Re: largest sundial

2015-10-27 Thread Kurt Niel
Already built a vertical flat sundial with 240 m^m http://kepleruhr.eu - horizontal ones could be much bigger... Kurt Niel Am 27.10.2015 20:04 schrieb "R.Pauli" <m...@rpauli.com>: > I heard Bill Nye The Science Guy talk about his father wanting to set out > marks for t

Re: Kepler

2017-07-07 Thread Kurt Niel
wow! Mechanics beats math. Kurt Am 07.07.2017 11:55 Vorm. schrieb "fabio.sav...@nonvedolora.it" < fabio.sav...@nonvedolora.it>: > Hi, I just finished a work that has engaged me in the last two weeks. > > For those are interested about the Kepler's laws, it > > --- > New Outlook Express and

Re: Fwd: Re: The utility of sundials today.

2018-01-14 Thread Kurt Niel
In some practical matter: Using sundials you can: - directly observe behaviour of nature, especially the planetarian movements - get in touch with our solar system - get some analog feeling of time by observing the shadow movement - check for different parts of movements due to day time deviations

Re: new version 5.0 of freeware SONNE

2018-08-23 Thread Kurt Niel
A very useful and complete SW tool for designers of sundials of nearly all kind!! --> Thank you Helmut! Regards Kurt P.S. Little quiz: 1) Anybody knows this sundial here -where am I? 2) Whats wrong with the dial (image taken at 4 pm local time)? Helmut Sonderegger schrieb am Do., 23. Aug.

Re: New indoor sundial with lens/mirror

2018-04-20 Thread Kurt Niel
term for a concentrated spot of light? Maybe a 'negative' display? >> >> For the next version, I would want to see a prism that eould expand and >> colorize the light. Although I am unaware of the challenges of deploying >> glass optics. >> >> Superb design

Re: New indoor sundial with lens/mirror

2018-04-21 Thread Kurt Niel
Hi All, just added two videos about final works: 1) about the indoor sundial: https://m.youtube.com/watch?v=WzyvEpsEL8A 2) about the outdoor sundial: https://m.youtube.com/watch?v=mdw9mLih6gE Kurt Am 20.04.2018 3:32 Nachm. schrieb "Kurt Niel" <kepler...@gmail.com>: Hi all, pr

New indoor sundial with lens/mirror

2018-04-20 Thread Kurt Niel
Hi all, proudly presenting my latest sundial within a primary school here in Upper Austria: https://kepleruhr.at/su-vs-wallern and https://flic.kr/s/aHsm9EgPtL Bending mirror because of the narrow lightwell. Cheers Kurt https://kepleruhr.at ---

Re: Hour label question

2018-09-25 Thread Kurt Niel
Hi Steve, my first thought: I (as XII) as single line to be correct at the noon line. Getting the geometrical center of XII is not that easy. Kurt Steve Lelievre schrieb am Mo., 24. Sep. 2018, 22:55: > > Today I visited a sundial that I had not viewed before. > > I got myself in quite a

Re: dischrony

2019-03-13 Thread Kurt Niel
caused by the sun's position only). The calculation in between should not be a problem by GPS driven watches/smartphones/IoT-devices. Even mechanic watches would be able to do the job for EoT - EoL can be set manually if necessary while travelling. Kurt Kurt Niel schrieb am Mi., 13. März 2019

Live-View to KEPLERUHR

2019-02-15 Thread Kurt Niel
The huge Austrian sundial got a webcam. Views are available at: https://kepleruhr.at/en/live-view enjoy, Kurt --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: dischrony

2019-03-13 Thread Kurt Niel
Dear sundialists, within my sundial-/webcamproject https://kepleruhr.at/en/live-view I already declared the following relationship: UTC + EoT (equation of time) + EoL (equation of longitude) = LAT (local apparent time) = WOZ (Wahre Ortszeit) [German] Kurt Dan-George Uza schrieb am Mi., 13.

Re:

2020-02-04 Thread Kurt Niel
Very sad news. As an austrian GSA member had the chance to meet him several times - thankfully. Kurt nicolaseverino--- via sundial schrieb am Di., 4. Feb. 2020, 07:19: > Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die > eigentliche Nachricht steht dadurch in einem Anhang. >

Re: animation of shadow lengths and directions during day

2021-06-03 Thread Kurt Niel
Hello Sara, here is one of my time-lapse videos by a simple vertical stick: https://youtu.be/GOm7sqNUCzc Kurt Kepleruhr.eu EarthLAT1200.org Schechner, Sara schrieb am Do., 3. Juni 2021, 00:21: > Hello, > > I am looking for a simple animation of how the shadow of a vertical gnomon > changes in

Re: animation of shadow lengths and directions during day

2021-06-03 Thread Kurt Niel
t; Kim Hay > Ont. Canada > > On Thu, Jun 3, 2021, 5:13 AM Kurt Niel, wrote: > >> Hello Sara, >> >> here is one of my time-lapse videos by a simple vertical stick: >> https://youtu.be/GOm7sqNUCzc >> >> Kurt >> Kepleruhr.eu >> EarthLAT1200.org &g

Re: U.S. Senate approves bill to make daylight saving time permanent

2022-03-16 Thread Kurt Niel
It is still a shame, that DST is really that prominent. I stay in Europe and hope we can get rid of it - dammned DST. I am still very emotional about it and see it as one of many homan made mistakes. Kurt Steve Lelievre schrieb am Di., 15. März 2022, 22:51: > > It seems the USA may be getting

Re: U.S. Senate approves bill to make daylight saving time permanent

2022-03-16 Thread Kurt Niel
Noon is noon while the sun is up in the sky - over and out. Kurt Niel schrieb am Mi., 16. März 2022, 12:12: > It is still a shame, that DST is really that prominent. I stay in Europe > and hope we can get rid of it - dammned DST. > > I am still very emotional about it and see it as

Re: U.S. Senate approves bill to make daylight saving time permanent

2022-03-16 Thread Kurt Niel
aris, lunch time is at 1:00. That is very close to > solar noon. Paris is just a few degrees east of London. > > Maybe lunch time is at solar transit. > > > > *From:* sundial *On Behalf Of *Kurt Niel > *Sent:* Wednesday, March 16, 2022 7:18 AM > *To:* Steve Lelievre

Re: analemmatic sundial

2023-05-01 Thread Kurt Niel
Hi Donald, www.helson.at A very supportive SW with a lot of different types of sundials! Kurt Donald Christensen schrieb am Mo., 1. Mai 2023, 07:44: > I’m looking for a program to calculate an analemmatic sundial. Can anybody > help? > > Cheers > Donald Christensen > 0467 332 227 > > If you