Visibility of Luna and Lunar Crescent

lhe lmd ft*e.t. C€ncrally thc crnical valuc of thc Phsc b consid€Ed lo b. t%
(Astrononicrl AlMac, 200?). Duing rhc p€riod flom Jduary,2000 b Sepr., 200? $ar
were consid€.ed in lhis 3tudy rhe'e qs nor a sinsl. incidencc when rhe sidd.s ot
cEscenl with phN l.$ lhan l% ws eponed and am€/.d. There weE two @c6io.s
when lhe ph6e m grcarer rhan l% bur ihrr. ws no claim of sightings a.d sighting ws
not possible accoding ro bo$ lh. oitclia considqed (Oct. 23,2006 and Dec. 2l,2006).
In lhc cae ofNov, 13,2004 th. phase ws I l9% lhal may have been lhc Eason rhat rtre
siehting.lain qas accepred (as ne.don.d earlie4.
TheyounB€slcrescentof agc t9.l hou6(!r bstdheoivisibilny)eendurinClhe
period of study was that of May l'7, 2OO?. Apan from b.in8 $e youngesl cre$eht seen
duing th€ Fnod of study lhc ob$rvltion has anottrcr inleresing teatur€. Thi5 Ms $e
or y case when thc cr.eent was sccn on ft. enc cEgodm date a it N6 born
ac@rding ro Patiskn sblded line. Apari ton $is record obstualion th@ are fou.
orhd clains ofyoung Moons sighling,Nov. 11.2004(22.1hours),tan.t0.2006(21.45
ho6), June 26, 2006 (22.76 houre) dd Fcb. 17. 2007 (2 t .6 hous). ln aI $eE vee 22
(21% of Ihe studied) ascs of sishdnS daiN when $c .se of M@n @ les rhfl l0
The obsemtion of Feb. | 7, 2007 @ nadc ar fic slronomical ob*Fabry ar rh€
Instrule of Spsce & PlanetJry Astophts'cs. Unrvcrsily ol Kr',(hr *. ,pou.a U.
cre$ent nsing lhe 6' Codd Refractor T€lescoF. Both rhe prcdidion crileria alto$ed
crc*enr sighri.g wirboul oplical aid but wc could se rh. cr€scenl wi$oul tetescope. No
other claim of qesenr siShring wa ac.iv.d by $€ aulho ies on rhis day, Tte
aulho lies acceptcd ou €laim. This was $c young*r ccseft sen ar ou obseoalory
d$ng lhe period ofsludy, It is a Ko.d for ou! obs.ryarory and rhc vorld recod for rhn
part'culaf clescenfs eeli.st obervarion (sw,ftoonsiahlina,con dd
sv.icoprciecr.op). Our phoroSraphic r.cord h also posred on retevanr websnes.
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