FLYING INTO THE NOCTILUCENT CLOUD ZONE #157 JUNE 2018 THE UK’S BIGGEST SELLING ASTRONOMY MAGAZINE Sky at Night The strangest REVEALED STARS Discover the stellar oddities that defy the laws of physics JUNE OBSERVING& IMAGINGGUIDEINSIDE Mapping the MILKY WAY Why Gaia’s billion-star map will revolutionise astronomy How to use STELLARIUM Uncover the planetarium program’s hidden features and get more out of stargazing on show SATURN Ringed planet at its brightest for the year WATCH THE SKY AT NIGHT The latest in the hunt for signs of life on Mars LISTENING OUT FOR DARK MATTER A new era in the search for the unknown? E A S T P E G A S U S _ Markab _ _ Alpheratz Scheat G r e a t S q u a r e o f P e g a s u s ` b ` Algol _ b PERSEUS Capella AURIGA ` ` M31 M110 M32 a Mirphak a ANDROMEDA M76 NORTH NORTHEAST W b M103 Schedar a Double Cluster T _ CASSIOPEIA ` _ CAMELOPARDALIS b RR ` _ LACERTA ` M52 b + _ CEPHEUS House ` U a Polaris _ VIRTUAL PLANETARIUM b URSAMINOR M82 h M81 _ T UX g Alderamin ` Kochab Plough p ` Dubhe Merak M108 b Z a M109 LYNX M97 URSA MAJOR ` NGC 6960 M 1 5 _ ab E Q U ULE US J o b’s Coffin a _ b ` D E L P HI N U S M39 NGC 7000 NGC 7026 _ Deneb a M29 CYGNUS Summer Triangle M27 Northern Cross Albireo ` a M71 VULPECULA SAGITTA _b _ b M56 b _ Thuban Mizar Alcor M106 NGC 6826 DRACO June Boötids Peaks 27 Jun a Our interactive guide to June’s night sky highlights M102 M101 ` Lozenge M51 M63 R LYRA ¡ _ b a Vega ` M57 June Lyrids Peaks 15 Jun M92 Keystone HERCULES M13 Tau Herculids Peaks 9 Jun V a ` b Kite BOÖTES CORONA BOREALIS a b _ ` Gemma R M94 Cor Caroli ` CANES VENATICI _ a M3 COMA BERENICES M64 M53 _ _ Arcturus NORTHWEST _ INOR MLEO Sickle Sickle a LEO b Denebola M85 M98 M100 M99 M84 M86 M60 M87 M49 M65 M66 ` 19th M61 b d _ ` Regulus EST W FREE EXTRA CONTENTONLINE