Title: Dark nebulas of Ophiuchus Location: Toon city, Ehime, JAPAN
Date: April 5th. 2011,
ASTRO 50D ISO 800 IDAS HEUIB filter
Sigma Macro 70mm/F2.8 aperture F3.5
Expoure 10min x4
http://www.centralds.net/cam/wp-content/uploads/2012/04/SG70_ankoku_HEUIB_small_1.jpg1280853liyunhttp://www.centralds.net/cam/wp-content/uploads/2020/02/c-logo5.pngliyun2012-04-09 23:47:552012-04-09 23:47:55Takaharu Tsuda/Dark nebulas of Ophiuchus