File:Chris Gunn, James Webb Space Telescope photographer (46741910804).jpg

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Description

This self-portrait of photographer Chris Gunn was made in an “air shower” before entering one of the cleanrooms where work on the James Webb Space Telescope was being performed. The “bunny suit” that he's wearing protects the telescope from contaminants like clothes, hair, and skin. Every time he has photographed the telescope he's had to put on one of these suits and clean his camera gear.

Image credit: Chris Gunn

Date

14 March 2015, 10:14

Source

Chris Gunn, James Webb Space Telescope photographer

Author

NASA's James Webb Space Telescope from Greenbelt, MD, USA

Chris Gunn

	Description	American photographer
	Authority file	: Q110278636

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This file has an extracted image: Chris Gunn, James Webb Space Telescope photographer (46741910804) (cropped).jpg.

Licensing

This file is licensed under the Creative Commons Attribution 2.0 Generic license.

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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.

This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/46741910804. It was reviewed on 27 December 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

27 December 2021

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:11, 27 December 2021		2,200 × 2,200 (587 KB)	Don-vip (talk \| contribs)	Transferred from Flickr via #flickr2commons

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File:Chris Gunn, James Webb Space Telescope photographer (46741910804) (cropped).jpg

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.

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Camera model	NIKON D4S
Exposure time	1/4 sec (0.25)
F-number	f/8
ISO speed rating	320
Date and time of data generation	10:14, 14 March 2015
Lens focal length	14 mm
Width	2,200 px
Height	2,200 px
Bits per component	8 8 8
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CC 2018 (Macintosh)
File change date and time	02:28, 25 March 2019
Y and C positioning	Centered
Exposure Program	Manual
Exif version	2.21
Date and time of digitizing	10:14, 14 March 2015
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	2
APEX aperture	6
APEX exposure bias	1.6666666666667
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire
DateTime subseconds	47
DateTimeOriginal subseconds	47
DateTimeDigitized subseconds	47
Supported Flashpix version	1
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Focal plane Y resolution	1,368.8888888889
Focal plane resolution unit	3
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	1
Focal length in 35 mm film	14 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	2014230
Lens used	14.0-24.0 mm f/2.8
Date metadata was last modified	19:28, 24 March 2019
Unique ID of original document	521EEF4DA2F233915783B911B5207BF2

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File:Chris Gunn, James Webb Space Telescope photographer (46741910804).jpg

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