2nd one looks cracking
If it was the centre of the flower you were aiming for in the first then it looks bang on to me. Did you try ones where you focus on the tips of the stamen too? (just for the sake of practicing!)
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Andrew -
My pics on Flickr
Canon 7D, 24mm f/2.8, 50mm f/1.4, MP-E 65mm macro, TS-E 90mm, 100mm macro