Mash - starting at 154.2 / 15 mins in 153.1 / 1/2 way 153 / 45 mins in 152.2 / Ended with 149.8
Based on boiling 7.50 gallonsliters at 1.052 for 60 minutes, this will decrease your wort by 1.20 gallonsliters, bringing your after boil OG to 1.060. You wanted an OG of 1.061. It looks like it will be under.