Really early ovulation???

A

Hello. I use the Ava bracelet to temp. My chart is below. Last month I had an abnormal, really long cycle (47 days). I waited a week after my period was due, and the test was negative. My cycle is normally 30 to 33 days, and I usually ovulate around CD18. This month, I had EWCM and did an OPK test on CD8. It was positive. Since them my temp is rising, but this seems way too early for ovulation. Does this look like I ovulated? Has anyone ovulated super early after a long cycle?