Magnetic Observatory, Hobart Town. 269 
“sum of the weights, give the final result, as the deduction 
“ from all the observations.” 
HOBART TOWN AND GREENWICH. 
i) Moon's Mean 
roars Hourly 
= 2 | Moon's} Hobart Town | Variation in 
DATE. 29 East of Right Ascen- | WEIGHT. 
a2 | Limb.| Greenwich. sion in an 
Zz Hour of 
a Longitude. : 
1842. igh, “aligy Gy S. 
December 8 | 1 II 9° 49° 27:4 138°755 0-991 
1844, 
February 1 | 1 Dateien oat 140-791 1-006 
March 6 ... | 2 II Sree ape Oe2 144°389 1-453 
1846, 
ATID Deere 1 I Fee PAS I4S) 121°683 0-869 
— 6...... 2 I Pat nua uiallg 118°629 17194 
WER AY Seebces 4 I Sait ay ioe) 122-663 ISP 
— il... 2 II Be peyant a esa 149°861 1°510 
dito Giseacs 1 I a ea eae 119-167 0-851 
— 6...... 2 I BAN rey) 138°368 1°393 
July 4...... 3 I AOD 140:120 ez! 
September 1 | 2 I ing ee eLore 156°484 1:576 
— 2 I Ut zoe 156°659 1:578 
Whence we obtain— Ege Si: 
By nine observations, Moon’s Ist limb ...9° 49° 26°03 
By three ditto, Moon’s 2nd limb ...9° 49° 15°68 
Y3 
