Visibility of Luna and Lunar Crescent

All lhe* conditions falolr rhe lisibility and it wds ncntDncd above in view of
(1.41) that aor oldcr a8e cresccnb (/.M ls ta€e) sh! er arc or scparation may be
auowed. Thisexplainsrhe very sm.ll LAG (29.s, 33.62 and 32 07 respecriv€ly) in rhese
cas. Modov€r, in all $.s cases lhe arc ofvbion is snau (ARcv 6.85, 6.8 dd 7.34
deg!€es rcspectively) buftelorile uihulhs rc taree (DAZ = 18.4,2O.j and 18.l d€grees
r$perilely) aioh the sun and tos€r widlhs (51,65 ed 5r dc seconds respccrilely). Atl
lbese lacloB suppolt thc ctaims of lisibitjry md weE anlrcrpatcd above whcn il sas
suggesred rhat smalter L,{C valnes oa!, be alosed in such cases. All d€F clains de
fon latirudejusr moE rhm 30 des*s. The shath, values ot Rj"y in conpdison to R.,,
h lnes cscs is due ro larsc lalues ofa + A (noe th& 54 deee$),lhe &gle oalhe
eclipric with venical ed large nesaivc vatu$ of tarnude of Mooo LM (tes than _
4.5degrcs) lhar rcduces Rla to hate n nuch shalter lnu /w _ 1.. Alt rhe* rhr€
obsen.rion de rncgR.nedqrrh rhe Babytonru cr.rerion
Therc is no fudhq c6e ofcesenr visibitity tjl. varue of dRq < -1,6. Fbh
dong$ otherposilile cases wilh -1.6 < AR."r < O, two de
very young ccenr' Thee
t02