File:McMath-Pierce interior.jpg
McMath-Pierce_interior.jpg (400 × 332 pixels, file size: 27 KB, MIME type: image/jpeg)
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Description: Photo of the carrier for the concave mirror inside the McMath-Pierce Solar Telescope at Kitt Peak National Observatory.
- Note the rails upon which it rides extending to the lower right of the image.
Location: Kitt Peak National Observatory, near Tucson, AZ, USA
Date: February 5, 2005
Author: John Owens (talk)
Permission: Released by the author under several free licenses, v.i.
Technical information: Taken with Canon Powershot A75
- Aperture: f/3.5
- Exposure: 1/13 s
- ISO: 200
- Zoom: 1.75x
Processing: reduced approx. 3x and cropped with the GIMP
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 02:47, 1 March 2005 | 400 × 332 (27 KB) | JohnOwens | Interior shot of the McMath-Pierce Solar Telescope at Kitt Peak National Observatory |
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Metadata
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Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot A75 |
Exposure time | 1/13 sec (0.076923076923077) |
F-number | f/3.5 |
Date and time of data generation | 10:49, 5 February 2005 |
Lens focal length | 9.40625 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 10:49, 5 February 2005 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 10:49, 5 February 2005 |
Image compression mode | 3 |
Shutter speed | 3.6875 |
APEX aperture | 3.625 |
Exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Focal plane X resolution | 7,692.3076923077 |
Focal plane Y resolution | 7,692.3076923077 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |