Lord I'm confused.
@Pyxis is the resident goose hatching connoisseur, perhaps she can pop in. To clarify, the air cell is the empty part of the egg where the gosling first pips before externally pipping (breaking) through the shell. The large (fat/round) end of the egg is where the air cell is. The pointy end is where the gosling is.
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This thread may help you see what you're looking at better and thus be able to describe it to us better.
https://www.backyardchickens.com/th...me-all-pics-in-first-post-easy-to-see.658057/
Details on your incubator? Brand, temp, humidity?