108 



THE INDIAN ECLIPSE, 1898. 



Three photographs were taken at Talni, Berar, : India, with 

 an equatorial having a Cooke's 4^ in. triple, photo-visual object- 

 glass of 71 in. focal length, which was generously lent to me 

 by Mr. Newbegin, F.R.A.S. Ilford ordinary quarter-plates were 

 used, with exposures of 1 J, 9, and 30 seconds. 



The reproductions, given on p. 109, almost entirely fail to 

 render the mass of complex detail, with its interlacing and 

 overlapping coronal rays, and the solar prominences, as shown 

 on the original negatives. The south-western ray extended to 



Mr. D. O. Morris. Mr. Thwaites. 



MR. THWAITES' OBSERVING HUT AT TALNI. 



the edge of the plate, and a greater length could have been 

 secured if the plate had been larger. 



The corona was of a delicate silvery white hue ; and as the 

 darkness was not so great as had been expected, its contrast with 

 the sky was somewhat lessened ; but it was an indescribably 

 beautiful and awe-inspiring spectacle, which fully repaid the 

 observers for the long journey from England, and all their 

 trouble and expense. 



C. THWAITES. 



