Trader Joes & Other Grocery Store Egg Hatching Club - Are you a Member - Page 242
The air cells were very good so they did not sit. They went into the incubator as soon as they were at room temperature.
Sitting is to help the air cells recover from shipping damage. It the air cells are good, it is not necessary and can hurt the hatch. Then turning starts right away too.
Overnight is plenty of time.
That does look like a fertile egg.
Get some for hatching!