Try downloading the app huckleberry. You can pay for it to give your child's ideal wake windows but they free version allows you to track all kinds of things and they Send you a monthly update of what is typical sleep patterns for a your child's age. For 2 months 15.5+ hours of sleep in a 24 hour period is what you are looking for
No more than 2 hours. Around this time they should be sleeping less during the day so around 5-6 hours total nap time.