Re: Seeking information about a topiary sundial at Ascott House, Buckinghamshire, UK

2019-10-04 Thread Steve Lelievre
Patrick, Patrick and Frans, So, it's just a horizontal dial with the tip of the topiary tree acting as a nodus? I see now that you're right, even if it's a little disappointing! Thanks, Steve On 2019-10-03 8:15 a.m., Steve Lelievre wrote: ... Ascott House. ... The gnomon has a fairly

Re: Equinoctial Puzzle

2019-10-04 Thread Michael Ossipoff
...and it seems to me that the South-Solstice of 2017 occurred on December 21.686, where the time of day is expressed as a fraction of a day, appended to the date. Michael Ossipoff 41 F On Fri, Oct 4, 2019 at 7:15 PM Michael Ossipoff wrote: > Autumn doesn't begin at the autumnal equinox. The

Re: Equinoctial Puzzle

2019-10-04 Thread Frank King
Dear Hervé, Congratulations on your comments on my puzzle about the September Equinox last month... > It seems that the answer to your question > can be found in the attached picture > inclosed in a recent information letter > issued by the French IMCCE institute > specialised in celestial

Re: Equinoctial Puzzle

2019-10-04 Thread Hervé Guillemet
Dear all, Thank you Frank for your puzzle. It seems that the answer to your question can be found in the attached picture inclosed in a recent information letter issued by the French IMCCE institute specialised in celestial mechanics and ephemerides calculations :