File:The Emus Head in Aboriginal Astronomy Coalsack.jpg
Original file (2,048 × 1,370 pixels, file size: 2.41 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionThe Emus Head in Aboriginal Astronomy Coalsack.jpg |
This is colloquially known as the “Coalsack” as it looks a bit like a black bag. To the indigenous people of Australia however, it was the head of the Emu looking downwards towards the land. An ancient rock engraving of this nebula exists in Ku-ring-gai Chase National Park, and when the seasonal rotation of the nebula matched the orientation of the carved emu – it was the autumnal signal for Australian aboriginals to collect and harvest the eggs of emus to feast on. Sadly, it is now impossible to take a photo of the night sky and the engraving together as the light pollution from modern humanity in Sydney has erased the emu from the sky. That is a fitting irony probably with more than a few parallels to think about. Coalsack indeed. This widefield image is taken with a 135mm DSLR, no telescope. I’ve included below the Great Carina and Dark Doodad Nebulas taken with the same camera and scale. The are both in close in proximity to this one, and a contextual scale image of the Milky Way view to show you just how large the Emu’s Head / Coalsack appears in the sky. [ADD CONTEXT IMAGE LINKS] The Emus Head in Aboriginal Astronomy Coalsack.jpg The Emus Head in Aboriginal Astronomy Coalsack Context.jpg Great Carina Nebula Processed.jpg Dark Doodad Nebula Processed.jpg |
Date | |
Source | https://deography.com/the-emus-head-in-aboriginal-astronomy/ |
Author | Dylan O'Donnell, deography.com |
Permission (Reusing this file) |
Public domain, released on creators website with public domain notice |
Some of these beautiful images have already been released on Flickr and imported to Commons, but these seem to be new to us. It would be a shame not to have them on Wikimedia Commons, especially because of their license.
Public Domain license proof and information: https://deography.com/yes-its-free/
Internet Archive snapshot: https://web.archive.org/web/20190917015607/https://deography.com/yes-its-free/
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[edit]This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. | |
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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current | 16:32, 28 September 2017 | 2,048 × 1,370 (2.41 MB) | ToBeFree (talk | contribs) |
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Orientation | Normal |
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Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | PixInsight 01.08.04.1195 / PCL 02.01.00.0779 |
File change date and time | 2016-05-08T09:35:05+10:00 |
Date and time of digitizing | 05:24, 9 May 2016 |
Date metadata was last modified | 19:35, 8 May 2016 |
Unique ID of original document | xmp.did:0180117407206811822AFDEBCE8331EA |