SECRETARY'S REPORT 91 



Whipple, F. L. Meteoritic material in space, l7i "Physics and Medicine of tlie 

 AtmosjAere and Space," edited by O, O. Benson, Jr., and H. Strughold, pp. 

 48-59, 1960. 



. Sub-commission 22a, Report on meteorites. Trans. Intern. Astr. Union, 



vol. 10, pp. 345-353, 1960. 



. Notes on the immediate feasibility of an orbiting astronomical telescope. 



IX International Astronautical Congress, 1958, Springer Verlag, pp. 92-95. 

 Whipple, F. L., and Davis, R. J. Proposed stellar and interstellar survey. 



Astron. Jouru., vol. 65, pp. 285-290, 1960. 

 Whitney, C. A. Stellar Therm opauses. Mem. Soe. Roy. Sci. Liege, ser. 5, vol. 



3, 1959. 

 Wbight, F. W., Jacchia, L. G., and Boehm, B. W. Photographic Lyrid meteors 



(abstract). Astrou. Journ., vol. 64, p. 349, 1959. 

 . Photographic Lyrid meteors. Astron. Journ., vol. 65, pp. 40-45, 1960- 



The Special Reports of the Astrophysical Observatory distribute 

 catalogs of satellite observations, orbital data, and preliminary re- 

 sults of data analysis prior to journal publication. Nos. 28 through 

 44, issued during the year, contain the following material : 



Special Report No. 28, Sept. 16, 1959. 



Catalogue of satellite observations for May and June, 1959, by R. G. 



Albert. 

 The orbits of Satellites 1958 Alpha, 1958 /3l, 1958 ^2, 1958 S2, 1959 ol, 

 1959 a2, by G. Veis. 

 Special Report No. 29, Sept. 21, 1959. 



Solar effects on the acceleration of artificial satellites, by L. G. Jacchia. 

 Special Report No. 30, Nov. 12, 1959. 



Anticipated orbital perturbations of Satellite 1959 52, by Y. Kozai and 



C. A. Whitney. 

 A table of the times of perigee passage for Satellite 1958 /32, by R. E. 



Briggs. 

 Note on the secular motions of the node and perigee of an artificial satellite, 

 by Y. Kozai. 

 Special Report No. 31, Jan. 18, 1960. 



Catalogue of observations of Satellites 1958 al, 1958 /3l, and 1958 /S2, for 

 July and August, 1959, prepared by R. G. Albert. Osculating elements, 

 by Y. Kozai. 

 Special Report No. 32, Jan. 29, 1960. 



Catalogue of observations of Satellite 1958 S2 for July, 1959, prepared by 

 R. G. Albert. 

 Special Report No. 33, Feb. 1, 1960. 



On the effects of image motion on the accuracy of measurement of a flash- 

 ing satellite, by J. A. Ilynek. 

 Special Report No. 34 (C-8), Feb. 2, 1960. 



Catalogue of observations of Satellite 1958 52 for the period through Aug. 

 22, 1959, prepared by R. G. Albert. 

 Special Report No. 35 (C-9), Feb. 5, 1960. 



Catalogue of observations of Satellite 1958 52 for the period Aug. 23 

 through Aug. 31, 19.59, prepared by R. G. Albert. 

 Special Report No. 36 (C-10), Feb. 8, 1960. 



Catalogue of additional observations of Satellite 52 for the period from 

 May 1 through May 29, 1959, prepared by R. G. Albert. 

 Special Report No. 37 (C-11), Feb. 10, 1960 



Catalogue of observations of Satellites 1958 52, 1958 Epsilon, and 1958 

 Zeta, prepared by R. G. Albert. 



