122 THE INDIAN ECLIPSE, I 



There is another point to which we should like to draw 

 attention in connection with these two photographs, not by 

 way of making a definite assertion, but in order to suggest a 

 subject for observation at the next eclipse. In examining these 

 photographs we have repeatedly been convinced that two rays 

 did not stop at the limits ascribed to them in the table given 

 above, but were continued, though with extremest faintness, 

 much further. These two rays were the S.W. and N.E. The 

 former seemed to us on both photographs to be traceable to 

 fourteen diameters from the centre of the sun not as a straight 

 line, for if we were not mistaken it became broken a little 

 beyond the point to which it could be easily traced, and then 

 separated into two distinct but nearly parallel branches. It 

 recalled to us, though in a most faint and ghostly manner, 

 Professor Barnard's famous photograph of Brookes' comet. 



The difficulty in the way of establishing this extension will 

 be understood when it is borne in mind that the diameter of 

 the sun is but T V inch upon the photograph, and that the 

 extension, if real, is too faint to permit of the slightest magnifi- 

 cation. It can only be seen by most careful adjustment of 

 the illumination. When seen it strikes the eye at first, but is 

 soon lost through visual fatigue. No measurements have been 

 possible, but the form and length of the extension appear to be 

 identical on both the photographs, so far as the most careful 

 eye comparison permits us to judge. If this extension is indeed 

 real, it would seem to offer a further indication of the close 

 connection between cometary and coronal phenomena. 



A. S. D. MAUNDER. 

 E. WALTER MAUNDER. 



NOTE ON A PHOTOGRAPH OF THE CORONA TAKEN DURING THE 

 PARTIAL PHASE.* 



BEFORE leaving England I took some photographs of the sun 

 on triply-coated plates with various exposures. The remarkably 

 small degree in which these photographs were halated deter- 

 mined me to utilise a spare dark slide, which fitted the camera 

 attached to the stigmatic lens, for a photograph of the sun 

 after totality was over. I had no precedent to go by as to 

 either when I should expose or what length of exposure I 

 should give. The experiment was therefore made to use a 

 peculiarly inapplicable metaphor in the dark. The last plates 

 of the series mentioned on p. 1 06, taken by Captain Molesworth 

 and myself, were surprised by the return of sunlight. The edge 

 of the sun had therefore reappeared by some seconds before 

 we had given the word to the "boys" to cover the object- 



* By Mrs. Walter Maunder. 



