File:Silver coated Gemini North primary mirror (geminiann04019b).tiff
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editDescriptionSilver coated Gemini North primary mirror (geminiann04019b).tiff |
English: The freshly silver coated Gemini North primary mirror. This is the second successful silver coating of a Gemini primary. |
Date | 7 December 2004 (upload date) |
Source | Silver coated Gemini North primary mirror |
Author | International Gemini Observatory/NOIRLab/NSF/AURA/Kirk Pu'uohau-Pummill |
Other versions |
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Licensing
editThis media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:04, 27 October 2023 | 2,860 × 1,919 (11.13 MB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/original/geminiann04019b.tif via Commons:Spacemedia |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | The freshly silver coated Gemini North primary mirror. This is the second successful silver coating of a Gemini primary. |
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Camera manufacturer | Kodak |
Camera model | DCS Pro SLR/n |
Exposure time | 1/20 sec (0.05) |
F-number | f/3.3 |
Date and time of data generation | 17:37, 27 November 2004 |
Lens focal length | 17 mm |
Width | 2,860 px |
Height | 1,919 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 128 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | GIMP 2.10.18 |
File change date and time | 08:04, 30 November 2004 |
Exposure Program | Manual |
Exif version | 2.2 |
Date and time of digitizing | 07:55, 30 November 2004 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 4.3212890625 |
APEX aperture | 3.4443359375 |
APEX brightness | 0.087890625 |
APEX exposure bias | 3 |
Metering mode | Multi-Spot |
Light source | Fluorescent |
Supported Flashpix version | 1.01 |
Focal plane X resolution | 1 |
Focal plane Y resolution | 1 |
Focal plane resolution unit | inches |
Exposure index | 640 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 17 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Soft |
Subject distance range | Unknown |