Search found 2 matches

by StewartR
Thu Apr 17, 2014 10:02 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Waterton Lake Eclipse (2014 Apr 17)
Replies: 22
Views: 5821

Re: APOD: Waterton Lake Eclipse (2014 Apr 17)

It would be interesting to learn from the photographer how he created this image. I think there's quite a lot going on beyond the "obvious" 28 exposures of the moon. To my eye, the mountains on the left are probably illuminated by the moon on the right; and the mountains on the right are p...
by StewartR
Thu Apr 17, 2014 9:40 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Waterton Lake Eclipse (2014 Apr 17)
Replies: 22
Views: 5821

Re: APOD: Waterton Lake Eclipse (2014 Apr 17)

As I recall the rule of thumb, the moon moves through its own diameter every hour. If that's true, how can exposures ten minutes apart show discreet images of the moon separated by spaces? You don't state that the camera is fixed, true, but neither do you state that it was moved a bit between expos...