40 and home insemination today! opk confusion!

I have been charting for 6 months I usually get positive OPKs for 2 days in a row. yesterday between 12 and 8pm were all really dark took clear blue digital at 12:30 got smiley temp spiked today do you think the egg is there or am I still ovulating home insem this afternoon do you think I will catch my egg how ling after LH surge does a woman my age make and egg?