Sky & Telescope - USA (2019-09)

skyandtelescope.com • SEPTEMBER 2019 59 telescope. The donor star in SS 433 is a supergiant, while consensus leans toward a neut ...

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PU BL IC^ DO MA IN skyandtelescope.com • SEPTEMBER 2019 61 “He was basically saying, ‘It’s out there, now go out and visit it yo ...

Bonestell’s Brilliance master of perspective, and those who really know astro- nomical art are still dazzled today by how he did ...

skyandtelescope.com • SEPTEMBER 2019 63 rolling,” Miller says. “He looked through a telescope at the limb of the Moon and saw th ...

Bonestell’s Brilliance 64 SEPTEMBER 2019 • SKY & TELESCOPE would feature soft, rolling hills. Kubrick preferred the craggy, ...

skyandtelescope.com • SEPTEMBER 2019 65 the spirit was there. One must assume that Bonestell felt tremendous pride in the fact t ...

S&T Test Report by Johnny Horne AL L^ P HO TO S^ B Y^ T HE AU TH OR pThe ASIair glows red from its internal LED as it images ...

pLeft: This small inline voltage convertor supplied with ASIair converts 12 volts DC to 5 volts, providing up to 3 amps to power ...

68 SEPTEMBER 2019 • SKY & TELESCOPE S&T Test Report and have them ready to use in case the fi rst card is lost, as they ...

skyandtelescope.com • SEPTEMBER 2019 69 pClicking the guiding icon opens the autoguider settings, where the guide camera is sele ...

70 SEPTEMBER 2019 • SKY & TELESCOPE S&T Test Report the unit is receiving power. After about 15 seconds, the WiFi activa ...

ONE SMALL STEP FOR MAN... Was watched around the world as the heroic crew of Apollo 11 reached the surface of the moon and stepp ...

ASTRONOMER’S WORKBENCH by Jerry Oltion Bartol’s Beefy “BlueShift” Here’s a mount with Go To technology designed from scratch. MA ...

skyandtelescope.com • SEPTEMBER 2019 73 What makes it so massive? The size of the parts, for one. The right ascen- sion axis use ...

q LUNAR SPLENDOR Jason Weathers The young crescent Moon seen here sports sev- eral large features just visible to the naked eye. ...

skyandtelescope.com • SEPTEMBER 2019 75 ...

GALLERY 76 SEPTEMBER 2019 • SKY & TELESCOPE Gallery showcases the fi nest astronomical images submitted to us by our readers ...

Discover this spectacular 6½-carat green treasure from Mount St. Helens! F or almost a hundred years it lay dormant. Silently bu ...

ACCESSORIES Your essential source for astronomical products a BOOKS 78 SEPTEMBER 2019 • SKY & TELESCOPE Much, much more than ...