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Saturday July 22nd 2017

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Telescopes & more

Positions of Planets

The tables offer monthly positions of the four brightest planets: Venus, Mars, Jupiter and Saturn. Note, that a constellation may not be visible during the night.  Another [Read More]

Observing Tips for Beginners

  Amateur astronomers have to face some challenges with equipment, weather and environment during their stargazing sessions. The tips listed below help to overcome some [Read More]

German Equatorial Mount – Part 2

The first part of this article gave an introduction of German Equatorial Mounts (GEMs) and discussed polar aligment and how it is been done.  This second part of the [Read More]

RSS ESA

  • Week In Images
    Our week through the lens: 17-21 July 2017
  • Space Station Streetview
    Explore the International Space Station with Google Street View and ESA astronaut Thomas Pesquet
  • Rovers drive through Tenerife darkness
    A pair of ESA rovers trundled around a Moon-like area of Tenerife by both day and night during a nine-day test campaign, gathering terabytes of data for follow-up analysis.

Observing

Top 10 Night Sky Objects for Astronomy Beginners

Your first telescope has just arrived and now you can’t wait to try it out. Trust me, I remember this feeling very well. The universe is calling and it want to be [Read More]

Cosmos

Pulsars

 Coming Soon – Stay Tuned Lorem ipsum dolor sit amet, consectetur adipisicing [Read More]

Black Holes

Gravitational distortions caused by a black hole in front of the Large Magellan cloud. [Read More]

Nebulae

Coming Soon – Stay Tuned Lorem ipsum dolor sit amet, consectetur adipisicing elit, [Read More]

Astrophotogallery

Astrophoto Gallery

This gallery shows astro-photos made by amateur astronomers.  Clicking the images enlarges them to original size and provides information about the object and how [Read More]

Solar System

The Moons of the Solar System

More Questions Than Answers Think of our solar system, and for most of us the first thing [Read More]

Asteroid Mining

Near Earth Asteroid Itokawa. A likely candidate for future mining opportunities. Credit [Read More]

Positions of Planets

The tables offer monthly positions of the four brightest planets: Venus, Mars, Jupiter [Read More]

Imaging

Astrophotography – Without a Telescope

Astrophotography – Without a Telescope

By Ralph O. Clements When I was invited to write about this subject for Astronomysource.com, I must say I was flattered and a bit flabbergasted too, as I do not consider myself an expert on the subject, nor a writer by any means, but just a guy who likes to go out at night [Read More]

Startrails – Software

Startrails – Software

Star trails, image credit: Ralph Clements Star trail images are beautiful to look at and they are captivating because they [Read More]

Eyepiece Projection

Eyepiece Projection

Eyepiece projection is a great way to take detailed shoots of moon and planets. Photographed objects in these [Read More]

Astro-Imaging for $100

Astro-Imaging for $100

Is is possible to make astro-images with entry level digital point-and-shoot cameras? The answer to that question is a [Read More]

RSS NASA Image of the day

  • Enhanced Color Panorama Above 'Perseverance Valley' on Mars July 21, 2017
    Toward the right side of this enhanced-color scene is a broad notch in the crest of the western rim of Endeavour Crater on Mars. Wheel tracks in that area were left by NASA's Mars Exploration Rover Opportunity as it observed "Perseverance Valley" from above in the spring of 2017.
  • Lunar Module at Tranquility Base July 20, 2017
    This photograph of the Lunar Module at Tranquility Base was taken by Neil Armstrong during the Apollo 11 mission, from the rim of Little West Crater on the lunar surface. Armstrong's shadow and the shadow of the camera are visible in the foreground. This is the furthest distance from the lunar module traveled by either […]

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  • Eyes Wide Open for MASCARA in Chile July 19, 2017
    The MASCARA (Multi-site All-Sky CAmeRA) station at ESO’s La Silla Observatory in Chile has achieved first light. This new facility will seek out transiting exoplanets as they pass in front of their bright parent stars and create a catalogue of targets for future exoplanet characterisation observations.

RSS ESA Space

  • Last command July 18, 2017
    LISA Pathfinder principal investigator Stefano Vitale sends the final command to the spacecraft, shutting it down after successfully demonstrating the technology to build ESA's future gravitational wave observatory
  • Introducing Juice July 17, 2017
    Space Science Image of the Week: Presenting the latest design of our Jupiter Icy Moons Explorer, Juice

RSS Sky & Telescope – Observing

  • This Week’s Sky at a Glance, July 21– 29
    Starry Scorpius is sometimes called "the Orion of Summer" for its brightness and its prominent red supergiant (Antares in the case of Scorpius, Betelgeuse for Orion). Catch Scorpius due south just after dark now. It's full of deep-sky objects for binoculars or a telescope The post This Week’s Sky at a Glance, July 21– 29 […]
    Alan MacRobert
  • See the Celestial Birds of the Milky Way
    Summer is perfect for bird-watching whether that be in the trees or among the stars of the Milky Way. We explore the celestial birds of the season. The post See the Celestial Birds of the Milky Way appeared first on Sky & Telescope.
    Bob King
  • New Satellite “Mayak” Might Light Up the Sky
    Russia's first crowd-funded satellite, named Mayak (Russian for "beacon of light"), promises to be the “brightest object in the night sky next to the Moon.” The post New Satellite “Mayak” Might Light Up the Sky appeared first on Sky & Telescope.
    David Dickinson

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