In short, What are the Criteria for Photospheres

[Dontcry43]

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@YK1001 wrote:

Hi @HrVoB,

The correct term should be "The horizon of the photosphere".

It is the line that should be "level" in real world - such as the line where the sky meets the sea, in the sample photo below.

Hi @YK1001  I really can not understand. Please describe more precise floor lines, or do you mean floor line as horizon line?

[YK1001]

Yes, @Dontcry43,

The Floor Line in my old post should mean " The Horizon".

Sorry for the bad wordings used!