide: http://ball-pythons.net/forums/showt...With-Pictures!
Keep up the good work!