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Original file(3,648 × 2,736 pixels, file size: 4.36 MB, MIME type: image/jpeg)

Summary

Description
English: A anchored, buoying cardinal mark (east) in pressure of ice. Notice the blue reflectors on black areas of the mark. Picture taken in front of South Harbor in Helsinki, Finland in March in an icy winter. While taking this picture, the sea was open few miles ahead. This kind of light, buoying cardinal marks may move with ice or be under ice. Therefore their locations (and even existence) is checked every spring.
Date
Source Own work
Author Pöllö

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w:en:Creative Commons
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author name string: Pöllö
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copyright status

copyrighted

copyright license

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inception

9 March 2010

source of file

original creation by uploader

captured with

Nikon Coolpix L100

exposure time

0.00240615976900866217 second

f-number

8.2

focal length

10.1 millimetre

ISO speed

80

media type

image/jpeg

instance of

photograph

checksum

e8f162f4ff7cf312bfd1a598d7c3df9d9e53e4e1

determination method: SHA-1

data size

4,575,274 byte

height

2,736 pixel

width

3,648 pixel

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Date/TimeThumbnailDimensionsUserComment
current19:09, 10 March 2010Thumbnail for version as of 19:09, 10 March 20103,648 × 2,736 (4.36 MB)Pöllö{{Information |Description={{en|1=A cardinal mark with retroreflectors in ice. Picture taken in front of South Harbor in Helsinki, Finland in March in an icy winter. While taking this picture, the sea was open few miles ahead. This kind of light, buoying
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