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Updated: 15 hours 42 min ago

Astro-Imaging: Don’t Throw A FITs, Man!

Fri, 03/15/2019 - 9:00am

The FITS file is so much more than just an image format. If you're looking to get serious about deep-sky astrophotography, here's what FITS can offer you.

The post Astro-Imaging: Don’t Throw A FITs, Man! appeared first on Sky & Telescope.

Categories: Astronomy

This Week’s Sky at a Glance, March 15 – 23

Fri, 03/15/2019 - 5:10am

  Friday, March 15 • Look for Arcturus, the Spring Star, very low in the east-northeast after nightfall and higher in the east later in the evening. By modern measurements Arcturus is visual magnitude –0.05, making it the fourth-brightest nighttime star. It's bested only by Sirius, Canopus, and Alpha Centauri (if you combine the light of Alpha Cen A and B, because the pair appears single to the unaided eye). […]

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Categories: Astronomy

Sudden Impact: What Greenland’s Crater Means for Our Planet’s History

Thu, 03/14/2019 - 4:01pm

The discovery of a recent huge meteor crater beneath Greenland’s ice sheet has reignited a debate over cosmic influences.

The post Sudden Impact: What Greenland’s Crater Means for Our Planet’s History appeared first on Sky & Telescope.

Categories: Astronomy

Billion-Light-Year Club: Further targets for Going Deep May 2019

Thu, 03/14/2019 - 11:59am

Did you enjoy chasing down targets billions of light-years away after reading Going Deep in the May issue? Here are more targets for your enjoyment.

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Categories: Astronomy

NASA 2020 Budget Proposal Boosts Exploration, Downplays Science

Thu, 03/14/2019 - 11:33am

NASA's Lunar Gateway and a return to the Moon are the big winners in the 2020 budget proposed for the agency; the futures of planetary and Earth science are less clear.

The post NASA 2020 Budget Proposal Boosts Exploration, Downplays Science appeared first on Sky & Telescope.

Categories: Astronomy

Deep-sky Hunting in Cancer, the Crab

Wed, 03/13/2019 - 11:20am

As winter melts into spring, we sample both familiar and overlooked deep-sky treasures in the "empty space" between Gemini and Leo, home of the Crab.

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Categories: Astronomy

My First Astrophoto: The Rosette Nebulae

Wed, 03/13/2019 - 8:14am
Categories: Astronomy

Dignity of Damavand Mountain

Wed, 03/13/2019 - 8:14am

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Categories: Astronomy

Astronomical Research Institute of Sri Lanka

Tue, 03/12/2019 - 10:57am

  NAME Charlotte Amateur Astronomers Club ADDRESS 60/1/A, Ganemulla Road Kadawatha, Western Province Sri Lanka 11850 CONTACT Eranga Thilina Jayashantha PHONE +94718792137 EMAIL arisastronomy@gmail.com URL https://www.astronomers.lk NUMBER OF MEMBERS 10+

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Categories: Astronomy

‘Oumuamua “Sped Up” in the Inner Solar System. This Might Be Why.

Tue, 03/12/2019 - 9:26am

Astronomers think a jet-powered rocking motion could solve the puzzle.

The post ‘Oumuamua “Sped Up” in the Inner Solar System. This Might Be Why. appeared first on Sky & Telescope.

Categories: Astronomy

Mars Insight’s “Mole” Hits a Snag

Mon, 03/11/2019 - 10:46am

Drilling operations for NASA's Mars Insight Lander have been put on hold as the "mole" has hit unexpected obstacles.

The post Mars Insight’s “Mole” Hits a Snag appeared first on Sky & Telescope.

Categories: Astronomy

Iwamoto in Auriga

Mon, 03/11/2019 - 9:14am

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Categories: Astronomy

Starburst Galaxy M82

Mon, 03/11/2019 - 9:14am

The post Starburst Galaxy M82 appeared first on Sky & Telescope.

Categories: Astronomy

Zodiacal light over La Mancha

Mon, 03/11/2019 - 9:14am

The post Zodiacal light over La Mancha appeared first on Sky & Telescope.

Categories: Astronomy

NGC 2264, NGC 2259, and IC 2169

Mon, 03/11/2019 - 9:14am

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Categories: Astronomy

Aurora and a meteor from Tromso

Mon, 03/11/2019 - 9:14am

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Categories: Astronomy