Think I ovulated yesterday but lines wasnt dark but today's test is a negative

Yesterdays test even though the lines weren't really dark they were what I would say the same colour and I would say a positive opk and last night I was getting obvious ovulatation cramps in my left side (we did BD last night and night before) I've done 2 tests today and it's a clear negative so I would definitely say my peak was yesterday, I've been temping since last month but was unwell on Monday so my temperature chart is all over the place so it's been hard to track. What do people think ???

1st Pic is Yesterday's

2nd Pic is is Today

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