M31, the Andromeda Galaxy
作者
Wei-Hao Wang
｜
典藏者
王為豪
1100mm/F7.3 telescope
Pentax 645z (astro-modified)
three-frame mosaic
total exposure time = 53.7 hr (45.7 hr of RGB + 7.9 hr of Hα)
original image is 31320 x 17220 (539 mega pixels)
see www.gigapan.com/embeds/xp5Hj6H2dlw/ for a pan/zoomable high-resolution version.
see astrob.in/369032/0/ for more technical details.
Pentax 645z (astro-modified)
three-frame mosaic
total exposure time = 53.7 hr (45.7 hr of RGB + 7.9 hr of Hα)
original image is 31320 x 17220 (539 mega pixels)
see www.gigapan.com/embeds/xp5Hj6H2dlw/ for a pan/zoomable high-resolution version.
see astrob.in/369032/0/ for more technical details.
