Original file ‎(2,592 × 3,888 pixels, file size: 6.2 MB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Description

This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 76000209.

English: Alcatraz Island Light off the coast of San Francisco, California

Date

13 November 2008, 16:06:48

Source

originally posted to Flickr as Warden's House

Author

Caitlin Regan

Permission
( Reusing this file)

This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 20 April 2009, 15:18 by Jonesey. On that date, it was confirmed to be licensed under the terms of the license indicated.

This file is licensed under the Creative Commons Attribution 2.0 Generic license.

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Object location	37° 49′ 36.48″ N, 122° 25′ 22.08″ W	View this and other nearby images on: OpenStreetMap	37.826800; -122.422800

Information (Geography)

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:19, 20 April 2009		2,592 × 3,888 (6.2 MB)	Flickr upload bot	Uploaded from http://flickr.com/photo/21484712@N00/3059747711 using Flickr upload bot

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Usage on af.wikipedia.org
- Alcatraz-gevangenis
Usage on da.wikipedia.org
- Alcatraz Federal Penitentiary
- Inspektørens hus på Alcatraz
Usage on fr.wikipedia.org
- Pénitencier fédéral d'Alcatraz
Usage on fy.wikipedia.org
- Federale Finzenis Alcatraz
Usage on it.wikipedia.org
- Prigione di Alcatraz
Usage on ru.wikipedia.org
- Алькатрас (тюрьма)

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon EOS DIGITAL REBEL XTi
Exposure time	1/400 sec (0.0025)
F-number	f/14
ISO speed rating	400
Date and time of data generation	16:06, 13 November 2008
Lens focal length	30 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop 7.0
File change date and time	22:03, 25 November 2008
Y and C positioning	Co-sited
Exposure Program	Not defined
Exif version	2.21
Date and time of digitizing	16:06, 13 November 2008
Shutter speed	8.6438598632812
APEX aperture	7.6147155761719
Exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	4,453.6082474227
Focal plane Y resolution	4,433.2953249715
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard

Information (Geography)

Captions

Items portrayed in this file

some value

13 November 2008

37°49'36.5"N, 122°25'22.1"W

0.0025 second

14

30 millimetre

400

image/jpeg

db2b45f9b7c9473704d1b6400c8565c10d93df8d

6,497,426 byte

3,888 pixel

2,592 pixel

File history

File usage

Global file usage

Metadata