2019-04-01_Astronomy

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Filter

Farpoint Astro

Rancho Cordova, California

Farpoint ’s Generation 3

Lumicon 2 Inch Oxygen III Filter

visually isolates the two doubly

ionized oxygen lines (496 and

501 nanometers) emitted

by diffuse, planetary, and

extremely faint nebulae. Each

filter is individually inspected

and comes with documentation

stating the percentage of light

transmittance of the OIII

emission lines.

$200

877.623.4021

http://www.farpointastro.com

3.2-inch refrac tor

SkyWatcher USA

Torrance, California

SkyWatcher USA’s EvoStar 80ED

is an apochromatic refractor

using Schott BK-7 and FPL-53

extra-low-dispersion glass. It

has a 600-millimeter focal

length at f/7.5. The scope comes

with a dual-speed 2" focuser, a

finder scope, a 2" diagonal, tube

rings, two eyepieces, and a case.

$765

310.803.5953

http://www.skywatcherusa.com

Big binos

Oberwerk

Dayton, Ohio

Oberwerk’s BT-100XL-ED

Binocular Telescope features

4-inch front lenses made of

FK-61 extra-low-dispersion

glass. It comes with 14mm

eyepieces (for a 1.75° field of

view), weighs 12.5 pounds

(5.7 kilograms), and measures

29 by 15 by 12 inches (74 by 38

by 31 centimeters).

$2,350

937.640.1040

http://www.oberwerk.com

Atlas

National Geographic

Washington, D.C.

National Geographic’s second

edition of Space Atlas: Mapping

the Universe and Beyond was

written by renowned physicist

James Trefil. The 352-page book

contains information on recent

and ongoing missions, including

MESSENGER, Curiosity, New

Horizons, LIGO, and CERN’s

Large Hadron Collider. The book

measures 12.2 by 9.5 inches

(31 by 24 centimeters).

$50

800.437.5521

http://www.nationalgeographic.com

Attention, manufacturers: To submit a product

for this page, email [email protected].

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