Visibility of Luna and Lunar Crescent

1lz
Our ofth. 196 positiv€ sighring in the @pt. t4 cs6 d.qarc rron th. Linjr d@
!o Btuin. TheEfoE rh. nodet du! b Bruin is thc best mongsl ql ihe orhe, 20o ccntury
nod.k ad is s good $ lh. Lufu RiFn* Law. Ar nx es rhai daiar. f.oo
Brbylonid (io.rion atso dcviak froE Bruin,s nodet. A ctoer look in b ttE derails of
14 caes $at deviab fron Bruin,s mod€t sve.ls oEt rhe la cses devi.rilg frcn the
Luar Rip.ness Law and lh.e 14 caes have 8 common cascs. rn. fihl I cs.s ofvisible
cNolntable t.3.1 (ob*nation no.286,2ed 272) ofoncrec cros to auruDnal
.qunox have !alu6 ofve srlt aboE Bruin.s timi! siyen by (4.r,2). A. n @ di*ussed
'n snicle 1.3 the ce!ce.& in 6ese .6es eE older o
vi'ibihypo$ibre. rh. Bruin,slt.i,i,b.,.d..rh"b,ich.::,:;f,J:1':;T::
cases ae erisfying 1ne Btui.\ lioir despite having sEEll las.
Our otlhe six cdes lhat d€viat. fror Btuilt linit bnr not fbn LUM Ripenes
raw{obs.4o.413,434,I19,ll5,2S5 ed 290) fiEi fiG havc qalt valu6 (o.ol,
0.061 and 0.07 rcspediv€ly) so dc hsginal for Led Ripen*s
^Rm
Law. Sihitdly si, of the
Ijg that deviat fbh rhe Lu@ Rip€n $ t.w but rc! f@h Btuin,, ljnir (obwlrioa
numb6 286,2,2?2,314,6t3 ed 716) firsl lbG have b*n dscussed befoE. The n.xr
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