File:Vandenberg circumhorizontal arc.jpg
Original file (2,750 × 1,827 pixels, file size: 2.36 MB, MIME type: image/jpeg)
Captions
Summary[edit]
DescriptionVandenberg circumhorizontal arc.jpg |
English: Team V received a glimpse of a rare optical phenomenon here May 18. The circumhorizontal arc, more popularly known as a "fire rainbow," appeared in the skies above Vandenberg approximately 11 a.m. to 1 p.m. The arc is formed when sunlight rays interact with the ice crystals of cirrus clouds, producing well-separated rainbow-like colors. If the crystal alignment is just right, this interaction makes the entire cirrus cloud appear to shine like a fiery rainbow. |
Date | |
Source | http://www.vandenberg.af.mil/shared/media/photodb/photos/090518-F-3452P-001.JPG |
Author | Senior Airman Matthew Plew |
Licensing[edit]
Public domainPublic domainfalsefalse |
This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:53, 13 September 2009 | 2,750 × 1,827 (2.36 MB) | Matthewedwards (talk | contribs) | {{Information |Description={{en|1=Team V received a glimpse of a rare optical phenomenon here May 18. The circumhorizontal arc, more popularly known as a "fire rainbow," appeared in the skies above Vandenberg approximately 11 a.m. to 1 p.m. The arc is for |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D2Xs |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/12 |
ISO speed rating | 200 |
Date and time of data generation | 21:50, 18 May 2009 |
Lens focal length | 80 mm |
Orientation | Normal |
Horizontal resolution | 275 dpi |
Vertical resolution | 275 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 16:37, 18 May 2009 |
Y and C positioning | Co-sited |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 120 mm |
Scene capture type | Standard |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 21:50, 18 May 2009 |
Image compression mode | 4 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Cloudy weather |
Flash | Flash did not fire |
DateTime subseconds | 08 |
DateTimeOriginal subseconds | 08 |
DateTimeDigitized subseconds | 08 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |