土星 25.03.2008

universe24

望远镜光轴并没有调到最好，天空有薄云。

此次拍摄很突然，天气也是突然转好，找不到绿色滤镜，竟拿了OIII滤镜来代替....但是很喜欢最后处理出来的颜色....

ericng

AH! Wonderful. LRGB does gives good signal to noise ration on your image. Although you used OIII which the bandwidth is much narrower which resulting nosier, but it does not affect the final quality of the LRGB.

Best Regards,

Eric