File:Cuneiform tablet recording observation of Halley's Comet.JPG

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Summary

Description	English: Observation of Haley's Comet, recorded in Cuneiform on a clay tablet between 22-28 September 164 BCE, Babylon, Iraq. British Museum, London. BM 41462
Date	27 February 2010
Source	Own work
Author	Gavin.collins

Licensing

I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public domainPublic domainfalsefalse

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Halley's Comet

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	NIKON
Camera model	S1
Exposure time	1/120 sec (0.0083333333333333)
F-number	f/4.8
ISO speed rating	50
Date and time of data generation	12:33, 27 February 2010
Lens focal length	14.3 mm
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	S1v1.0
File change date and time	12:33, 27 February 2010
Y and C positioning	Co-sited
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	86 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	12:33, 27 February 2010
Image compression mode	2
Exposure bias	0
Maximum land aperture	3.2 APEX (f/3.03)
Metering mode	Pattern
Light source	Unknown
Flash	Flash fired, auto mode
Colour space	sRGB

Background information

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