M17
作者
Wei-Hao Wang
|
典藏者
王為豪
1100mm/F7.3 telescope
Canon 5D2 (astro-modifield)
total exposure time 1.5 hour
more details in www.astrobin.com/78393/
Canon 5D2 (astro-modifield)
total exposure time 1.5 hour
more details in www.astrobin.com/78393/