Visibility of Luna and Lunar Crescent

THE SOFTWARf, HILAI-OI.CPP
In this worl( a softwde k develop.d for the odysh of rhe fisr visibiliry of new
lue crc*dt dEr is simil& io mturc 6 rh. M@'calc by M@ur (Msru, 2001) dd
Accurare Times by odeh (odcb, 2006) but rhar can b. lscd ro compae aI rhe
compur.rional and thc ecie.l dd Doden visibiliry nod€ls. T1| lisdng of the poelm
Hilalo|.cpp is giyco i! ApFndix 4. Tn progm f€nrca d bri€fly de*dbed b.to*:
Th. prog@ LinAnal ucs ih&e dala filcs, rwo for input ed one for oulplt. The
two inpul dala il6 e (he files For.ad.rv thal conrains rhe padrcr€E 4, ,, and., (s
described inanicle2,6 lbove ). The pdmetcs oflhis dala file de adtu8€d in rabtes2.l
(A) lo 2.1 (F) in appcndix 2. 'Ih. ol]],er itpnt tie is tlc .tp2MA& rhat conlaiE the
paluercs as de$rib.d in rhc anicle 2.5 above. The pdmeles of rhis dara file d€
dds.d inbbles Ll (A) 10 1.3 (D) in appendix L
Thc third fiI. u*d by lhe prcgrd is *..t lhal is optional dd is n*d only vhen
fie Esults of fi. cobput2rions in Oc preetm m EquiEd to be sbEd. Tl!. vcGion of
lh€ progr.n Hilalol giv€n in appendix 4 hs the lile nanc scrrrgaA, rhar sbres lhe
onpulalional Esulrs of a sinelc .x@urior of $e prcgrm. fte i.fomations stoBt in
o. No., rhc obsenarion nhber thar n scncally digned by Odch (odeh,
2004).
Date. datc of obwatioo,
Long., th. longitudc of 0E ple ftom wh€E rh. clesnr is ob6eN.d
Latil., th. ladMe oflhc ple
Eld., the .lcvarion of rh. place above s! levcl,
T.mp., cnimred rcmFdturc of$e riDe of obswarion,
Hmid.. .stibaied relative humidny oflh. plac. at rhe rine of obs.Nadon
S@.i, lhe l6al tinc of sNet
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