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Wednesday November 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

  • Rover sunset
    Human spaceflight image of the week: Rover and drone form an alliance for space exploration
  • Galileo quartet fuelled and ready to fly
    Europe’s next four Galileo navigation satellites and the Ariane 5 rocket due to lift them into orbit are being readied for their 12 December launch from Europe’s Spaceport in Kourou, French Guiana.
  • Gadgets for Mars
    A mini-rover, tools once used on the Moon and lasers for 3D mapping are in the backpack of the explorers of tomorrow. The terrain will be hazardous and it will be dark in volcanic caves, but this equipment could one day help to scout other planets. 

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]

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  • ESO Observations Show First Interstellar Asteroid is Like Nothing Seen Before November 20, 2017
    For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. Observations from ESO’s Very Large Telescope in Chile and other observatories around the world show that this unique object was traveling through space for millions of years before its chance encounter with our star system. It […]

RSS ESA Space

  • Integral orbits November 20, 2017
    Visualising 15 years in space for ESA’s Integral satellite
  • Fracture swarms on Mars November 16, 2017
    These striking features on Mars were caused by the planet’s crust stretching apart in response to ancient volcanic activity.

RSS Sky & Telescope – Observing

  • Simple Formulas for the Telescope Owner
    Simple telescope formulas — how to calculate what you need to know about your telescopes, oculars, and binoculars. The post Simple Formulas for the Telescope Owner appeared first on Sky & Telescope.
    Chuck Hawks
  • This Week’s Sky at a Glance, November 17 – 25
    As twilight fades, look low in the southwest for Saturn and Mercury. The post This Week’s Sky at a Glance, November 17 – 25 appeared first on Sky & Telescope.
    Alan MacRobert
  • Fishing for Double Stars in Pisces
    Pisces, that sprawling constellation of faint stars easy to ignore, holds a treasure trove of double stars for small telescopes. The post Fishing for Double Stars in Pisces appeared first on Sky & Telescope.
    Bob King

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