File:Two dobsonians.jpg

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File:Two dobsonians.jpg - Wikipedia

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Summary

DescriptionTwo dobsonians.jpg	English: Two Dobsonian telescopes on display at Stellafane in the early 1980s.
Date	Taken in August 1983
Source	Own work
Author	Halfblue

Licensing

Halfblue at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:

	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
	Attribution: Halfblue at the English-language Wikipedia
	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. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.CC BY-SA 3.0truetrue

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.

Date/Time	Dimensions	User	Comment
2006-03-13 01:27	367×450× (47596 bytes)	Halfblue	{{Information\| \|Description = Two [[Dobsonian]] telescopes on display at [[Stellafane]] in the early 1980's. \|Date = created August of 1983 \|Author = [[User:Halfblue\|Halfblue]] \|Permission = I, the creator of this work, hereby release it into the public d

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:04, 16 September 2016		367 × 450 (46 KB)	Wiki LIC	Transferred from en.wikipedia

File usage

The following 3 pages use this file:

Global file usage

The following other wikis use this file:

Usage on ca.wikipedia.org
- John Dobson
Usage on es.teknopedia.teknokrat.ac.id
- John Dobson
Usage on ig.wikipedia.org
- John Dobson (onye na-amụ banyere mbara igwe)
Usage on tr.wikipedia.org
- Dobson teleskobu

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	SONY
Camera model	CYBERSHOT
Exposure time	1/200 sec (0.005)
F-number	f/2.8
ISO speed rating	100
Date and time of data generation	01:31, 13 March 2006
Lens focal length	21 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop 7.0
File change date and time	13:12, 12 March 2006
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.1
Date and time of digitizing	01:31, 13 March 2006
Meaning of each component	Y Cb Cr does not exist
Image compression mode	2
Exposure bias	0
Maximum land aperture	2 APEX (f/2)
Metering mode	Center weighted average
Light source	Daylight
Flash	Flash did not fire
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Scene type	A directly photographed image
IIM version	2

Summary

Licensing

Original upload log

Captions

Items portrayed in this file

depicts

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

inception

August 1983

exposure time

0.005 second

f-number

2.8

focal length

21 millimetre

ISO speed

100

media type

image/jpeg

instance of

photograph

File history

File usage

Global file usage

Metadata