8 ° ▁below ▁the ▁horizon . ▁Phot ograph ers ▁cher ish ▁blue ▁hour ▁for ▁the ▁tran qu il ▁m ood ▁it ▁sets . ▁When ▁photograph ing ▁blue ▁hour ▁it ▁is ▁recommended ▁to ▁capture ▁subjects ▁that ▁have ▁artificial ▁light ▁sources , ▁such ▁as ▁buildings , ▁monuments , ▁city sc apes , ▁or ▁brid ges . ▁ ▁See ▁also ▁ ▁B elt ▁of ▁Ven us ▁ ▁Color ▁temperature ▁ ▁Golden ▁hour ▁( ph ot ography ) ▁ ▁Green ▁flash ▁ ▁Mid night ▁sun ▁ ▁Pol ar ▁night ▁ ▁Summer ▁Even ing ▁on ▁Sk agen ' s ▁Southern ▁Beach ▁ ▁Tw il ight ▁ ▁Notes ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Blue ▁hour ▁mobile ▁application ▁( i OS , ▁I phone / i Pad ) ▁ ▁blue h ours ite . com : ▁Everything ▁about ▁Blue ▁H our ▁and ▁Night ▁Phot ography ▁( news , ▁articles , ▁tips ▁and ▁calcul ator ) ▁ ▁Tw il ight ▁Calcul ator , ▁Golden ▁H our / Blue ▁H our ▁table ▁ ▁Category : E arth ▁phen omena ▁Category : P arts ▁of ▁a ▁day ▁Category : Visibility ▁Category : N ight ▁Category : At mos pher ic ▁optical ▁phen omena <0x0A> </s> ▁N ury ab ▁( , ▁also ▁Roman ized ▁as ▁N ū ry ā b ; ▁also ▁known ▁as ▁N ū r - i - Ā b ) ▁is ▁a ▁village ▁in ▁How li ▁R ural ▁District , ▁in ▁the ▁Central ▁District ▁of ▁P ave h ▁County , ▁K erm ans h ah ▁Province , ▁Iran . ▁At