YK-1：Ω in M21 (Asterism)　　Omega shape in M21.

　　　　
　

YK-2：String （Asterism）　　At the omicron Serpentis (56 Ser) in Serpens.

　　　　
　

YK-3：Wig Nebula　　ARO351/Abell 70 in Aquila
　　Originally, this nebula is called as Diamond Ring. But it has an accent similar with Donald Trump's hair.
    I call this nebula as Wig Nebula, not as Trump's Nebula.

　　　　
　

YK-4：Garnet and Sapphire　　WZ Cas in Cassiopeia
　　Very beautiful double star in Cassiopeia. Main star is deep-red carbon star, and the companion star is blue.
　

YK-5：Andromeda Gamma Parallelogram （Asterism）　　Parallelogram in Andromeda. Just beside λ . 

　　　　
　

YK-6：Bloody Star　　W Orionis in Orion.
　　Most deep-red carbon star as if blood is dripping.
　

YK-7：Crown （Asterism）　　Crown shape at the 63 Gem in Gemini.
　　Landmark for finding of the Eskimo Nebula. Wasat → Crown → Eskimo Nebula

　　　　　
　

YK-8：Horseshore （Asterism）　　Center area of NGC6250 in Ara.

　　　　
　

YK-9：South WW　　Beautiful double-double star in Triangulum Australe.
　　One is TrA, and the other is HD138499 and HD138539. Both main star is gold and the the companion star is blue.

　　　　
　

YK-10：Necklace （Asterism）　　Center area of NGC4439 in Southern Cross.

　　　　　　
　

YK-11：Dragonfly （Asterism）    At the beautiful double star: Suhail al Muhlif （γ 2 Velocum） in Vela.
　　　　　　  100×
　

YK-12：Non La : Triangle hat of Viet Nam （Asterism）    At the r Velorum in Vela.

　　　　
　

YK-13：λ in Antlia （Asterism）　　λ  shape in Antila.

　　　　
　

YK-14：Hameln Whistling Man （Asterism）    The hat of Hameln Whistling Man. at the HD143479 in Apus.

　　　　

YK-15：Mask of Zorro （Asterism）    "Z" mark of Mask of Zorro. HDHD87319 (Hydra) is the starting point (Need some aperture).

　　　　

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