Is it ok to get an IUI when you are actually ovulating?  fertility specialists 

Yes, it's a good day. There is a window where the egg could be fertilized, from around 3-5 days before ovulation until the day of ovulation (and maybe one day after ovulation). The day of ovulation might be the best day to do an IUI - if you choose one IUI per month we time it for the day of expected ovulation, for 2 IUI a month we choose the day before ovulation and the day of ovulation. Best wishes.
Yes. You want to do the insemination as close to ovulatiion as possible.