from sunnyvale CA on 11/17/2015 Orion 10inch Aperture F/3.9 Newton with GSO coma corrector and Canon EOS XSi ISO1600 2Min x 60 枚＝１２０分 ３XDrizzle
345:NGC772 渦巻き銀河（非棒状） – 2015/11/24
from sunnyvale CA on 11/17/2015 Orion 10inch Aperture F/3.9 Newton with GSO coma corrector and Canon EOS XSi ISO1600 2Min x 60 枚＝１２０分 ３XDrizzle