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Saturday January 20th 2018

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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: 15-19 January 2018
  • Teacher Workshops
    Primary and secondary school teachers from ESA Member and Associate States are invited to apply to robotics and automation workshops
  • Earth from Space
    In this week's edition, discover Brazil’s Marajó island with Sentinel-2

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 trail images are beautiful to look at and they are captivating because they make time visible. These images can be [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

  • Prepping the Parker Solar Probe for Space January 19, 2018
    At NASA's Goddard Space Flight Center, the Parker Solar Probe is lowered into the 40-foot-tall thermal vacuum chamber. The thermal vacuum chamber simulates the harsh conditions that the spacecraft will experience on its journey through space, including near-vacuum conditions and severe hot and cold temperatures.
  • Jupiter’s Swirling South Pole January 18, 2018
    This image of Jupiter’s swirling south polar region was captured by NASA’s Juno spacecraft as it neared completion of its tenth close flyby of the gas giant planet.

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RSS ESO

  • Odd Behaviour of Star Reveals Lonely Black Hole Hiding in Giant Star Cluster January 17, 2018
    Astronomers using ESO’s MUSE instrument on the Very Large Telescope in Chile have discovered a star in the cluster NGC 3201 that is behaving very strangely. It appears to be orbiting an invisible black hole with about four times the mass of the Sun — the first such inactive stellar-mass black hole found in a […]

RSS ESA Space

  • Crater Neukum named after Mars Express founder January 18, 2018
    A fascinating martian crater has been chosen to honour the German physicist and planetary scientist, Gerhard Neukum, one of the founders of ESA’s Mars Express mission.
  • Turbulent plasma January 15, 2018
    Simulating space plasma heating with supercomputers…and in your cup of coffee

RSS Sky & Telescope – Observing

  • Hunters Recover Meteorites From Michigan Fireball
    A spectacular fireball seen by hundreds of people from Iowa to Ontario delivered precious samples from the asteroid belt to the lake country of southern Michigan Tuesday night. The post Hunters Recover Meteorites From Michigan Fireball appeared first on Sky & Telescope.
    Bob King
  • This Week’s Sky at a Glance, January 19 – 27
    Sirius twinkles brightly below Orion in the southeast. Around 8 p.m. Sirius shines straight below Betelgeuse in Orion's shoulder. The post This Week’s Sky at a Glance, January 19 – 27 appeared first on Sky & Telescope.
    Alan MacRobert
  • Mira Makes January Nights “Wonderful”
    Mira, one of the easiest-to-observe pulsating variable stars, reaches peak brightness this month. Don't be shy, come look her in the eye.  The post Mira Makes January Nights “Wonderful” appeared first on Sky & Telescope.
    Bob King

RSS Science Daily

  • Challenging existing models of black holes
    A new study expands the scientific community's understanding of black holes in our galaxy and the magnetic fields that surround them.
  • North, east, south, west: The many faces of Abell 1758
    Resembling a swarm of flickering fireflies, this beautiful galaxy cluster glows intensely in the dark cosmos, accompanied by the myriad bright lights of foreground stars and swirling spiral galaxies. A1758N is a sub-cluster of Abell 1758, a massive cluster containing hundreds of galaxies. Although it may appear serene in this NASA/ESA Hubble Space Telescope image, […]