Re: Diamond Fuji

2016-01-07 Thread Frank King
Dear Rudolph, You are quite right to doubt my explanation: > If rays from the sun are deflected > downward by the mountain's knife edge, > wouldn't their light appear to come > from higher up in the sky, rather than > from lower down? I was unconvinced myself! I have now consulted various

RE: Diamond Fuji

2016-01-07 Thread Rudolf Hooijenga
...@cl.cam.ac.uk] Verzonden: donderdag 7 januari 2016 16:44 Onderwerp: Re: Diamond Fuji [...] This is a big challenge for a camera and what we are seeing is local over-exposure. On the image sensor at the back of the camera, there is spill-over of light onto neighbouring pixels

Re: Diamond Fuji

2016-01-06 Thread Frank King
Dear Roger, Your Mount Baker pictures are indeed a feast for the eye. Did Barry Barry Duell explain the physics in his talk on the Fuji Diamond? The sun appears "to take a bite out of" Mount Baker and my inference is that this is an example of Knife-Edge Diffraction as explained by Huygens and

Re: Diamond Fuji

2016-01-06 Thread Ruud Hooijenga
These are gorgeous pictures. If rays from the sun are deflected downward by the mountain's knife edge, wouldn't their light appear to come from higher up in the sky, rather than from lower down? All a fine 2016, Rudolf52.5N 4.7E Op 6 januari 2016 om 13:21 schreef Frank King

RE: Diamond Fuji

2016-01-05 Thread Dave Bell
From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Roger Bailey Sent: Monday, January 4, 2016 8:19 PM To: Dan-George Uza <cerculdest...@gmail.com>; sundial@uni-koeln.de Subject: Re: Diamond Fuji Hi Dan, Our NASS member in Japan, Barry Duell, gave a presentation a few yea

Diamond Fuji

2016-01-04 Thread Dan-George Uza
Hello, I saw a news report today about “Diamond Fuji”. When the sun appears to rise or set on top of Mount Fuji in Japan it shines like a diamond. http://newsonjapan.com/html/newsdesk/article/114827.php -- Dan ​ Uza --- https://lists.uni-koeln.de

Re: Diamond Fuji

2016-01-04 Thread Roger Bailey
directlink. The moonrises here are equally spectacular. Best Wishes for 2016, Roger Bailey From: Dan-George Uza Sent: Monday, January 04, 2016 1:04 PM To: sundial@uni-koeln.de Subject: Diamond Fuji Hello, I saw a news report today about “Diamond Fuji”. When the sun appears to rise or set on to