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constructing an Astrolabe?
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Nikolai Petrovich
Dec 1, 2018, 10:16:17 AM12/1/18
to
Greetings and Salutations
I have a very nice cardboard astrolabe, but it is calculated for
40 degree's north. which is about 550 miles south of where I am.
Does anyone have a reference for how one goes about calculating /
constructing one of a particular latitude?
in service
Nikolai Petrovich
--
Nikolai Petrovich Flandropoff
Whimiscal Order of the Ailing Wit
Scribe & Zampollet to Clan MacFlandry
Loose Canon, An Tir Heavy Opera Company
Semi-offical TASS correspondent (That makes me - the Demi-Tass)
I have a very nice cardboard astrolabe, but it is calculated for
40 degree's north. which is about 550 miles south of where I am.
Does anyone have a reference for how one goes about calculating /
constructing one of a particular latitude?
in service
Nikolai Petrovich
--
Nikolai Petrovich Flandropoff
Whimiscal Order of the Ailing Wit
Scribe & Zampollet to Clan MacFlandry
Loose Canon, An Tir Heavy Opera Company
Semi-offical TASS correspondent (That makes me - the Demi-Tass)
Dorothy J Heydt
Dec 1, 2018, 11:05:00 AM12/1/18
to
In article <h5950elp5oumcuivv...@4ax.com>,
glanced at a few and realized I don't have the math for this.
But then, I don't have the math for high-school algebra any more.
This is a very low bar.
I suggest you also google "astrolabe calibration" and search
through the sites, and _Deo volente,_ you'll find what you need.
Good luck.
--
Dorothea of Caer-Myrddin Dorothy J. Heydt
Vinhold/Mists/West Vallejo, California
PRO DEO ET REGE djheydt at gmail dot com
www.kithrup.com/~djheydt/
Nikolai Petrovich <ph...@mindspring.com> wrote:
>Greetings and Salutations
>
> I have a very nice cardboard astrolabe, but it is calculated for
>40 degree's north. which is about 550 miles south of where I am.
>
> Does anyone have a reference for how one goes about calculating /
>constructing one of a particular latitude?
I just googled "astrolabe calibration" and got many sites. I
>Greetings and Salutations
>
> I have a very nice cardboard astrolabe, but it is calculated for
>40 degree's north. which is about 550 miles south of where I am.
>
> Does anyone have a reference for how one goes about calculating /
>constructing one of a particular latitude?
glanced at a few and realized I don't have the math for this.
But then, I don't have the math for high-school algebra any more.
This is a very low bar.
I suggest you also google "astrolabe calibration" and search
through the sites, and _Deo volente,_ you'll find what you need.
Good luck.
--
Dorothea of Caer-Myrddin Dorothy J. Heydt
Vinhold/Mists/West Vallejo, California
PRO DEO ET REGE djheydt at gmail dot com
www.kithrup.com/~djheydt/
Nikolai Petrovich
Dec 1, 2018, 2:14:16 PM12/1/18
to
djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 15:53:20 GMT
typed in rec.org.sca the following:
Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
tschus
nikolai
typed in rec.org.sca the following:
>In article <h5950elp5oumcuivv...@4ax.com>,
>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>Greetings and Salutations
>>
>> I have a very nice cardboard astrolabe, but it is calculated for
>>40 degree's north. which is about 550 miles south of where I am.
>>
>> Does anyone have a reference for how one goes about calculating /
>>constructing one of a particular latitude?
>
>I just googled "astrolabe calibration" and got many sites. I
>glanced at a few and realized I don't have the math for this.
>But then, I don't have the math for high-school algebra any more.
>This is a very low bar.
>
>I suggest you also google "astrolabe calibration" and search
>through the sites, and _Deo volente,_ you'll find what you need.
>Good luck.
That is the next step.
>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>Greetings and Salutations
>>
>> I have a very nice cardboard astrolabe, but it is calculated for
>>40 degree's north. which is about 550 miles south of where I am.
>>
>> Does anyone have a reference for how one goes about calculating /
>>constructing one of a particular latitude?
>
>I just googled "astrolabe calibration" and got many sites. I
>glanced at a few and realized I don't have the math for this.
>But then, I don't have the math for high-school algebra any more.
>This is a very low bar.
>
>I suggest you also google "astrolabe calibration" and search
>through the sites, and _Deo volente,_ you'll find what you need.
>Good luck.
Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
tschus
nikolai
Dorothy J Heydt
Dec 1, 2018, 3:40:00 PM12/1/18
to
In article <1an50e93qfbtd2aog...@4ax.com>,
Middle English. :) And it'll be either (a) calculated for a
London or thereabouts latitude, or (b) doesn't mention the
latitude of the observer at all. But the Internet can be your
friend.
