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Monday August 21st 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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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]

Planets & more

Positions of Planets

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

Mars Express – Scientific Highlights

The following DLR article talks about measurements and scientific experiments performed [Read More]

Mars Northern Polar Region

Mars does not loose any of its attraction, particularly not in view of future manned Mars [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

  • Atlas V Rocket and TDRS-M August 18, 2017
    As the Sun rises at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, a United Launch Alliance Atlas V rocket vents liquid oxygen propellant vapors during fueling for the lift off of NASA's Tracking and Data Relay Satellite, TDRS-M.
  • Jupiter: A New Point of View August 17, 2017
    This striking Jovian vista was created by citizen scientists Gerald Eichstädt and Seán Doran using data from the JunoCam imager on NASA’s Juno spacecraft.

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  • Supermassive Black Holes Feed on Cosmic Jellyfish August 16, 2017
    Observations of “Jellyfish galaxies” with ESO’s Very Large Telescope have revealed a previously unknown way to fuel supermassive black holes. It seems the mechanism that produces the tentacles of gas and newborn stars that give these galaxies their nickname also makes it possible for the gas to reach the central regions of the galaxies, feeding […]

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  • Before the eclipse August 21, 2017
    The Sun as seen by SOHO and Proba-2 as astronomers prepare for today’s total solar eclipse
  • Sneak peek in colour August 16, 2017
    A preview of Gaia’s sky in colour provides a taste of the full-colour map of more than a billion stars that will be released next year

RSS Sky & Telescope – Observing

  • This Week’s Sky at a Glance, August 18 – 26
    The Milky Way runs from Sagittarius in the south, up and left across Aquila and the Summer Triangle very high in the east, and down through Cassiopeia to Perseus low in the north-northeast. The post This Week’s Sky at a Glance, August 18 – 26 appeared first on Sky & Telescope.
    Alan MacRobert
  • Will Monday’s Total Eclipse Change Your Life?
    Total eclipses have the power to touch us deeply and reverberate through our life in unexpected ways. The post Will Monday’s Total Eclipse Change Your Life? appeared first on Sky & Telescope.
    Bob King
  • The Solar Eclipse for the Rest of Us
    Totality watchers get the best show, but a far greater number of people will be in partial eclipse territory. Here's how to make the most of it. The post The Solar Eclipse for the Rest of Us appeared first on Sky & Telescope.
    Alan MacRobert

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