: Place ▁of ▁birth ▁missing ▁Category : 2 0 th - century ▁American ▁women ▁scient ists ▁Category : 2 0 th - century ▁American ▁scient ists <0x0A> </s> ▁NGC ▁ 6 6 0 3 ▁is ▁an ▁open ▁cluster ▁discovered ▁by ▁John ▁H ersch el ▁on ▁July ▁ 1 5 , ▁ 1 8 3 0 ▁located ▁in ▁S ag itt arius ▁const ell ation . ▁ ▁Situ ated ▁within ▁the ▁bright est ▁part ▁of ▁star ▁cloud ▁M 2 4 , ▁it ▁is ▁class ified ▁by ▁Sh ap ley ▁as ▁type ▁" g ". ▁This ▁cluster ▁consists ▁of ▁about ▁ 3 0 ▁stars ▁in ▁a ▁field ▁of ▁about ▁ 5 ▁arc ▁minutes ▁in ▁diameter , ▁and ▁is ▁about ▁ 9 4 0 0 ▁light ▁years ▁remote . ▁Thus ▁its ▁linear ▁diameter ▁should ▁be ▁about ▁ 1 4 ▁light ▁years . ▁The ▁h ott est ▁stars ▁are ▁about ▁B 9 ▁( point ing ▁to ▁an ▁intermediate ▁age ▁of ▁several ▁ 1 0 0 ▁million ▁years , ▁an ▁estimate ▁of ▁which ▁is ▁not ▁known ▁to ▁the ▁present ▁author ), ▁and ▁the ▁bright est ▁of ▁phot ographic ▁mag ▁ 1 4 . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁ 6 6 0 3 ▁Category : Open ▁clusters ▁Category : A stronom ical ▁objects ▁discovered ▁in ▁ 1 8 3 0 ▁Category : S ag itt arius ▁( const ell ation ) <0x0A> </s> ▁The ▁ 2 0 0 7 ▁C urr ie ▁Cup ▁First ▁Division ▁was ▁cont ested ▁from ▁ 2 2 ▁June ▁to ▁ 6 ▁October ▁