Australian Sky & Telescope - 04.2019

HERSCHEL HUNT Tracking down every deep sky NGC object P SERPENT SIGHTS Explore the Hydra I Galaxy Cluster P SCOPE CARE How to cl ...

http://www.skywatcheraustralia.com.au SW130P-AZGTE $ Aperture/Focal Length 130mm (5.1”) / 650mm (F5) Optical Coatings Aluminum w ...

LX90 The Legend STOP DREAMING, START DOING FIND YOUR LOCAL STOCKIST ZZZWDVFRFRPDXȨQGDQRXWOHW )LQGXVRQ)DFHERRN ZZZIDFHE ...

4 AUSTRALIAN SKY & TELESCOPE April 2019 REGULARS 5Spectrum 6Newsnotes 11 D i sc ove r i e s 21 AS&T bookshop 39 New prod ...

THE ASTRONOMY SCENE 62 Telescope care Part 2 of our series on how to take care of your Newtonian. This issue, how to wash and cl ...

6 AUSTRALIAN SKY & TELESCOPE April 2019 NEWS NOTES PICTURE A SPIRAL GALAXY and you probably see something like most artist i ...

http://www.skyandtelescope.com.au 7 HELIOPAUSE: NASA / JPL-CALTECH / GSFC; YUTU 2: CNSA Voyager 2 enters interstellar space Voya ...

8 AUSTRALIAN SKY & TELESCOPE April 2019 A RE-ANALYSIS OF DATAfrom the Laser Interferometer Gravitational- wave Observatory ( ...

The World’s First Schmidt-Cassegrain Telescope with Fully Integrated WiFi Celestron’s Most Innovative Technologies Plus New Upgr ...

10 AUSTRALIAN SKY & TELESCOPE April 2019 ASTRONOMERS ON NASA’STransiting Exoplanet Survey Satellite (TESS) team have announc ...

http://www.skyandtelescope.com.au 11 whom had worked on radar during the war, found that by combining a signal directly from an ...

12 AUSTRALIAN SKY & TELESCOPE April 2019 Spinning Several of the earliest satellites spun to stabilise their orientations. A ...

http://www.skyandtelescope.com.au 13 Thr ough Space AGILE’s happy accident But spinning can provide much more than stability, as ...

14 AUSTRALIAN SKY & TELESCOPE April 2019 TWIRLING TELESCOPES Althoughthetelescopecouldn’tlookasdeeplyasitcould before, every ...

http://www.skyandtelescope.com.au 15 the faint heat left over from the Big Bang. Their insights have since been used to determin ...

16 AUSTRALIAN SKY & TELESCOPE April 2019 build a detailed 3D map of our galaxy, plotting the positions and distances of star ...

http://www.skyandtelescope.com.au 17 ButhowdoesAGISfigureoutthedistancetostars?Like anytelescope,Gaia—throughAGIS—cantrackparall ...

18 AUSTRALIAN SKY & TELESCOPE April 2019 HOW FAR AWAY ARE THE STARS?You might t hink that astronomers should know, but dista ...

http://www.skyandtelescope.com.au 19 made by combining data from radio telescopes all over the world gave a result of 444 light- ...

20 AUSTRALIAN SKY & TELESCOPE April 2019 Putting the Pleiades in their place Hipparcos’s successor, Gaia, provided the oppor ...