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18900605 USNO

On 28 Mar, 2013 By walter.macdonal...
 

US Naval Observatory
Washington
June 5, 1890

My dear Sir
      I have the honor to inform that your Society has been put on our list for future publications, you will also receive in due time all the publications we have on hand including Volumes 1851-2, 63, 64, 68, 73, 73, 75—83 (15 Volumes).

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Wolsingham Oby Report

On 28 Mar, 2013 By walter.macdonal...

WOLSINGHAM OBSERVATORY.

REPORT FOR 1890.

During the Spring the revision of the proofs of the last pages of the new edition of the "Red Stars" was completed, and this work, which has been carried on since 1886, has been published by the Royal Irish Academy.

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1890 Brashear

On 28 Mar, 2013 By walter.macdonal...

ASTRONOMICAL AND PHYSICAL INSTRUMENT WORKS.

JNO. A. BRASHEAR

Allegheny, Pa. ......................1890.

Objectives made from the same glass.

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1890 Pursey

On 28 Mar, 2013 By walter.macdonal...
 

To the President and executive:

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18900623 Kirkwood

On 28 Mar, 2013 By walter.macdonal...

The following is a transcript of Daniel Kirkwood's acceptance letter.

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JRASC 2013 April

On 13 Mar, 2013 By james-deleted-5...

Inside this issue:

  • Lemaître’s Limit
  • Space Race
  • Moon Loops and Dumbbells
  • Historic Telescopic Observation
  • 227-Year-Old Error
  • Meteoritical Society
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Looking Up

On 08 Mar, 2013 By walter.macdonal...

Looking Up: A History of the Royal Astronomical Society of Canada, by R. Peter Broughton.

Information and table of contents.

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GA 1983 Docs

On 05 Mar, 2013 By walter.macdonal...

Various documents from the 1983 General Assembly.  The DJVU file has searchable text.

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Sirius B Observing Challenge - Results

On 01 Mar, 2013 By rosenfel@chass....

Sirius_B_logo_0.jpg

Challenge results

 

Alan Whitman (Okanagan Centre), published his observations in "October's dawn window for Sirius B", Sky & Telescope 126, 4 (Oct. 2013), 30-31.

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