Lowell_astrograph.jpg
Size of this preview:
402 × 600 pixels
.
Other resolutions:
161 × 240 pixels
|
322 × 480 pixels
|
515 × 768 pixels
|
686 × 1,024 pixels
|
1,995 × 2,976 pixels
.
Summary
Description Lowell astrograph.jpg |
English:
Tombaugh
used
Lowell Observatory
's 13-inch (3 lens element), f/5.3 refractor
astrograph
, which recorded images on 14x17 inch glass plates, to discover
Pluto
.
|
Date | |
Source |
This file is lacking
source
information.
Please edit this file's description and provide a source. |
Author | Taken by Pretzelpaws with a Casio Exilim EX-Z750 camera. Cropped 8/16/05 using the GIMP . |
This photograph was processed in GIMP . |
Licensing
|
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers . | |
|
||
This licensing tag was added to this file as part of the GFDL licensing update . http://creativecommons.org/licenses/by-sa/3.0/ CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 true true |
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 . http://www.gnu.org/copyleft/fdl.html GFDL GNU Free Documentation License true true |