Re: Orologi Solari n. 34

2024-08-24 Thread Gian Casalegno
ience. Gian Il giorno sab 24 ago 2024 alle ore 19:08 Gian Casalegno < gian.casale...@gmail.com> ha scritto: > Dear friends, > a new issue of the Italian magazine Orologi Solari is available for > download from the usual site http://www.orologisolari.eu/. > > Here is the list o

Orologi Solari n. 34

2024-08-24 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "A Meridian Line to free Napoleon: one more detail" by Paolo Albèri Auber Thanks to a prec

Orologi Solari n. 33

2024-04-21 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "The meridian line of the Stock Exchange Building in Trieste: an (easily) solvable problem

Orologi Solari n. 32

2024-01-17 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "Gnomonics and Artificial Intelligence (ChatGPT)" by Gian Casalegno How

Orologi Solari n. 31

2023-08-24 Thread Gian Casalegno
ss prism, maintaining the generation of two different images coinciding at the time of true noon. 5. - "Building a sundial without gnomonic knowledge" by Gian Casalegno The author intends with this smartphone app (essentially a modern implementation of the "patience" method) to allow an

Orologi Solari n. 30

2023-04-18 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "The obelisk of Augustus. A detail so far ignored: deductions and updates" by Paolo Albéri

Orologi Solari n. 29

2022-12-17 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "Shadow and penumbra in the obelisk of Augustus" by Paolo Albéri Auber First of all, the s

Orologi Solari n. 28

2022-08-13 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "The Scottish sundials seen by Thomas Ross in the late 19th century" by Francesco Caviglia

Orologi Solari n. 27

2022-04-16 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. - "The Erfurt Rule" by Paolo Albéri Auber The "Erfurt Rule" is described by the German resea

Orologi Solari n. 26

2021-12-21 Thread Gian Casalegno
ed, to read the true temporary hours on medieval sundials. 4. - "Realization of a sundial on an inclined plane" by Gian Casalegno It is explained how, by means of the Orologi Solari program, it was possible to easily design a sundial positioned on an inclined declining plane located on

Orologi Solari n. 25

2021-08-18 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "The horizontal sundial of Euporus - The latitude" by Paolo Albèri Auber A horizontal sundi

Re: animation of shadow lengths and directions during day

2021-06-03 Thread Gian Casalegno
will give it a try and let me know if you need any more explanation. Best regards. Gian Casalegno Il giorno gio 3 giu 2021 alle ore 00:21 Schechner, Sara < sche...@fas.harvard.edu> ha scritto: > Hello, > > I am looking for a simple animation of how the shadow of a vertical gnom

Orologi Solari n. 24

2021-04-22 Thread Gian Casalegno
amonte: Genoese, Vigezzino by adoption and gnomonist" by Giacomo (Gim) Bonzani The author recalls the gnomonist Mario Damonte, summarizes his personal and professional life and describes some tools he built to design vertical sundials. 3. "Sundials to sunset: first achievements" by Gian Casa

Re: true North

2021-02-20 Thread Gian Casalegno
Another suitable method to know the exact sun position, and therefore to find North, is to use the Android app "Sol et Umbra". It was described in the article "A Mobile Gnomonic Tool For Android Devices", The Compendium, vol. 20, n. 2, June 2013. And it is available from Google Play Store at https

Orologi Solari n. 23

2020-12-12 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. " The Parish Church in San Vito di Cadore: sundial and orientation " by Paolo Albéri Auber,

Orologi Solari n. 22

2020-08-12 Thread Gian Casalegno
idolfo The authors describe the only conical sundial found in the territories of northern Italy, analyze its structure and demonstrate how it was made without following any correct gnomonic principle. 2. "Reflection sundial: an update" by Gian Casalegno The author comes back to reflection

