File:NGC 6830.jpg

Original file (1,548 × 1,149 pixels, file size: 1.54 MB, MIME type: image/jpeg)

Summary

Description
English: Areaof the sky around M27 and including NGC 6830.

The image was taken with a Canon 20D fitted with a Carl Zeiss Jena "Sonnar" lens (F2,8/180 mm) for the Pentacon Six with an aperture of 1:5.6. Stars were tracked with a self-built, manually driven and unguided mount ("barndoor").

The image combines 14 single frames á 23 s. A masterdark of 22 frames was subtracted before stacking with Fitswork.
Date
Source Own work
Author Trinitrix
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author name string: Trinitrix
Wikimedia username: Trinitrix
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Creative Commons Attribution-ShareAlike 3.0 Unported

inception

22 September 2012

source of file

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media type

image/jpeg

data size

1,615,166 byte

height

1,149 pixel

width

1,548 pixel

checksum

25e5b4ebfc78fc4db2f01b9e46580fca85e60883

determination method or standard: SHA-1

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Date/TimeThumbnailDimensionsUserComment
current14:39, 23 September 2012Thumbnail for version as of 14:39, 23 September 20121,548 × 1,149 (1.54 MB)TrinitrixUser created page with UploadWizard

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allikas: https://en.wikipedia.org/wiki/File:NGC_6830.jpg