Sky & Telescope - USA (2019-09)

skyandtelescope.com • SEPTEMBER 2019 39 most of the time. Even so, there are ways to minimize the ship’s rocking as well as its ...

NEW PRODUCT SHOWCASE 40 SEPTEMBER 2019 • SKY & TELESCOPE qCLASSICAL CASS Agena Astro carries a full line of Guan Sheng Class ...

OBSERVING September 2019 EVENING: The fi rst-quarter Moon and Jupiter hang in the south-southwest above the Scorpion’s heart, An ...

USING THE NORTHERN HEMISPHERE MAP Go out within an hour of a time listed to the right. Turn the map around so the yellow label f ...

M52 7160 + _ i j c ¡ b f CEPHEUS (^5) ° (^) bin ocu lar (^) vi ew WHEN TO USE THE MAP Late July Midnight Early Aug 11 p.m. Late ...

44 SEPTEMBER 2019 • SKY & TELESCOPE Mercury Saturn Uranus Neptune 10 " Sep 1 11 21 30 116 30 11630 16 16 Venus Jupiter Mars ...

BO B^ K ING T he lines of the poem above are the most famous penned by the 17th-century Welsh metaphysical poet Henry Vaughan. T ...

46 SEPTEMBER 2019 • SKY & TELESCOPE SEPTEMBER 2019 OBSERVING Sun, Moon & Planets by Fred Schaaf M uch of the night is st ...

skyandtelescope.com • SEPTEMBER 2019 47 tquThese scenes are drawn for near the middle of North America (latitude 40° north, long ...

SEPTEMBER 2019 OBSERVING Celestial Calendar by S. N. Johnson-Roehr Cool Hunting You’ve seen Uranus and Neptune — but have you fo ...

light from Uranus can interfere with such dim targets, so you may want to use an occulting bar to hide the planet. Use a chartin ...

Lunar Occultation ON THE MORNING OF September 22nd, the last-quarter Moon temporarily hides Eta (η) Geminorum for observers in t ...

The wavy lines represent Jupiter’s four big satellites. The central vertical band is Jupiter itself. Each gray or black horizont ...

T o the unaided eye, Venus is one of the most beautiful sights in the sky, outshining every celestial object except the Sun and ...

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AK IRA FU JII skyandtelescope.com • SEPTEMBER 2019 55 nestled against an 11.5-magnitude secondary to the northeast. With my 10-i ...

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PO SS II^ /^ C AL TE CH /^ S TS CI^ /^ P AL OM AR O BS ER VA TO RY skyandtelescope.com • SEPTEMBER 2019 57 Microquasars They m ...

SEPTEMBER 2019 OBSERVING Going Deep 58 SEPTEMBER 2019 • SKY & TELESCOPE these objects are, let’s take a look at some of them ...