Re: Time problem

2020-07-01 Thread Gian Casalegno
You can find an explanation of the meaning of the hours "da campanile" i.e. "a half hour after" in : https://www.academia.edu/2021256/Le_ore_italiane._Origine_e_declino_di_uno_dei_piu_importanti_sistemi_orari_del_passato_seconda_parte_ Regards, Gian Il giorno mer 1 lug 2020 alle ore 17:04 Ross S

Orologi Solari n. 21

2020-04-12 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "The conical sundials of Antiquity. Generalities - Part II" by Albéri Auber Paolo In the fir

Orologi Solari n. 20

2019-12-16 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "The conical sundials of Antiquity. Generalities - Part I" by Albéri Auber Paolo In this fir

Re: Sundial designs against vandalism

2019-09-29 Thread Gian Casalegno
obtain with the program can be seen in this simulation made with SketchUp : https://youtu.be/tD22oba6RyQ Ciao. Gian Il giorno ven 27 set 2019 alle ore 22:40 Gian Casalegno < gian.casale...@gmail.com> ha scritto: > David, > have a look at the bifilar sundials article on The Com

Re: Sundial designs against vandalism

2019-09-27 Thread Gian Casalegno
d let me know about every doubt you may have. Kind regards. Gian Casalegno Il giorno ven 27 set 2019 alle ore 17:33 David Andersson < davey.anders...@gmail.com> ha scritto: > In message < > caokdy5chx5cvb8u1wt6vfbkmydurwp7z4pkz_jg6o5li4pa...@mail.gmail.com> > Michael Oss

Orologi Solari n. 19

2019-08-13 Thread Gian Casalegno
in several cases. A digital bonus can also be downloaded for additional reference material. Hope you will enjoy the reading, although in Italian only. Ciao. Gian Casalegno --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Orologi Solari n. 18

2019-05-07 Thread Gian Casalegno
ot; by Quadri Ulisse The author describes the use and the principle of operation of a portable solar clock from the Roman era, kept at the Museum of the History of Science in Oxford and of which he made a copy in brass and steel. A digital bonus can also be downloaded for additional reference m

Orologi Solari n. 17

2018-12-18 Thread Gian Casalegno
NASS magazine "The Compendium" an interesting sundial proposed by Steve Lelievre, a Canadian gnomonist from Vancouver, showed off on the cover. This is an interactive horizontal Italic sundial of the Foster Lambert type. In this article an analysis of the author, using the usual gr

Re: Orologi Solari n. 16

2018-08-02 Thread Gian Casalegno
onvenience. Gian Casalegno Il giorno mer 1 ago 2018 alle ore 11:26 Gian Casalegno < gian.casale...@gmail.com> ha scritto: > Dear friends, > a new issue of the Italian magazine Orologi Solari is available for > download from the usual site http://www.orologisolari.eu/. > > Here i

Orologi Solari n. 16

2018-08-01 Thread Gian Casalegno
quot;De horologiis describendis libellus", a notebook of preparatory notes to commentaries on the Ten Books of Vitruvian Architecture. A digital bonus can also be downloaded for additional reference material. Hope you will enjoy the reading, although in Italian only. Ciao. Gian Casalegno --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Fwd: Solar math

2018-03-22 Thread Gian Casalegno
ubject: Re: Solar math To: Gian Casalegno Hi Dan, Another, free solution would be to use www.esrl.noaa.gov/gmd/grad/solcalc/. After giving in latitude, date and time, it provides solar azimut and altitude (= elevation). I have used it the way you are looking for. Just start entering a guessed pa

Re: Solar math

2018-03-22 Thread Gian Casalegno
Dan, the program AlmSun by Rafał Tomasik can compute the instant when the sun reaches the desired azimuth and height. More info can be found at http://almsun.pl/en/ Actually it is not freeware but it requires a small payment (it was 19 $ two years ago). Ciao. Gian 2018-03-22 15:47 GMT+01:00 Dan

Sol Et Umbra 12.0

2018-02-15 Thread Gian Casalegno
Dear friends, a new version of Sol Et Umbra is available for download from Play Store. The main change is the availabilty of a planispheric astrolabe synced to time, date and place as displayed by the app (i.e. automatic data from the internal clock and from the GPS or manually inserted data). Fo

