大帽山的17P

tang

4"折射 ISO 800 20秒,
薄雲中的17P
6/11/2007 22:30

ericng

Hi Tang,

Nice try! The cloud affect the contrast very much but I still see the condense core surrounded by the coma.

You can capture more 20 sec (say 100 images or even more) and stack it to achieve the accumulated long enough exposure.

Cheers,

Eric