NO. 9 BRIGHTNKSS OF LUNAR ECLIPSES FISHER 33 



1919 XI 7; 0.184; Grade 



c N. Pacific, near Bering's Str., Baffin Land, N. Atlantic. 



Quenisset, Juvisy, France, (297) ; clear spell between clouds. 



c =z I.I 24 cm. ; the shadow was very transparent and of a slate gray tone. 



Fock, Frederiksvaerk, Denmark, (296) ; air free of clouds, slightly 

 hazy, a faint ring around moon. 



c = i.3 16.2 cm.; the long ray of Tycho in the direction of Longomontanus 

 remained visible during the whole eclipse [till clouds stopped observ- 

 ing]- 



1920 V 2; 1.224; Grade 2 



c Southern O., Antarctica, S. Pacific. 



Bougourd, Tunis, (299) ; sky not stated, 

 a 1.9b 7-5 cm.; putting out of the field the part still bright, all the lunar 



geography is easily distinguished. 



Raymond, Antibes, France, (306) ; clear sky. 

 a 2.2 b Opera-glass, and telescope, aperture not given. Telescope shows all 



the details, which are also visible, a little, with the opera-glass. 



Perse, Angers, France, (305) ; sky not stated, 

 a 2.3 b 7.0 cm. ; the craters are visible, as well as the seas. 



Hersog, La Ferriere, Switz., (303) ; occasional breaks in clouds, 



aperture not stated. 

 a 2.4 b No detail visible, even with the telescope. 

 a 2.6 b Hestin, Compiegne, France, (304); clear. 

 c=:3.2 The contour of the seas in the eclipsed part is visible to the n. e. 



Geneslay, Fay, France, (301); sky not stated. 

 c = 2.9 7.5 cm. ; toward the middle of totality the red light weakens, the gray 



predominates, the details of the surface disappear. 



Choiiard, Melun, France, (300), fine weather. 

 c = 3.o 7.0 cm.; the larger features of lunar relief were very visible. 



Roguet, Peronne, France, (307) ; sky clear. 

 c = 3.3 The dark spots of the disk remained clearly visible during the whole 



duration of the observations, which were made with the n. e. 



Hauptmann, Uccle, Belgium, (302) ; sky not stated. 

 = 3.5 The great visibility of the disk during totality; all the seas were 



recognizable by the n. e. 



de Roy, Antwerp, (308) ; favorable conditions. 

 = 3.5 All the seas were visible to the n. e. 



Bartrum, Hampstead, Engl., (298) ; almost cloudless. 

 At all times even minute details could be made out in the shadow 



[but with which of 5 telescopes and several field-glasses, or with the 



n. e., is not made clear.] 



The visibility of details is corroborated by others, who do not state 



conditions, means, etc. 



1920 X 26; 1.404; Grade 2 



c N. Atlantic, near Petrograd, E. Black Sea, Gulf of Aden, Indian O., 



Antarctica, Pacific near Los Angeles. 



Mcintosh, Auckland, New Zealand, (309) ; light clouds, becoming 

 heavier and hiding moon about totality. 



