Sturgeon moon, no nature name for a second full moon as far as I can tell so just blue, but it does mean the harvest moon will be very late in September this year.
Other notable dates for any lunar living pagans
August 1: Lammas or Lughnasdah – The grain harvest
(Southern Hemisphere: Imbolc – honoring the goddess Brighid and return of the light after the long winter)
Aug. 1: Full Moon in Aquarius – Sturgeon Moon
Aug. 5: Celtic Tree Month of Hazel begins
Aug. 13: Roman Festival of Pomona, goddess of apples and orchards
Aug. 16: New Moon in Leo
Aug. 23: Vulcanalia – Roman Festival
Aug. 31: Full Moon in Pisces – Blue Moon