Re: St. Valentin

2018-02-14 Thread Gian Casalegno
gmx.de> wrote: > >> >> >> https://www.youtube.com/watch?v=mZBwBqIbwYw >> >> HAVE A LOOK AND ENJOY! >> A most charming idea by Gian Casalegno! >> >> Reinhold Kriegler >> >> >> >> * ** *** * ** *** >

Re: Orologi Solari n. 15

2018-02-08 Thread Gian Casalegno
again. You can recognize the correct version of the file from the number of pages (122 instead of 120) and from the presence of the aforementioned review on p. 107. We apologize for the inconvenience. Ciao. Gian Casalegno <https://www.avast.com/sig-email?utm_medium=email&utm_sour

Orologi Solari n. 15

2018-02-07 Thread Gian Casalegno
easure of time in Roman Praeneste, illustrated through the myth of the Varrone Horologium and the Roman period sundials of great importance, among which two recently found in archaeological excavations. A digital bonus can also be downloaded for additional reference material. Hope you will enjoy t

Re: Great Circle Studios webpage gone?

2017-10-15 Thread Gian Casalegno
tp://www.sundials.eu/download/Comparison%20of%20sun%20ephemeris.pdf). Gian Casalegno <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Mail priva di virus. www.avast.com <https://www.avast.com/sig-email?utm_medium=ema

Re: Great Circle Studios webpage gone?

2017-10-12 Thread Gian Casalegno
"Horizons" by JPL: https://ssd.jpl.nasa.gov/horizons.cgi But let me repeat: "Sol Et Umbra" has been demonstrated to be as accurate as Horizons and it is portable. Gian Il 12 ott 2017 21:53, "Patrick Powers" ha scritto: > I believe that Great Circle is indeed no longer available. It disappear

Re: Great Circle Studios webpage gone?

2017-10-12 Thread Gian Casalegno
Use Sol Et Umbra 😉 Gian Il 12 ott 2017 20:43, "Steve Lelievre" ha scritto: > I've tried to access the Great Circle Studio's solar data calculator a > couple of time recently, but the website seems to be unavailable. Can > anyone tell me if it's permanently gone, as opposed to suffering a > tem

Orologi Solari n. 14

2017-09-23 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "Paralipomeni of the "daylight triangle" on horizontal sundials" by Albéri Auber Paolo After

Re: a strange sundial

2017-08-18 Thread Gian Casalegno
Our common friend Luigi Ghia asked me to post the following links about the sundial in Reims: http://michel.lalos.free.fr/cadrans_solaires/autres_depts/ marne/cs_reims_place_coquault.php http://www.prisme.asso.fr/realisation_pierre.html Ciao. Gian

Orologi Solari n. 13

2017-07-12 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "The globe dial of Prosymna: the "horizontal" layout" by Albéri Auber Paolo On the globe dia

Re: East/West Vertical Bifilar Sundial

2017-05-29 Thread Gian Casalegno
ilar sundial at your location. Greetings. Gian Casalegno 2017-05-28 22:35 GMT+02:00 Nathaniel Shippen : > I've seen some info on bifilar sundials, and they look very interesting. I > thought I would try to make a simple one (if that is possible). An east > and/or west facing vertical

Re: Looking for minutes and seconds correction for whole year for Equation of Time plaque

2017-04-30 Thread Gian Casalegno
When looking for astronomical data such as the Equation of Time, it is important to choose a data source with an adequate level of accuracy. It can be worthwhile to have a look at the article "Sun Ephemeris Comparison" published on "Orologi Solari" n. 11 and available in English at the following

Re: "amateur" sundial registries

2017-01-26 Thread Gian Casalegno
Nathaniel, have a look at "Sundial Atlas" http://www.sundialatlas.eu/ This is a world wide registry that currently includes about 30,000 sundials. After a free registration you can add sundials (including pictures, description, related documents etc) as well as to navigate the registry to virtuall

