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Friday October 20th 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: 16-20 October 2017
  • Mine craft for Mars
  • Speeding up cancer screening
    Delivering breast cancer screening results in a day instead of today’s standard two weeks is being proposed by an ESA incubator start-up company using paperless technology and online image transfers. Screening vans are already on the streets.

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

  • Jovian Moon Shadow October 19, 2017
    Jupiter’s moon Amalthea casts a shadow on the gas giant planet in this image captured by NASA’s Juno spacecraft.
  • What Lurks Below NASA’s Chamber A? October 18, 2017
    Hidden beneath Chamber A at the Johnson Space Center is an area engineers used to test critical contamination control technology that has helped keep our James Webb Space Telescope clean during cryogenic testing.

RSS Astronomy Magazine

  • Hubble reboots Messier Catalog October 19, 2017
    NASA used images from the Hubble Space Telescope to create their own version of the Messier catalog.
  • Monsoons of methane on Titan October 18, 2017
    Titan experiences torrential downpours of methane rain, which help shape the surface of the alien world.
  • Gravitational Waves Show How Fast The Universe is Expanding October 18, 2017
    The first gravitational wave observed from a neutron star merger offers the potential for a whole raft of new discoveries. Among them is a more precise measurement of the Hubble constant, which captures how fast our universe is expanding. Ever since the Big Bang, everything in the universe has been spreading apart. It also turns […]

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RSS ESO

  • ESO Telescopes Observe First Light from Gravitational Wave Source October 16, 2017
    ESO’s fleet of telescopes in Chile have detected the first visible counterpart to a gravitational wave source. These historic observations suggest that this unique object is the result of the merger of two neutron stars. The cataclysmic aftermaths of this kind of merger — long-predicted events called kilonovae — disperse heavy elements such as gold […]

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  • Webcam on Mars Express surveys high-altitude clouds October 17, 2017
    An unprecedented catalogue of more than 21 000 images taken by a webcam on ESA’s Mars Express is proving its worth as a science instrument, providing a global survey of unusual high-altitude cloud features on the Red Planet.
  • Integral sees blast travelling with gravitational waves October 16, 2017
    ESA’s Integral satellite recently played a crucial role in discovering the flash of gamma rays linked to the gravitational waves released by the collision of two neutron stars.

RSS Sky & Telescope – Observing

  • Celestial Harvest Showpiece Roster
    Download the Celestial Harvest Showpiece Roster, a handy list of 300 of the best deep-sky objects to explore with telescopes from 2- to 14-inches in aperture. The post Celestial Harvest Showpiece Roster appeared first on Sky & Telescope.
    James Mullaney
  • This Week’s Sky at a Glance, October 20 – 28
    Look northeast in the starry sky these evenings. Capella shines low and brightest. Upper right of Capella, and upper left of the Pleiades, the stars of Perseus stand astride the Milky Way. The post This Week’s Sky at a Glance, October 20 – 28 appeared first on Sky & Telescope.
    Alan MacRobert
  • Orionid Meteors Max Out Sunday, Zodiacal Light Returns
    See what cosmic dust can do! Head outside this weekend for the peak of the Orionid meteor shower and an eyeful of zodiacal light. The post Orionid Meteors Max Out Sunday, Zodiacal Light Returns appeared first on Sky & Telescope.
    Bob King

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