Here are some candling pics in this link for you to compare your eggs too https://www.backyardchickens.com/web/viewblog.php?id=230
I think your right about them being too close to the heat. So would lockdown as normal don't adjust and let the incubator settle before taking a reading at the top...
Hi :welcome
Glad you could join the flock! The usual incubation temp for still air is 101-102 farenheight. Are your eggs on target in development for the day they are on? My advice to you would be to put your eggs into lockdown as normal remove the turner and let the incubator settle for at...