File:Mayall Telescope.jpg
Original file (1,200 × 1,600 pixels, file size: 494 KB, MIME type: image/jpeg)
Captions
Description: Photo of the Mayall Telescope (4.0 m) at Kitt Peak National Observatory.
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/2.8
- Exposure: 1/4 s
- ISO: auto
- Zoom: 1x
Processing: none
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 23:38, 6 July 2005 | 1,200 × 1,600 (494 KB) | JohnOwens (talk | contribs) | Original larger version, now that I know about thumbnailing | |
02:45, 1 March 2005 | 600 × 800 (69 KB) | JohnOwens (talk | contribs) | Mayall Telescope at Kitt Peak National Observatory |
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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 | Canon |
---|---|
Camera model | Canon PowerShot A75 |
Exposure time | 1/4 sec (0.25) |
F-number | f/2.8 |
Date and time of data generation | 14:44, 5 February 2005 |
Lens focal length | 5.40625 mm |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 14:44, 5 February 2005 |
Y and C positioning | Centered |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Exif version | 2.2 |
Date and time of digitizing | 14:44, 5 February 2005 |
Image compression mode | 3 |
APEX shutter speed | 2 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
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 |