宇宙科普每日一业余天文图天文酷图 【NGC 6960 - Veil Nebula】
Image Description and Details : This image was taken in South of France with an Esprit 120ED and an Asi 294MM Pro. I used Ha and OIII 4.5nm narrowband filters with 11.5 hours of exposure on the Veil Nebula in Cygnus constellation. Copyright: Benjamin LEFEVRE
