duncan coral

I've just checked in this weekend on my coral and I'm guessing it's bleaching/super stressed. I've had it for about a month and seemed to be starting to grow some new heads. I got it originally with some dead heads, but it seemed to be recovering great until this weekend. My other lps coral has...

Not sure but my Duncan looks to be stretched out, or reaching up to the light. Is it not close enough to the top for light, or is this normal. It has been like this since I got it a month ago. My tank specs are 8 gallon cube, kessil A80 tuna blue, 1.025 salinity, and been running for 6 months