Nikolai Petrovich <ph...@mindspring.com> wrote:
>djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 15:53:20 GMT
>typed in rec.org.sca the following:
>>In article <h5950elp5oumcuivv...@4ax.com>,
>>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>>Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>>40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>>constructing one of a particular latitude?
>>
>>I just googled "astrolabe calibration" and got many sites. I
>>glanced at a few and realized I don't have the math for this.
>>But then, I don't have the math for high-school algebra any more.
>>This is a very low bar.
>>
>>I suggest you also google "astrolabe calibration" and search
>>through the sites, and _Deo volente,_ you'll find what you need.
>>Good luck.
>
> That is the next step.
>
> Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
Well, my copy of that is with my Collected Works of, and it's in
>djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 15:53:20 GMT
>typed in rec.org.sca the following:
>>In article <h5950elp5oumcuivv...@4ax.com>,
>>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>>Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>>40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>>constructing one of a particular latitude?
>>
>>I just googled "astrolabe calibration" and got many sites. I
>>glanced at a few and realized I don't have the math for this.
>>But then, I don't have the math for high-school algebra any more.
>>This is a very low bar.
>>
>>I suggest you also google "astrolabe calibration" and search
>>through the sites, and _Deo volente,_ you'll find what you need.
>>Good luck.
>
> That is the next step.
>
> Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
Middle English. :) And it'll be either (a) calculated for a
London or thereabouts latitude, or (b) doesn't mention the
latitude of the observer at all. But the Internet can be your
friend.
Nikolai Petrovich
Dec 1, 2018, 8:18:32 PM12/1/18
to
djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 20:27:14 GMT
And sometimes, it can be that friend who has all sorts of answers,
some of which are relevant to your question.
But' I've found a translation into modern English, and an article
about using Power Point to make the templates. Which has the
formulas. Weeeee!
tschus
Nicolai
some of which are relevant to your question.
But' I've found a translation into modern English, and an article
about using Power Point to make the templates. Which has the
formulas. Weeeee!
tschus
Nicolai
Dorothy J Heydt
Dec 1, 2018, 9:40:00 PM12/1/18
to
Basil D
Dec 2, 2018, 6:04:02 PM12/2/18
to
On 12/1/2018 11:14 AM, Nikolai Petrovich wrote:
> djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 15:53:20 GMT
> typed in rec.org.sca the following:
>> In article <h5950elp5oumcuivv...@4ax.com>,
>> Nikolai Petrovich <ph...@mindspring.com> wrote:
>>> Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>> 40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>> constructing one of a particular latitude?
>>
>> I just googled "astrolabe calibration" and got many sites. I
>> glanced at a few and realized I don't have the math for this.
>> But then, I don't have the math for high-school algebra any more.
>> This is a very low bar.
>>
>> I suggest you also google "astrolabe calibration" and search
>> through the sites, and _Deo volente,_ you'll find what you need.
>> Good luck.
>
> That is the next step.
>
> Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
>
> tschus
> nikolai
Or go the the source, Theon of Alexandria---oh wait, his work hasn't survived. You'll have
> djh...@kithrup.com (Dorothy J Heydt) on Sat, 1 Dec 2018 15:53:20 GMT
> typed in rec.org.sca the following:
>> In article <h5950elp5oumcuivv...@4ax.com>,
>> Nikolai Petrovich <ph...@mindspring.com> wrote:
>>> Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>> 40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>> constructing one of a particular latitude?
>>
>> I just googled "astrolabe calibration" and got many sites. I
>> glanced at a few and realized I don't have the math for this.
>> But then, I don't have the math for high-school algebra any more.
>> This is a very low bar.
>>
>> I suggest you also google "astrolabe calibration" and search
>> through the sites, and _Deo volente,_ you'll find what you need.
>> Good luck.
>
> That is the next step.
>
> Or find my copy of Geoffrey Chaucer's Treatise on the Astrolabe.
>
> tschus
> nikolai
to make do with John Philoponus. ;-)
~~Basil
Basil D
Dec 2, 2018, 6:15:31 PM12/2/18
to
On 12/1/2018 7:16 AM, Nikolai Petrovich wrote:
> Greetings and Salutations
>
> I have a very nice cardboard astrolabe, but it is calculated for
> 40 degree's north. which is about 550 miles south of where I am.
I can sympathize. I have a nice planisphere; turn the upper circle so the time matches the
> Greetings and Salutations
>
> I have a very nice cardboard astrolabe, but it is calculated for
> 40 degree's north. which is about 550 miles south of where I am.
date on the lower circle, and look at the clear part to see what should be in the sky.
It's set for 30 degrees north, which is about 17.5 degrees from me.
