Visibility of Luna and Lunar Crescent

nay be considced for an adv&k pGdicliotr. I. cdc of vdifyins a visibilig claim $.
dual ahosbh.ric conditions mv b. 6oded.
Thercforc, a possiblc slral€gy for vedliatio. day be to usc eslituted alevalio.,
t, esriMtcd tcmp.rarurc, 7, dd $dnakd Glaive huidity, l/0 md get thc rsults for
g-value or r.value. lf n allows crcsccnr visibilny for lh. eve.ing in question dd fte claim
h nade, tbe clai6 is ac€pted lf1h. s.mi-.mpiricsl cribnon d@s nor.llows ccsc.nr
visibility dd cresccnl sishtins is claim.d, .voluare mleniludc contBsl M,. Iftlo > 01he
progran Hilalol alloqs for vElidtio. i. el€valion, rempc€tur€ dd Elrtive hunidny e
onc con adjust for thse quanfii* and qiry whether a favoulable ma8nirude contmsr (M
< 0) is obtaincd or nor If rhe new mgnilude contmsr is favoldblc dcepl lhe claim
On bsis of the d!r. generaled by pDgEn Hilalol GhoM io ngu6 on the n xt
page) Elations berween magnitude coht6$ and rhe quantiries on wbich ir dep.nds {t I
ahd I, ar€ obtained 6 aollows:
M = i 8177 -1.autE + O.0Ao000ze
M= I t626e40n22)
M = -A 4 368 + 0 Ai26T _ A 0008f +A OAOA6t'
ThG for meter inc.edc in elevalion M dece66 by O.OO0OO0I4' _ O,0O4l, for €ach
pcF€nlagc ircre4 in relaive hmidity rl' vdies by incrss by O.O3l 56e(0 o,o:d) ed for
€ach degce cenrigrade inc@sc in t€npqarue / incrcdes by 0.0126 - O.OO08T +
0.000006T?. This n6y ledd to the alproprjat€ elcvalio,! rehriv€ hhidiry dd
athospheric lenperarure tequjEd for faloldbl€ nagnituo€ conrsr An applopnate
erclation my b€ tbe el€vation of . hill top o. buildirg Mf fbm wher€ m obseFalion
nay bc @de or oay hale be. @dq The apprcpiare lchlsar@ ed rclalive hMidity
t70