여름철 대삼각형 (Summer Triangle).
천문 박명 전후에 촬영한 사진입니다. ^^
디퓨저 필터를 쓸때와는 느낌이 또 다르네요.


Object : Summer Triangle.
Date : 2013. 05. 16. 03:18 (KST).
Location : Gapyeong-gun,  Gyeonggi Province.
Telescope (or Lens) : Samyang Polar 24mm (F1.4).
Mount (or Tripod) : SkyTracker mount.
Camera : modified Canon EOS 5D Mark III digital camera.
Focal Length : 24mm.
F ratio : 5.6.
Exposure : 3 x 360 s = 18 min.
ISO : 800.
Filter : None.
Photographer : Bum-Suk Yeom ( http://cometsky.tistory.com ).