说明:
 BBC Sky at Night - January 2019 English | 110 pages | True PDF | 44.2 mb Features 32 2019: SPACEMISSIONS There are plenty of exciting missions, launches and encounters planned for the next 12 months – learn all about them here. 38 OBSERVING GREEN STARS Technically, they may not exist, but green stars still make for a great observing challenge. 44 AI AT THE CONTROLS Discover why NASA’s missions are becoming ever more reliant on software that learns. 67 IMAGING FOR SCIENCE: THE INNER AND FAR OUTER PLANETS Make your images of Mercury, Venus, Saturn, Uranus and Neptune more valuable to science. 73 EXPERT CMOS IMAGING TIPS How to get the most out of using a CMOS camera to capture deep-sky objects. Regulars 06 EYE ON THE SKY 11 BULLETIN 19 WHAT’S ON 21 A PASSION FOR SPACE - Dr Kimberly Ennico on a plane-based ’scope. 23 FIELD OF VIEW - The unrelenting spread of light pollution. 24 INTERACTIVE 26 SUBSCRIBE 28 HOTSHOTS - Your best astrophotos. 78 SKILLS 78 The Guide - An introductory guide to stacking. 81 How To... Clean your binoculars. 84 Image Processing - Luminosity layers. 87 Scope Doctor 89 REVIEWS/FIRST LIGHT 90 Vixen SD103S apochromatic refractor 94 Sky-Watcher Startravel-102 AZ-GTe 98 DayStar Quark Magnesium solar filter 102 Books 104 Gear 106 WHAT I REALLY WANT TO KNOW IS… What secrets will Ultima Thule reveal? |
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