Visibility of Luna and Lunar Crescent

In all crloldjoE in rhis rcrk rhe coiDur.rioa have b.6 dotu for this besl tim.
sivcn by (4.2.7). EsFcially the calculatiotu fo. rhe iable no. 4.2.2 iD $ltich rbe Indid
condition (4.2.4) c used lhc @mputations ac done for this best tim..
Finally, Y.llop d.duccs rhe visibihy @ndilios for dillcrcnt M8es oI q_vatu4
aic. a detailed dltysk of rhe dlta *r of Nund 256 obsdado6 avaihble in his timc.
Our Esulti in lh. sdond l$1 colmn of rlblc in app€ndix-lll, e lPpliqtion of lhc
Yalloo s condnion (bascd on bsic dala of schoch, l9l0 or lhe Indid ndhod) io! $e
doia selcted inchapter 3 wbich is taLh mostly iion Od€h (Odeh,2004) Theconditions
d.duced by Yallop d. Eprodu€ed heE in labl.4 2 4 Ihese conditio.s e iddicalo6 for
lisibility eiih or wilhout oPlica! aid.
Tlble 4.2.4r Thc t-test crileria.
{A) q> 0 216 ENily visible (,4ICl 2 I2'r {EVl
(B) 02le,l> {014 visible und( p.rfd condnioN (v U PC)
(c)
The linilins ralucs of t
(Yallop,1998):
May nedoptrtl lid'o find cerdIMNOA)
(D) { 160:4 > -0 232 w-itt neo oprielaia o frna crescent tRoet
(E) -0 2l>4'-0 29q froivsrbG viii[lcmpe,4nC. < 8 5'tlt (D
(F)
4-299>q
weE chosn for lhc aix cnbria a to F for the following reens
-tlor
'sitk,
ueto" Dujon tinir;Rcl < 8' I
A lo@ limit is rcquir€d to spdl. ob*talio6 $at d uivial 6on rhos l'ul
nave ed. .len.nt ofdifiqitv. Accotding 10 Yallop il wc foud that lhe id'al
sirr^ion ARCL = l2o nd DAZ = O" prcducd a Fnsible cut-otl poin! for shich q
= +0 216, Tnere aG Ill exmDles i! Tabl. in appendixlll G'cond lai column)
wh€n q exc.eds this value, ad i. 8.Mal it should be v€rv ..sv lo se 1he new
(v)
142