Search found 4 matches
- Thu Sep 17, 2009 1:38 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Triple Sunrise Over Gdansk Bay (2009 Aug 04)
- Replies: 338
- Views: 53715
Re: Cause of Triple Sunrise (APOD 2009 August 4)
Yes but the magnitude of the effect, especially at near normal incidence angle, is rather uncommon, I think. I have been unable to find another window (at my home and office) to duplicate the effect. If someone has, was the picture posted here ? I didn't post a picture, but I have a pretty ordinary...
- Thu Aug 06, 2009 9:42 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Triple Sunrise Over Gdansk Bay (2009 Aug 04)
- Replies: 338
- Views: 53715
Re: Cause of Triple Sunrise (APOD 2009 August 4)
To address the original point of this thread: with any doubt about the direction of the ghost suns removed from my mind, I firmly think this is just a reflection in the glass. I think the visual indications of this are numerous and have all been discussed already. Furthermore if the photographer was...
- Thu Aug 06, 2009 9:26 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Triple Sunrise Over Gdansk Bay (2009 Aug 04)
- Replies: 338
- Views: 53715
Re: Cause of Triple Sunrise (APOD 2009 August 4)
Chris and everybody else, You guys are right. The overall angle doesn't matter and it is indeed just a matter of how parallel the window panes are. Now that I'm at home, I have a sliding glass door and a flashlight with which I can easily conduct little experiments. The direction of the ghost images...
- Thu Aug 06, 2009 8:26 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: A Triple Sunrise Over Gdansk Bay (2009 Aug 04)
- Replies: 338
- Views: 53715
Re: Cause of Triple Sunrise (APOD 2009 August 4)
EDIT: Don't bother replying to this post. I got a chance to test this out for myself, saw what the deal was, and posted another reply below. I'll leave the original post intact below though. It's been fun reading the discussion here, but I think when people want to talk authoritatively about the di...