"M8&M20

Equipment：Canon EOS 50D(Mod)、Canon EF-S55-250mm f/4-5.6 IS STM、SkyTracker Pro
Single parameter：focal length 200mm \ aperture F5.6 \ shutter speed 20 \ ISO1000
Photo superposition：300 lights x 20s、36 darks、10 flats
Shooting place：Shunyi, Beijing
Filmmaker：Myself@末尾的开端"