Help! Evap or Not?

My app says I ovulated about two weeks ago, then I took an OPK about a week after app said, and it was positive (I think) So bottom line , not sure when I ovulated (first time , as I have been extremely regular).

Took this, walked away for about 8 mins to do something and forgot. I think this is Evap? What do you think?

Not getting my hopes up! I could be either 13 DPO or 6DPO really not sure.

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