I think you always want to take many pictures (significantly more than 100, it mentions a 10h integration time, which I think means taking photos for 10 hours i

I think you always want to take many pictures (significantly more than 100, it mentions a 10h integration time, which I think means taking photos for 10 hours in a row?), so if you take them 100x slower it will both take much longer, and there will be more drift in that time to account for.