Visibility of Luna and Lunar Crescent

'Ihe table in App€n.tix'U shos S. No , the obseNation No (Od€h 2004)' date or
obseNalio., latiiude dd longilude of the locaiion ol obseru€r, visibilitv 'N' for lbaided
lisibility,'B' fot visibiliiy lhouel binGuld''T for visibihv thbush lelescope The
visibility coluds d€ empty if the.res.ent wd nol s*n sd conlaitu iV' in an
.ppropriltc colmn ifth€ q€sftnt is sen The rcsl ollhe coluons oflhe t8ble contarn
age ofMoon , LAG. ARCL, ARCV dd DAZ The ld file columns de fot the live
models consideted in this chrpter The colu. headed A is for the Babvlonid model'
and A for the Lunar Ripeness model The colnmn headed B cod'ins AR"
The lobl€ i! ,Appendixll shows lhat oul of 196 cdcs in shicb $e crese has
b€en reponed to hove been een wilhoul oplicdl aid thee tle onlv 14 cases hat do not
obey thc LuMr Ripencss La* stalcd above The debils or rhcs obscrydlions de tinther
exploEd below *ltn a Modi6ed L@r Ripeness Law is sugeest€d The nodificalion is
needcd in ordet 10 sepdarc tbc caes of dked eve visibilitv and rhe caes when optical is
used for clescent visibilitv
A tot.l number of l2 posiliv€ obsedations ih tbis dala hav€ b'en wnh the helP of
bin@ules ed klcscopes when $e cr.$enl ws nor visible vilhout oplical aid dnd the
Luai Ripe.ess Law is .ot elisfied 'nth is logicallv valid as the Lua' Ripencss Law
was deduced onlt for mlcd eve ob*tvatiotr Tlis bas he'n the dolivadon durine thN
$ ork lo ood i fy th€ Lunft Rip.ne ss Law ro e ocompass the otricallv aided obse d'tions
The columN ofihe table contain Ob$flario' Ssial Nunber as led bv Odeh
(2004), Date of ob*tvation titilude oi lhe Place Longitud€ ol the Place Visibililv
colunN N (lor unaided visibilirv), B (wirh bimculd) and T (wirh iele*ope)' The*
visibilily colums d. €mptv io! invisible cresent md co ain v for lisible R€st of lhe
colws contalns Ase of ctesce.t in hou6 fo' the best ime (Y6llop' 1998)' Lae in
nin(es, S.padtion b€twc€n the Su ed tbe M@n At of LiShl (ARCL)' the angle v =
900 - (9 + d), that thc €clipiic mai<es wih ile hotizon on the wsted holizon for the dav
of c'lculrtioi/obsedation, OM th€ latitude ol $e Moon' l'M rh€ longtude of rhe M@n Is
100