Sky pillar › Forums › Atmospheric Phenomena › Sky pillar This topic has 2 replies, 1 voice, and was last updated 11 years, 2 months ago by Dominic Ford (site admin). Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 10 September 2013 at 4:25 pm #573283 Dominic Ford (site admin)Participant Posted by Sheridan Williams at 16:25 on 2013 Sep 10 Has anyone any idea what this faint vertical shadow is?It was taken at sunset in Pembrokeshire on 10 September 2013. 10 September 2013 at 9:59 pm #576327 Dominic Ford (site admin)Participant Posted by Len Entwisle at 21:59 on 2013 Sep 10 Hi Sheridan , Though your picture is not visible in your query you may well find out what it is via this website Atmospheric Optics At a guess (unseen) I would think related to a crepuscular ray.Hope you can upload the image. 21 September 2013 at 6:50 pm #576328 Dominic Ford (site admin)Participant Posted by Sheridan Williams at 18:50 on 2013 Sep 21 Sorry to be dense, but I can’t see how to upload the image. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Connect with :Login with Sheep CRM Log In