Original file (3,504 × 2,336 pixels, file size: 2.47 MB, MIME type: image/jpeg)

Summary

Description
English: In this 10-second exposure photo, facing south toward Sagittarius, three forms of light pollution obscure the stars and faintly visible Milky Way in the suburban night sky over Southern California: skyglow, glare, and light trespass.
Date
Source Own work
Author Twinsday

Licensing

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Original upload log

Transferred from en.wikipedia to Commons by Edfri using CommonsHelper.

The original description page was here. All following user names refer to en.wikipedia.
  • 2010-06-12 01:57 Twinsday 3504×2336× (2585706 bytes)
  • 2010-04-29 11:47 Twinsday 3504×2336× (2539941 bytes)

Captions

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author name string: Twinsday
Wikimedia username: Twinsday

copyright status

copyrighted

copyright license

GNU Free Documentation License, version 1.2 or later

Creative Commons Attribution-ShareAlike 3.0 Unported

source of file

original creation by uploader

captured with

Canon EOS 20D

inception

22 October 2010

exposure time

10 second

f-number

3.5

focal length

19 millimetre

ISO speed

400

media type

image/jpeg

instance of

photograph

File history

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Date/TimeThumbnailDimensionsUserComment
current19:56, 12 March 2013Thumbnail for version as of 19:56, 12 March 20133,504 × 2,336 (2.47 MB)Edfri{{Information |Description={{en|In this 10-second exposure photo, facing south toward Sagittarius, three forms of en:light pollution obscure the stars and fa...

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