Becbubbr, 1902.] 



KNOWLEDGE 



287 



The moon is in apogee on the 2nd and 29th, and in 

 perigee on the 15th. 



Several bright stars suffer occultation during the 

 month ; of these the occultation of ?' Pisciura on the 10th 

 occurs at a convenient time, the times of the others are 

 somewhat inconvenient. 



• Star below horizon. 



The Planets. — Mercury is unobservable, being in 

 superior conjunction with the sun on the Tith. 



Venus is an evening star, but sets too soon after the sun 

 to be observed. 



Mars rises about midnight. .His path is in Virgo, and 

 at the middle of the mouth he is near yS Virginis. He is 

 in ipiadrature with the sun on the 24th, when the gibbosity 

 is a ma.ximum, 1)0 of his disc being illuminated. The 

 angular diameter of the planet is about 6"o. 



Jupiter is observable throughout the month in the early 

 part of the eveniug. At the beginning of the month he is 

 on the meridian at sunset, and sets about 8.45 p.m. Near 

 the end of tlie month he sets at 7.30 p m. His brilliance 

 is now waning and his diameter diminishing, the polar 

 and ('(juatorial diameters being .33''(J and 36"0 respectively 

 on the 14th. 



The positions of the satellites as seen in an inverting 

 telescope at 5.30 p.m. are as follows : — 



Tlie cirtle (O) represents Jupiter; signifies that t)ie satellite is 

 OQ the disc ; • signifies that the satellite is behind the disc, or in the 

 $hadow. The numbers are the numbers of the satellites. 



Saturn sets too soon after the sun to be observed. 



Uranus is in conjunction with the sun on the 14th, and 

 is therefore unobservable. 



Neptune is observalilc throughout the ni<;ht. About 

 the middle of the mouth he rises at 4.30 p.m., and is on 

 the meridian at midnight, being in opposition to the sun 

 on the 14th. On the 1st of tlie month he is to be found 

 midway between r) and fi Geminorum, and 17' south of the 

 line joining the two stars, whilst on the 31st he is exactly 

 14' south of the star 7; Geminorum. 



The Stars. — The positions of the principal constellations 

 near the middle of the month at 9 p.m. are as follows : — 



Zenith . Perseus, Cassiopeia. 



South . Andromeda, Aries, Pleiades, Cetus; to the 



S.W., Pisces; to the S.E., Taurus, Orion, 



Siriiis rising. 

 West . Delphinus, Cvgnus, Pegasus ; Lj'ra to the 



N.W. 

 East . Auriga high up, Cauis Minor (Pmrijoii) ; Leo 



rising in the N.E. 

 North . Ursa Major, Ursa Minor, Cepheus, Draco. 



Minima of Algol occur on the 1st at 5.15 p..m , Itlth at 

 1.20 A.M., 18th at 10.9 p.m.. 21st at (5.58 p.m. 



«!K[)css Column. 



By C. D. LococK, b.a. 



Communications for this column should be addressed 

 to C. D. LococK, Netherfield, Camt)erley, and be posted 

 by the 10th of each month. 



Solutions of November Problems. 



No. 19. 



Key-move. — 1. B to BB. 



As there is a dual in the composer's main variation, 

 duals alon(^ need be mentioned here. After 1. . . . B to 

 Ksq there is a dual bv 2. Q to R5. or 2. P to K5ch ; after 

 1. ... B to Q2, by' 2. P to K8 (Q), or 2. P to K5ch ; 

 and after L . . . BxKtP, a quadruple by 2. P to K5ch, 

 or promotion of the Pawn to Q, R, or Kt. 



No. 20. 



If 1. . 

 1. . 



After 1, 

 B to B4. 



Key-move. —1. Q to B5. 



P X Kt, 2. P X P, etc. 



P to K3, 2. Kt to B3, etc. 



. P X P, there is a dual by 2. Q to Kt5, or 



No. 21. 



The author's solution is 1. ... R to QB7 ; but there 

 are two others commencing with 1. . . . Kt to QKt7, and 

 1. . . . Kt to K4. 



Solutions received from W. Nash, 4, 4, G ; W. Jay, 

 G, 5, G; G. Woodcock, 4, 4, 4; C. .Johnston, G, 4, G; 

 " Looker-on," G, 5, G ; J. W. Dawson, 5, 4, 4 ; Lt.-Colonel 

 Damania, 4, 4, 4 ; Eugene Henry, 0, 4, 4 ; J. S. Davis, 



