rom the sun's hour
angle.
Best regards,
Frans Maes
On 14-10-2013 15:17, Helmut Sonderegger (Tele2) wrote:
Hi Roderick,
I like Willys new sundial too. It looks beautifully.
I included this sundial construction a longer time ago in my software
SONNE and discussed different cylinder s
Willy,
there ia also a free pdf-download of this book from
http://openarchive.icomos.org/267/
Helmut Sonderegger
Am 03.07.2013 14:25, schrieb Willy Leenders:
Read the e-book (free) at
http://issuu.com/starlightinitiative/docs/astronomy-and-world-heritage_thematic-study
Willy Leenders
Ha
Hello Roger,
sorry Roger, you are right, the orientation of the plane of the hour
scale can be different from the equatorial plane if the points are - as
you wrote - positioned by the specific geometry!
Very best wilshes
Helmut
Am 04.05.2013 19:09, schrieb Roger Bailey:
Hello Frank,
Yes, t
Hello Roger and Frank,
and additonally, shouldn't the plane through the points of the hour
scale be identic with the equatorial plane of the local sky. (I hope my
English formulation is understandable.)
Very best wishes
Helmut
Am 04.05.2013 19:09, schrieb Roger Bailey:
Hello Frank,
Yes, th
Hi all
now I got the full title for this article (in French ! ). I hope this
is correct now.
Tadeusz Przypkowsk: *La gnomonique de Nicolas Copernic et de Georges
Joachim Rheticus*, Actes du *VIII-e* Congrès International d'Histoire
des Sciences, Pages 400-409. Florence *1958*
The print da
Hi Darek,
A Historian just told me that the article of Tadeusz Przypkowski is in
French and two details should be corrected:.
The gnomonics of Nicolas Copernicus and of G J Rheticus, Actes du*VIII-e*
Congrès International d'Histoire des Sciences,
Pages 400-409. Florence*1958
*
But, he hasn'
Hello Donald,
At my fist look, your method is correct. Anselmo Perez Serrada made a
spreadsheet to calculate inclining and deviating analemmatic sundials.
There you could control your results. I do not know his web site but I
have this spreadsheet. Maybe somebody of this list knows Serrada's
Alex,
you can download my free software ALEMMA from my homepage
http://www.helson.at This calculates different types of analemmatic
sundials with ouput of tables and with output of constructions in
dxf--format
Best wishes
Helmut
Am 10.04.2012 06:16, schrieb Perit Alexei Pace:
Good morn
Hi Darek.
a longer time ago, I also wrote such a software for reverse engineering.
You can download this freeware from my homepage www.helson.at. There
select "Download software STUNDLIN"
Good success
Helmut
Am 11.01.2012 08:31, schrieb Shadows Pro:
Hi Darek and all
There is a feature in m
Dear Frank,
in my humble opinion, you hit the nail on the head.
Merry Christmas to all (or shouldn't I write that any longer?)
Helmut Sonderegger
Am 24.12.2011 10:40, schrieb Frank King:
Dear Mac,
You say:
May I ask a stupid question?
They are often the best. Remember the recent
thread st
Sorry Brent,
for me your mail is not of good taste nor does it seem funny to me:
1. It contains no dialling problem
2. For me it looks, as if you would like to make fools of some of this
list (I do not want to use a more rude word)
I think this list was created for dialling problems and acti
Donald,
I don't know if a perforated ring dial is the same as a farmers' ring. If so
then goto www.helson.at and download software SONNE. This software calculates
(beside many other sundial types) farmers' rings of different types.
Helmut
- Original Message -
From: Donald Christens
Hi to all,
In the attached gif-file one can see the hour lines (apparent time):
red lines: hour lines without longitude correction
gray lines: hour lines with longitude correction for 5 degrees (= 20 minutes
of time)
North is vertical up (= 12 local apparent time ... green).
One cannot
Frank,
I made a horizontal altitude dial for the inside of a box. The date lines
are parallel to 2 edges, one of the other 2 edges is the shadow casting
object. The box has to be rotated to the sun so that the vertical edges
parallel to the date lines point to the direction of sun (cast no sh
Marcelo,
you can download my free software SONNE from my homepage www.helson.at or
http://web.utanet.at/sondereh . This software SONNE also includes calculation
and construction of Ring Dials.
Good success
Helmut Sonderegger
- Original Message -
From: Marcelo
To: sundial@uni-koe
Hello,
to add an additional feature. I calculated with my software
Italian/Babylonian hours in shepherds' dials: Babylonian hours from 0 to
7:30 and - which is in this dial the same - Italian from 16:30 to 24, green
color shows noon.
We could try to sell that to retired people, who can see how mu
Dear sundial friends,
The new version 3.1 of my software SONNE is for download on
http://web.utanet.at/sondereh .
New features:
1. Photo gallery of sundials which can be calculated by Sonne
2. Additional sundial types on cylinder surfaces
3. Change of help files to chm-format, which is compatible
Terry,
I am not sure that this is the same problem but, I had the similar problem with
my software SONNE and DeltaCAD until I found that text files (and dxf files are
text files) can have ASCII or ANSI format and some software accepts only
dxf-files in ANSI format. Now I save dxf-files in ANSI
Steiner" <[EMAIL PROTECTED]>
To: "Helmut Sonderegger (Tele2)" <[EMAIL PROTECTED]>; "Fred Sawyer"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Thursday, September 25, 2008 11:49 AM
Subject: Re: Bernhardt's gnomons
Sorry for my terrible error in writing the name. Of course the name is
Bernhardt and the object discussed is the 'Bernhardt-Walze'!
Helmut
- Original Message -----
From: "Helmut Sonderegger (Tele2)" <[EMAIL PROTECTED]>
To: "Thomas Steiner" <[EMAI
As I read, the gnomon by Berhard ('Berhadt-Walze') is a bit more
complicated than just the half analemma rotated. This, because the sun rays
are not orthogonal to the axis of the Berhardt-Walze and therefore it needs
some higher Maths. And as I remember the calculations show that there can
exist s
I think Gian is right: as the author of "SONNE" I agree with Gian that all
feedback about the programs offered is very helpful. Also different opinions
are helpful for the programmer.
For me consensus in the dialist's nomenclauture seems impossible. We use
many definitions which are common not on
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