Star trails around Polaris 북극성 주변의 별 일주 Star trails around Polaris.북극성 주변의 별 일주. 2015. 04. 17. 16:02 (UT, 04. 18. 01:02 KST).Samyang Polar 24mm (F1.4) lens with Canon EOS 5D Mark III camera.190CL tripod, ISO 1600, f/2.8, 30 sec x 218 = 109 min, Lee soft no. 1 filter,Bum-Suk Yeom ( http://cometsky.tistory.com/505 ), Sancheong, South Korea. http://cfile23.uf.tistory.com/original/2748C4485542F7AE31DE6D 2015. 5. 1. 이전 1 다음