File:100 Hours of Astronomy (iau0908a).tiff
Original file (2,336 × 3,504 pixels, file size: 23.45 MB, MIME type: image/tiff)
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Summary
[edit]Description100 Hours of Astronomy (iau0908a).tiff |
English: For 100 hours, from 2 to 5 April 2009, amateur astronomers, professional astronomers, educators and people all around the world will share the experience of observing the sky. In this picture amateur astronomers are staring at the wonder of the skies.More information: www.100hoursofastronomy.org |
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Date | 30 March 2009 (upload date) | ||
Source |
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Author | TWAN/Babak Tafreshi | ||
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Licensing
[edit]This media was created by the International Astronomical Union (IAU).
Their website states: "The images, videos and web texts on iau.org are released under the Creative Commons Attribution 4.0 International License and may on a non-exclusive basis be reproduced without fee, on the conditions outlined below." Conditions:
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This file is licensed under the Creative Commons Attribution 4.0 International license.
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File history
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current | 00:25, 15 July 2023 | 2,336 × 3,504 (23.45 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://www.iau.org/static/archives/images/original/iau0908a.tif via Commons:Spacemedia |
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Metadata
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Image title | For 100 hours, from 2 to 5 April 2009, amateur astronomers, professional astronomers, educators and people all around the world will share the experience of observing the sky. In this picture amateur astronomers are staring at the wonder of the skies. More information: www.100hoursofastronomy.org |
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Camera manufacturer | Canon |
Camera model | Canon EOS 20D |
Author | Amir Hossein Abolfath |
Exposure time | 15/1 sec (15) |
F-number | f/4 |
ISO speed rating | 400 |
Date and time of data generation | 19:43, 28 October 2007 |
Lens focal length | 15 mm |
Width | 2,336 px |
Height | 3,504 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 27,608 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 3,504 |
Bytes per compressed strip | 24,556,032 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 01:12, 3 January 2008 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 19:43, 28 October 2007 |
APEX shutter speed | −3.906891 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | Uncalibrated |
Focal plane X resolution | 3,959.3220338983 |
Focal plane Y resolution | 3,959.3220338983 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Scene capture type | Standard |