File:AuroraBackyardHeden.jpg
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[edit]DescriptionAuroraBackyardHeden.jpg |
English: Explanation: On the night of March 17/18 this umbrella of northern lights unfolded over backyards in Vallentuna, Sweden about 30 kilometers north of Stockholm. A result of the strongest geomagnetic storm of this solar cycle, auroral displays were captured on that night from back and front yards at even lower latitudes, including sightings in the midwestern United States. A boon for aurora hunting skywatchers, the space storm began building when a coronal mass ejection, launched by solar activity some two days earlier, struck planet Earth's magnetosphere. So what's the name of the backyard observatory on the right of the wide field view? That's Carpe Noctem Observatory, of course. |
Date | |
Source | https://apod.nasa.gov/apod/ap150319.html |
Author | P-M Hedén |
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[edit]Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:53, 18 October 2018 | 1,000 × 884 (284 KB) | Nepaxt (talk | contribs) | User created page with UploadWizard |
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Exposure time | 5/1 sec (5) |
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F-number | f/4 |
Date and time of data generation | 00:54, 18 March 2015 |
Lens focal length | 8.1061706675928 mm |
Width | 12,551 px |
Height | 11,456 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 16:50, 18 March 2015 |
Exif version | 2.21 |
Date and time of digitizing | 00:54, 18 March 2015 |
APEX shutter speed | −2.321928 |
APEX aperture | 4 |
Color space | sRGB |
Date metadata was last modified | 17:50, 18 March 2015 |
Unique ID of original document | 6849F5DA33D05DC40C3888B6E6112B2B |
IIM version | 1,831 |
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18 March 2015
5 second
8.10617066759284530246 millimetre
image/jpeg
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291,055 byte
884 pixel
1,000 pixel
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