Unknown DPO - premom

I have no idea how many days post-ovulation I am as my cycle is extremely irregular. I will go buy another test in the morning but does this line look real or like an evap line? I've never had evap lines with this type of test before.

I have no idea how many days post-ovulation I am as my cycle is extremely irregular. I will go buy another test in the morning but does this line look real or like an evap line? I've never had evap lines with this type of test before.