Blink comparator
id:
blink-comparator-173-9930898
title:
Blink comparator
text:
A blink comparator is a viewing apparatus formerly used by astronomers to find differences between two photographs of the night sky. It permits rapid switching from viewing one photograph to viewing the other, "blinking" back and forth between the two images taken of the same area of the sky at different times. This allows the user to more easily spot objects in the night sky that have changed position or brightness. It was also sometimes known as a blink microscope. It was invented in 1904 by p
brand slug:
wiki
category slug:
encyclopedia
description:
Instrument for comparing small differences between two photographs of the night sky.
original url:
https://en.wikipedia.org/wiki/Blink_comparator
date created:
2004-07-12T05:40:56Z
date modified:
2024-09-02T14:13:24Z
main entity:
{"identifier":"Q884408","url":"https://www.wikidata.org/entity/Q884408"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/f7/Lowell_blink_comparator.jpg","width":1941,"height":2226}
fields total:
13
integrity:
16