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Hommage to a little 6.5mag star atlas (Tabulae Caelestes)

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#1 triviniu

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Posted 20 September 2024 - 11:50 AM

So, I am finally in a position to make this public:

 

This project has started as my "lockdown" project for 2020 and 2021, and since then has been lingering on the back burner, until I could finally finish it. Besides from having the opportunity, the main motivation was what I perceive as a change of typographical convention in contemporary stellar atlasses, something that, at least in my opinion, has led to an increasing visual blandness in those works over the 20th century (which, I acknowledge, may make it much easier to actually work with those modern atlasses).

The design draws strong typographical inspiration from the "Tabulae Caelestes" by Schurig/G\"otz (first edition 1886, last edition 1973), which already drew such inspiration from earlier works, such as the "Vorstellung der Gestirne" by J.~E.~Bode (1782, see
https://www.lsw.uni-...e/index2_e.html ) and ultimately the "Atlas Coelestis" by Flamsteed (1729, see
https://www.rct.uk/c...atlas-coelestis ).  The University of Latvia has very nice scans of the 1909 edition of the
Tabulae on their pages, although one panel seems missing: https://www.lu.lv/en...debess-atlants/
Later editions also included a lunar map, which I, however, have no intention to add.

 

I deliver two versions, one in the original and traditional order and orientiation, suitable for the Northern hemisphere. Since I am based in
Chile, however, I found it useful to add some modifications and re-ordering to create a Southern hemisphere version: Firstly, the polar plates are re-ordered such that the Southern pole comes first; secondly, the equatorial sequence of plates has been rotated by 180
degrees, as seen by an observer south of the equator; and thirdly the origin for the equatorial sequence has been changed from the
traditional Northern spring equinoctial point in Pisces to the Southern one, in Virgo. To my knowledge, this is the only celestial
atlas that makes such adaptations for the convenience of Southern hemisphere observers.

 

I have been using the maps of the original "Tabulae Caelestes" for a
number of purposes:

- Naked eye orientation in parts of the sky without prominent
  constellations.
- Getting a general idea where objects of interest are in the sky.
- Rough observation planning (what is accessible when in the night).
- Orientation in the night/on sky for wide-field astrophotography.

 

You can find the project on overleaf here: https://www.overleaf...nbqjfhkk#63ad64

 

There are the final charts, but as well all the LaTeX source code and a readme file (though it won't compile on overleaf). Here is an album with previews:

 

TabulaI
Album: Charts
12 images
0 comments

 
and a single one:
TabulaIII S

 

 


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#2 Astrojensen

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Posted 20 September 2024 - 12:00 PM

I like that! Very old school, in a positive way. Schurig-Görtz "Tabulae Caelestes" was one of my first atlases, but was quickly replaced with Norton's. I can't remember which edition it is, but I'll dig it out when I get home and see. It's not one of the late ones, from what I remember. 

 

 

Clear skies!

Thomas, Denmark



#3 klangwolke

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Posted 20 September 2024 - 12:52 PM

This is so cool! I’ve used LaTeX for all my work and absolutely love what you did. What a great idea! I've been looking over these, what a great project. Could you talk a little about how you did this? All that data!


Edited by klangwolke, 20 September 2024 - 04:04 PM.


#4 yuzameh

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Posted 20 September 2024 - 08:31 PM

So, the constellations and their borders were added to the later editions of the publication you note?  Or did you just use the electronic file that's available from places like the CDS Strasbourg?  I think 1930 was their formalisation, even though the IAU had existed about a decade or so by then.



#5 triviniu

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Posted 21 September 2024 - 06:53 AM

The borders were in the 1973 edition, and some loose leaf edition that was added to some books from the sixties. I have both editions. I am not sure which edition was the first that had the borders. But these two latest are 1950.0, though, and I used 2000.0. Also, these later ones did no longer have the close-up inserts in the edges of the polar charts. On overleaf there's a readme file listing the sources, and the border definition on CDS is one of them.


Edited by triviniu, 21 September 2024 - 08:21 AM.


#6 Doraemon

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Posted 29 September 2024 - 11:20 AM

Hi Triviniu, I am super happy with your project. I may have 3 things in common with you:

  • I collect Tabulae Caelestes and have the editions from 1886, 1909, 1942, and 1960.  The oldest ones (1886 and 1909) contains hand written notes from the people who used them. 
  • I like Tabulae Caelestes and also use them for general orientation for observations with my old refractors. 
  • I am from Chile, and I see you are located there. 

Please, I want to make you a request: Could you make a printed version of your work using a self-publish house like Lulu.com?  I understand you don't need to fund this self-publication, it will be no cost for you, and I know other people like Agnes Clarke (CN user name Agnes) had self-published several books including her own double star atlas which is very good (please see this example).  I would love to have your work printed in quality large format instead of PDF.  It may not sell a lot, but I am sure there will be more people interested.  It could be a German/English edition. 

Hope you may consider this idea. 


Edited by Doraemon, 29 September 2024 - 11:21 AM.

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