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Friday February 24th 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]

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  • Week In Images
    Our week through the lens: 20-24 February 2017
  • Vega flight opportunity for multiple small satellites
    Europe’s Vega small launcher is set to demonstrate its extended capability to deploy multiple light satellites using its new versatile Small Satellites Mission Service (SSMS) dispenser, in the second half of 2018.
  • Two radar eyes are better than one
    A novel airborne experiment over the flat agricultural landscape of the Netherlands recently simulated, for the first time, images that could be taken by radar satellites orbiting in tandem.

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

  • Orion Spacecraft Progress Continues With Installation of Module to Test Propulsion Systems February 24, 2017
    On Feb. 22, engineers successfully installed ESA’s European Service Module Propulsion Qualification Module (PQM) at NASA’s White Sands Test Facility in New Mexico that was delivered by Airbus – ESA’s prime contractor for the Service Module. The module will be equipped with a total of 21 engines to support NASA’s Orion spacecraft.
  • Charles T. Smoot February 23, 2017
    Charles Smoot was employed by NASA’s Marshall Space Flight Center where he began laying the foundation of a cooperative program targeting qualified African American students from universities across the nation.

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  • The Dawn of a New Era for Supernova 1987a February 24, 2017
    Three decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. Since that first sighting, SN 1987A has continued to fascinate astronomers with its spectacular light show. To commemorate the supernova's 30th anniversary, new observations and a 3-D model are being released.
  • Earth-Size Planets: The Newest, Weirdest Generation February 23, 2017
    A bumper crop of Earth-size planets huddled around a red dwarf star could be little more than chunks of rock blasted by radiation, or cloud-covered worlds as broiling hot as Venus.

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  • Ultracool Dwarf and the Seven Planets February 22, 2017
    Astronomers have found a system of seven Earth-sized planets just 40 light-years away. Using ground and space telescopes, including ESO’s Very Large Telescope, the planets were all detected as they passed in front of their parent star, the ultracool dwarf star known as TRAPPIST-1. According to the paper appearing today in the journal Nature, three […]

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  • Blast from the past February 24, 2017
    Hubble space telescope captures 30th anniversary image of a massive stellar explosion
  • The brightest, furthest pulsar in the Universe February 21, 2017
    ESA’s XMM-Newton has found a pulsar – the spinning remains of a once-massive star – that is a thousand times brighter than previously thought possible.

RSS Sky & Telescope – Observing

  • This Week’s Sky at a Glance, February 24 – March 4
    Some daily sky events among the ever-changing Moon, planets, stars and constellations, from Sky & Telescope magazine, the essential guide to astronomy. The post This Week’s Sky at a Glance, February 24 – March 4 appeared first on Sky & Telescope.
    Alan MacRobert
  • February 26th’s Annular Solar Eclipse
    Die-hard eclipse chasers have journeyed to the Southern Hemisphere to catch a short but dramatically thin "ring" eclipse of the Sun this weekend. The post February 26th’s Annular Solar Eclipse appeared first on Sky & Telescope.
    Kelly Beatty
  • Three Crescents and a Sinking Comet
    If you're crazy about crescents, you'll find your happy place this week between the Moon and Venus. Meanwhile, we shift our focus from 45P/H-M-P to another famous periodic comet, 2P/Encke. The post Three Crescents and a Sinking Comet appeared first on Sky & Telescope.
    Bob King

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