SKY_July2014.pdf

SkyandTelescope.com July 2014 61 Two degrees southwest, in the center of the bowl, I noted “opacity 6/6, only 13 mostly faint st ...

62 July 2014 sky & telescope Gary Seronik Telescope Workshop recently prompted me to refl ect on the current state of the Do ...

INTRODUCING THE NEW AND IMPROVED FSQ-106ED Texas Nautical Repair, Inc., 1925A Richmond Avenue, Houston, Texas 77098 Phone: 713-5 ...

64 July 2014 sky & telescope a decade since digital imaging became amateur astronomy’s preferred method for monitoring the p ...

SkyandTelescope.com July 2014 65 thread, making it readily compatible with fi lter wheels and other astronomical accessories. Th ...

S&T Test Report exposure, and length of your capture for each video based on your target. There are built-in profi les for a ...

SkyandTelescope.com July 2014 67 record a dark frame just before you begin shooting a video clip. This dark frame is then automa ...

68 July 2014 sky & telescope Quick Optical Evaluation Slightly Out of Focus: Star-Testing Yo u r Te l e s c o p e Alan Frenc ...

SkyandTelescope.com July 2014 69 The Basics The size of the Airy disk is determined by the telescope’s aperture and the light’s ...

70 July 2014 sky & telescope Quick Optical Evaluation brighter star, and with larger ones, go fainter. Select a star high in ...

SkyandTelescope.com July 2014 71 such cases, inside focus the rings appear washed out and there’s a wide, diff use glow beyond t ...

Amateur Planetary Science Christophe PellierChristophe Pellier 72 July 2014 sky & telescope Most amateurs may be unaware of ...

SkyandTelescope.com July 2014 73 high-resolution plan- etary images has become nearly commonplace. Today’s sensitive, high-speed ...

74 July 2014 sky & telescope Amateur Planetary Science highest, and because daytime seeing conditions are often more turbule ...

SkyandTelescope.com July 2014 75 component of the Venusian atmosphere is carbon dioxide, which is translucent at the same wavele ...

Sean Walker Gallery 76 July 2014 sky & telescope Gallery showcases the fi nest astronomical images submitted to us by our re ...

SkyandTelescope.com July 2014 77 ▴ECLIPSE AMONGST THE STARS Eric and Josephine Africa Warm orange and yellow tones color the Moo ...

78 July 2014 sky & telescope ▴ (^) PHILADELPHIA MOONSET Jerry Lodriguss Thin clouds seem to conspire with the young Moon’s l ...

Ash-Dome is recognized internationally by major astronomical groups, amateurs, universities, colleges, and secondary and primary ...

80 July 2014 sky & telescope ACCESSORIES ACCESSORIES ACCESSORIES Place Your essential source for astronomical products Marke ...