ST Alpha - ""the star faded by about 20 per cent between 1890 and 1989." They were photographing this star in 1890? -- nm" (Reading a Post)

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In response to "^doom-level a. here's a non-gwkr link. nm but: -- (link)" by b.

"the star faded by about 20 per cent between 1890 and 1989." They were photographing this star in 1890? -- nm

Posted by JaxSean (aka JaxSean) Jan 15 '16, 18:37

(No message)

Responses:

there was imaging of the sky - the source is in the previous paragraph. :) - -- nm - b. Jan 15, 18:45 4
- But how good were the photos from 120 years ago? Or even 100 years ago? -- nm - JaxSean Jan 15, 18:56 3
  - you can see at least some of the photographic plates that have been digitally scanned here.. nm but: -- (link) - b. Jan 15, 19:01 2
    - here's a story, linked in their news section, that gives a bit of a summary of the project. nm but: -- (link) - b. Jan 15, 19:04 1
      - oh, this write-up is loads better. nm but: -- (link) - b. Jan 15, 19:05

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