Re: Looking for minutes and seconds correction for whole year for Equation of Time plaque

2017-01-25 Thread Gian Casalegno
ndeed the case for Orologi Solari) and you should correct them to move to your time zone. Ciao. Gian Casalegno 2017-01-26 1:21 GMT+01:00 Kenneth R clark : > I had an error message from AOL Sorry for no subject line and my files > were not sent. > > Let me retry with this account. > &g

Re:

2017-01-25 Thread Gian Casalegno
here he computed the EoT mean value in the years 2014-2061. In my opinion this the best choice for a sundial that will be hopefully used for many years in the future. Ciao. Gian Casalegno 2017-01-25 16:33 GMT+01:00 clarkkr--- via sundial : > Diese Nachricht wurde eingewickelt um DMARC-

Orologi Solari n. 12

2017-01-20 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "Metamorphosis of a reflection sundial" by Riccardo Anselmi The article explains how to desi

Re: Equation of time on a Android Smart Watch

2016-12-21 Thread Gian Casalegno
> interesting Equation of Time face. The market is worldwide. > > Thanks, > > Regards, > > Roderick Wall. > > - Reply message - > From: "Gian Casalegno" > To: "sundial" > Subject: Equation of time on a Android Smart Watch > Da

Re: Equation of time on a Android Smart Watch

2016-12-17 Thread Gian Casalegno
Hi, I have recently purchased a smartwatch with the idea of developing some gnomonic features for Android Wear. Now I see that I have been beaten :-( Anyway I have just tried to download this "Equation of Time" app but unfortunately it failed. I have tried several times with no success, even if my

"Sun Ephemeris" program is safe to use

2016-11-09 Thread Gian Casalegno
Dear friends, I have been informed that a virus has been detected in my program "Sun Ephemeris" release 2.0 (as it was recently detected in "Orologi Solari"). This warning comes from users of the Avast antivirus. The problem has now been solved with the last virus signature distributed today by Av

"Orologi Solari" program is safe to use

2016-11-01 Thread Gian Casalegno
Dear friends, I was recently informed that a virus has been detected in my program "Orologi Solari" release 29.15. This warning came from some users of my program, both in Italy and abroad, all of them using the Avast antivirus. I verified with VirusTotal (a free online service that uses more than

Re: map of sundial distribution in Germany

2016-10-27 Thread Gian Casalegno
the dialists in the world ! Gian Casalegno 2016-10-27 15:30 GMT+02:00 Daniel Roth : > Dear All, > > Based on data from the German sundial association (Deutsche Gesellschaft > für Chronometrie e.V. - Fachkreis Sonnenuhren) the national weekly > newspaper Die Zeit has derived an illu

Re: Solar Declination

2016-10-26 Thread Gian Casalegno
Sorry: 0, 30, 60 ... 360 Il 25 ott 2016 18:45, "Gian Casalegno" ha scritto: Hi Dan, why don't you use "Sun Ephemeris" http://www.sundials.eu/download/ SunEphemeris_enu.html ? In a recent article it was demonstrated to be as accurate as the most renowned ephemeris s

Re: Solar Declination

2016-10-25 Thread Gian Casalegno
Stellarium is not very accurate: look at my analysis published in Orologi Solari n. 11. An English version of the article is available in the digital bonus associated to the magazine, but I can send the file to anyone can be interested to. Gian 2016-10-25 21:40 GMT+02:00 : > The Stellarium pro

Re: Solar Declination

2016-10-25 Thread Gian Casalegno
rs (Belgium) > > Visit my website about the sundials in the province of Limburg (Flanders) > with a section 'worth knowing about sundials' (mostly in Dutch): > http://www.wijzerweb.be > > > > > > > > > > Op 25-okt-2016, om 18:45 heeft Gian Casalegno

