APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

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APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby APOD Robot » Tue Mar 14, 2017 4:07 am

Image A Dark Winter Sky over Monfragüe National Park in Spain

Explanation: You, too, can see a night sky like this. That is because Monfragüe National Park in Spain, where this composite image was created, has recently had its night sky officially protected from potential future light pollution. Icons of the night sky that should continue to stand out during northern winter -- and are visible on the featured image -- include very bright stars like Sirius, Betelgeuse, and Procyon, bright star clusters like the Pleiades, and, photographically, faint nebulas like the California and Rosette Nebulas. Even 100 years ago, many people were more familiar with a darker night sky than people today, primarily because of the modern light pollution. Other parks that have been similarly protected as dark-sky preserves include Death Valley National Park (USA) and Grasslands National Park (Canada). Areas such as the city of Flagstaff, Arizona and much of the Big Island of Hawaii also have their night skies protected.

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Ann
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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby Ann » Tue Mar 14, 2017 8:18 am

This is a stunningly beautiful image! I think I can almost see the dust that is present in Perseus and Auriga - at right in the image - but surely that must be an illusion?

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby ta152h0 » Tue Mar 14, 2017 9:10 am

I was going outside and check to see if the image is oriented correctly, but unfortunayely here at 48 North, 122 West it is raining all week this week and my John Deere front leader doesn't go high enought over these clouds.
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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby neufer » Tue Mar 14, 2017 11:10 am

Click to play embedded YouTube video.


ta152h0 wrote:
I was going outside and check to see if the image is oriented correctly, but unfortunayely here at 48 North, 122 West it is raining all week this week and my John Deere front leader doesn't go high enough over these clouds.
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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby NGC3314 » Tue Mar 14, 2017 2:22 pm

What is that incomplete loop just south of Gamma Leporis? A quick check of a deep-sky atlas and some Googling doesn't turn up an obvious celestial ID.

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby neufer » Tue Mar 14, 2017 2:59 pm

NGC3314 wrote:
What is that incomplete loop just south of Gamma Leporis?
A quick check of a deep-sky atlas and some Googling doesn't turn up an obvious celestial ID.

Art Neuendorffer

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby Scruffy » Tue Mar 14, 2017 4:27 pm

ta152h0 wrote:I was going outside and check to see if the image is oriented correctly, but unfortunayely here at 48 North, 122 West it is raining all week this week and my John Deere front leader doesn't go high enought over these clouds.

Shoulda bought a Ford - [url]http://mcrecord.ecmpublishers.com/wp-content/uploads/sites/21/2016/07/Hillman-Parade-Guy-on-tall-tractor.jpg
[/url]

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby saturno2 » Tue Mar 14, 2017 5:22 pm

Beautiful and very interesting image

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby Ann » Tue Mar 14, 2017 5:31 pm

neufer wrote:
NGC3314 wrote:
What is that incomplete loop just south of Gamma Leporis?
A quick check of a deep-sky atlas and some Googling doesn't turn up an obvious celestial ID.



I doubt it. Abell 7 is very faint, and it doesn't seem to be located in the region of the loop.

I suspect that the loop is an artifact of some kind.

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby neufer » Tue Mar 14, 2017 7:12 pm

Ann wrote:
neufer wrote:
NGC3314 wrote:
What is that incomplete loop just south of Gamma Leporis?
A quick check of a deep-sky atlas and some Googling doesn't turn up an obvious celestial ID.


I doubt it. Abell 7 is very faint, and it doesn't seem to be located in the region of the loop.

I suspect that the loop is an artifact of some kind.

Art Neuendorffer

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby JohnD » Tue Mar 14, 2017 8:09 pm

That in the enormous landmass of the US there should be Dark Sky areas cannot be surprising and we should be thankful for that.

But of 11 International Dark Sky Reserves in the world, the UK has 4 - the Brecon Beacons, Exmoor, Snowdonia and the South Downs National Parks. http://www.nationalparks.gov.uk/visitin ... dark-skies To which I would add areas in the Highlands of Scotland, the Forest of Bowland (Lancashire and only ten miles from where I live), Suffolk and Wales, that are not National Parks but Areas of Outstanding Natural Beauty. In fact, there are 150 Dark Sky Discovery sites in the UK! http://www.stfc.ac.uk/news/stargazing-s ... pollution/

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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby ta152h0 » Wed Mar 15, 2017 3:15 am

Betelguese is a big star. went back and saw the video of comparative sizes of stars to the Sun.
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Re: APOD: A Dark Winter Sky over National Park... (2017 Mar 14)

Postby Chris Peterson » Wed Mar 15, 2017 4:01 am

ta152h0 wrote:Betelguese is a big star. went back and saw the video of comparative sizes of stars to the Sun.

But still a point source in virtually every astronomical image, including this one.
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