Viewing page 162 of 241

This transcription has been completed. Contact us with corrections.

149
March 21, 1907

Exam. of plates for variation in No. 5931 on I33869. Sp. Na, var? -4° 1708 R.A. 6^[[h]] 46.0^[[m]] Dec. -4° 24.2' 9.0 (1855).

[[5 column table]]
|Plate|Date|Ex.|Est.|J.D.|
|I24493|January 29, 1900|31|9.7|5049|
|B14903|October 22, 1900|10|10.2|3489|
|B3138|Feb. 22, 1891|11|9.2|1786|
|B35154|Nov. 2, 1904|10|10.4|6787|
|B10943|April 18, 1894|10|10.1|2937|
|B27083|April 9, 1901|10|9.5|5484|
|B26577|Nov. 12, 1900|11|9.3|5337|
|B28823|Nov. 13, 1901|10|9.7|5337|
|I14415|Feb. 2, 1896[[strikethrough]]1906[[/strikethrough]]|12|9.8|3592|
|I23832|Oct. 18 1899|   |9.3|4946|
|I10465|Jan 19 1894|12|9.6|2848|
|I8022|Feb. 5, 1893|14|9.6|2500|
|B35[[strikethrough]]7[[/strikethrough]]173|Nov. 4, 1904|10|10.2|6789|
|B35232|Nov 11, 1904|10|10.3|6796|
|B32793|Oct. 20, 1903|10|10.1|6408|
|I5733|Feb. 18, 1892|10|10.0|2147|
[[/5 column table]]

An examination of the above plates shows a variation of about 1.[[strikethrough]]2[[/strikethrough]]1 magn. Estimated limits 9.2-10.4[[strikethrough]]3[[/strikethrough]]. Variation confirmed independently by L. D. Wells. W.P.F.