Re: Solar Declination

2016-10-25 Thread Gian Casalegno
Hi Dan, why don't you use "Sun Ephemeris" http://www.sundials.eu/download/SunEphemeris_enu.html ? In a recent article it was demonstrated to be as accurate as the most renowned ephemeris sources (f.i. Astronomical Almanac or JPL Horizon). Ciao. Gian 2016-10-25 18:38 GMT+02:00 Dan-George Uza : >

Re: DEUTSCHLANDKARTE Sonnenuhren

2016-10-08 Thread Gian Casalegno
An even better idea would be to register all these 13,000 sundials on Sundial Atlas (actually only 1489 are included) and let them become a valuable resource for all the sundials enthusiasts in the world ! Ciao. Gian Casalegno 2016-10-08 13:50 GMT+02:00 Reinhold Kriegler : > > > Dea

Orologi Solari n. 11

2016-09-25 Thread Gian Casalegno
Dear friends, a new issue of the Italian magazine Orologi Solari is available for download from the usual site http://www.orologisolari.eu/. Here is the list of articles together with a short abstract: 1. "M. Antistius Euporus" by Paolo Albéri Auber The author tells again about the Plintio Lacuna

Re: Subject heading

2016-08-10 Thread Gian Casalegno
emails. Best wishes. Gian Casalegno 2016-08-10 10:13 GMT+02:00 Douglas Bateman : > In spite of the ‘high value’ content of these message, I’m afraid that ANY > message without a subject heading tends to be deleted immediately. It is > only the fact that the senders are from the sundial l

Orologi Solari n. 10

2016-06-14 Thread Gian Casalegno
7; namely the Siena sundial - (part 2)" by Massimo Goretti "Nova fabbricandi horaria mobilia et permanentia..." by Alessandro Gunella A digital bonus can also be downloaded for additional reference material. Enjoy your reading ! Gian Casalegno --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Spider Dials

2016-06-02 Thread Gian Casalegno
Dear all, a spider dial can also be obtained as a special monofilar dial by means of the Orologi Solari s/w program. The project result can be exported as usual to several formats including PDF and dxf. Ciao. Gian Il 02/giu/2016 17:36, "Helmut Haase" ha scritto: > Dear Kevin, > You wrote " I wo

Re: Sundials near the Equator

2016-03-25 Thread Gian Casalegno
David, in Sundial Atlas there is a new "path" containing 13 sundials that are near the equator (between -5 and +5 latitude degrees). They include several pictures. Here is the link: www.sundialatlas.eu/atlas.php?sp=194 Ciao. Gian 2016-03-24 13:20 GMT+01:00 David : > Dear fellow shadow-watchers

Orologi Solari n. 9

2016-02-20 Thread Gian Casalegno
Urfalino As usual a bonus containing related files and programs is also available. Greetings. Gian Casalegno --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Orologi Solari n. 8

2015-09-02 Thread Gian Casalegno
lock by John Marke (1641 - 1673) - Alessandro Gunella A sundial on a pyramid - Miloš Nosek The Waldshut Apolyearth (part 1) - Ives Opizzo "Operating with the operating nature" The Flora clock in Bacoli (NA) - Ennia Visentin As usual a bonus containing related files and programs is a

Re: SUNDIALS OF SCOTLAND

2015-07-27 Thread Gian Casalegno
whole world, 259 in Scotland. Regards. Gian Casalegno 2015-07-26 23:12 GMT+02:00 Dennis Cowan : > > You may wish to follow my Facebook page where I will be regularly posting > photos of Scottish sundials that I have seen. > > Go to Facebook and search for Sundials of Scotland. > &g

Back to the list !

2015-07-26 Thread Gian Casalegno
Dear all, I hope I have finally solved my problems with the list. In the last days you have received several e-mails with no subject, no text, and an attachment. They were from me but it's not my fault: the list server decided to distribute my e-mails in that format for some unknown reason. I aske

test

2015-07-25 Thread Gian Casalegno
This mail is for testing only. Thanks. Gian Casalegno --- https://lists.uni-koeln.de/mailman/listinfo/sundial