The Discussion: A good old British whinge about the weather and looking forward to our biannual dark sky star party, AstoCamp. The News: Rounding up the astronomy news this month we have: An experiment in an underground lab in London to understand dark energy Eight new repeating fast radio burst source Help us come up with a cooler name than a pair-instability supernova The late accretion phase of the formation of the solar system The discovery of interstellar radioactive iron in the Antarctica Spitzer reveals surprising exoplanetary details. A new exoplanet discovery of three rocky worlds in the same system Using oceanography to suggest greater exoplanet biodiversity The main news story discussion: The latest big Juno discovery at Jupiter. The Sky Guide: Covering the solar system and deep sky objects on offer to amateur astronomers in September: Jen: A tour of the planets on offer and the zodiacal light Ralph: Jupiter Saturn and two meteor showers in September. Then further afield, a double star, an open cluster and a dark Nebula in Cepheus. Main Object: Messier 27, The Dumbbell Nebula Q&A: How can Titan have such a thick atmosphere with such a low gravity? From Alastair Frith in the UK