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by ES.E
Mon Apr 19, 2010 9:38 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Ash and Lightning Above an Icelandic... (2010 Apr 19)
Replies: 48
Views: 15154

Re: APOD: Ash and Lightning Above an Icelandic... (2010 Apr

Impressive indeed.
There is something i do no t quite understand: there seem to be long star trails.
How is that possible? What is the exposure time? How come at least one of the trails is in front of the ash?