30 degrees north, and it was made in the USA--sheesh, how un-useful can you get? :-/
Nikolai Petrovich
Dec 5, 2018, 10:21:03 AM12/5/18
to
Nikolai Petrovich <ph...@mindspring.com> on Sat, 01 Dec 2018 07:16:54
-0800 typed in rec.org.sca the following:
notes when I'm done, but I'm not sure how to show the required
drawings in ASCII art. B-{)>
-0800 typed in rec.org.sca the following:
>Greetings and Salutations
>
> I have a very nice cardboard astrolabe, but it is calculated for
>40 degree's north. which is about 550 miles south of where I am.
>
> Does anyone have a reference for how one goes about calculating /
>constructing one of a particular latitude?
>
>in service
>
>Nikolai Petrovich
I am having "fun" crunching all this. I shall be writing up my
>
> I have a very nice cardboard astrolabe, but it is calculated for
>40 degree's north. which is about 550 miles south of where I am.
>
> Does anyone have a reference for how one goes about calculating /
>constructing one of a particular latitude?
>
>in service
>
>Nikolai Petrovich
notes when I'm done, but I'm not sure how to show the required
drawings in ASCII art. B-{)>
Dorothy J Heydt
Dec 5, 2018, 11:05:35 AM12/5/18
to
In article <o5rf0e5l3amunhg30...@4ax.com>,
could post a link.
Nikolai Petrovich <ph...@mindspring.com> wrote:
>Nikolai Petrovich <ph...@mindspring.com> on Sat, 01 Dec 2018 07:16:54
>-0800 typed in rec.org.sca the following:
>>Greetings and Salutations
>>
>> I have a very nice cardboard astrolabe, but it is calculated for
>>40 degree's north. which is about 550 miles south of where I am.
>>
>> Does anyone have a reference for how one goes about calculating /
>>constructing one of a particular latitude?
>>
>>in service
>>
>>Nikolai Petrovich
>
> I am having "fun" crunching all this. I shall be writing up my
>notes when I'm done, but I'm not sure how to show the required
>drawings in ASCII art. B-{)>
If you have an account on any site that does have graphics, you
>Nikolai Petrovich <ph...@mindspring.com> on Sat, 01 Dec 2018 07:16:54
>-0800 typed in rec.org.sca the following:
>>Greetings and Salutations
>>
>> I have a very nice cardboard astrolabe, but it is calculated for
>>40 degree's north. which is about 550 miles south of where I am.
>>
>> Does anyone have a reference for how one goes about calculating /
>>constructing one of a particular latitude?
>>
>>in service
>>
>>Nikolai Petrovich
>
> I am having "fun" crunching all this. I shall be writing up my
>notes when I'm done, but I'm not sure how to show the required
>drawings in ASCII art. B-{)>
could post a link.
Nikolai Petrovich
Dec 5, 2018, 11:02:27 PM12/5/18
to
djh...@kithrup.com (Dorothy J Heydt) on Wed, 5 Dec 2018 15:53:00 GMT
I'm able to construct the almanucantor circles with compass &
rule, I 'm just having troubles getting the spreadsheet to come up
with numbers which make sense.
typed in rec.org.sca the following:
>In article <o5rf0e5l3amunhg30...@4ax.com>,
>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>Nikolai Petrovich <ph...@mindspring.com> on Sat, 01 Dec 2018 07:16:54
>>-0800 typed in rec.org.sca the following:
>>>Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>>40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>>constructing one of a particular latitude?
>>>
>>>in service
>>>
>>>Nikolai Petrovich
>>
>> I am having "fun" crunching all this. I shall be writing up my
>>notes when I'm done, but I'm not sure how to show the required
>>drawings in ASCII art. B-{)>
>
>If you have an account on any site that does have graphics, you
>could post a link.
I'll have to work on the graphics.
>In article <o5rf0e5l3amunhg30...@4ax.com>,
>Nikolai Petrovich <ph...@mindspring.com> wrote:
>>Nikolai Petrovich <ph...@mindspring.com> on Sat, 01 Dec 2018 07:16:54
>>-0800 typed in rec.org.sca the following:
>>>Greetings and Salutations
>>>
>>> I have a very nice cardboard astrolabe, but it is calculated for
>>>40 degree's north. which is about 550 miles south of where I am.
>>>
>>> Does anyone have a reference for how one goes about calculating /
>>>constructing one of a particular latitude?
>>>
>>>in service
>>>
>>>Nikolai Petrovich
>>
>> I am having "fun" crunching all this. I shall be writing up my
>>notes when I'm done, but I'm not sure how to show the required
>>drawings in ASCII art. B-{)>
>
>If you have an account on any site that does have graphics, you
>could post a link.
I'm able to construct the almanucantor circles with compass &
rule, I 'm just having troubles getting the spreadsheet to come up
with numbers which make sense.
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