[INDOLOGY] Inquiry on Equatorium and Planetary Diagrams in Sanskrit Sources

[AJ Misra]

That's what I suggested to him as well. I am very glad to hear you suggest
something similar.

Many thanks,
AJ

On Mon, 31 Mar 2025 at 14:26, Lubomír Ondračka <ondracka at ff.cuni.cz> wrote:

> The best place to look for the answer to the first question is Sarma's
> incredible catalogue of Indian astronomical instruments (available here:
> https://srsarma.in/catalogue.php).
>
> It does not have equatoria as a separate category, it just lists
> different types of astrolabes, but it is definitely worth a closer look.
>
> L.
>
> On 31/03/2025 12:54, AJ Misra via INDOLOGY wrote:
> > Dear colleagues:
> >
> > I am asking on behalf of a colleague who is not  a member of Indology
> > listserv. I have excerpted his email below.
> >
> > ──
> >
> >     I’m writing to kindly ask whether you’ve come across, in Sanskrit—or
> >     any other South or East Asian—astronomical or primary sources, any
> >     description or reference to an astronomical instrument known in
> >     modern literature as an /equatorium/.
> >
> >     I’m also wondering if you’ve seen any diagrams in Sanskrit texts
> >     that depict planetary models enclosed by a graduated ecliptic
> >     circle. For reference, I’ve attached two examples of such diagrams
> >     from Arabic and Persian sources.
> >     image.png
> >     image.png
> >
> >   ──
> > I welcome any suggestions/comments on this.
> >
> > With kind regards,
> > AJ
> > --
> > <https://www.mpiwg-berlin.mpg.de/research/departments/max-planck-
> > research-group-astra>
> > *Anuj MISRA*, Ph.D (he/him)
> > /Max Planck Research Group Leader <https://www.mpiwg-berlin.mpg.de/
> > people/amisra>/
> > RG: Astral Sciences in Trans-Regional Asia (ASTRA <https://www.mpiwg-
> > berlin.mpg.de/research/departments/max-planck-research-group-astra>)
> > Max Planck Institute for the History of Science (MPIWG)
> > Boltzmannstraße 22, 14195 Berlin, GERMANY
> >
> > Room 102, Harnackstraße 5
> > +49 30 22667 313
> > amisra at mpiwg-berlin.mpg.de <mailto:amisra at mpiwg-berlin.mpg.de>
> >
> > ─ /in conjunction with/─
> >
> > /Professor of the History of Science and the History of Knowledge
> > <https://www.geschkult.fu-berlin.de/en/e/wissensgeschichte/
> > mitarbeiter_innen/Anuj-Misra/index.html>/
> > Institute for the History of Knowledge in the Ancient World
> > Department of History and Cultural Studies, Free University of Berlin
> > Arnimallee 10, 14195 Berlin, GERMANY
> >
> > Room 205
> > +49 03 838 59046
> > a.misra at fu-berlin.de <mailto:a.misra at fu-berlin.de>
> >
> > ─
> > /Affiliated External Researcher <https://ccrs.ku.dk/staff/?pure=en/
> > persons/663586>/ (2024─25)
> > Department of Cross-Cultural and Regional Studies (CCRS)
> > University of Copenhagen, Copenhagen, DENMARK
> > anuj.misra at hum.ku.dk <mailto:anuj.misra at hum.ku.dk>
> >
> > ─
> > /Adjunct Senior Fellow <https://profiles.canterbury.ac.nz/AJ-Misra>/
> > (since September 2021)
> > School of Mathematics and Statistics | Te Kura Pāngarau
> > University of Canterbury | University of Canterbury
> > Christchurch, NEW ZEALAND
> > aj.misra at canterbury.ac.nz <mailto:aj.misra at canterbury.ac.nz>
> >
> >
> > _______________________________________________
> > INDOLOGY mailing list
> > INDOLOGY at list.indology.info
> > https://list.indology.info/mailman/listinfo/indology
>
>

-- 
<https://www.mpiwg-berlin.mpg.de/research/departments/max-planck-research-group-astra>
*Anuj MISRA*, Ph.D (he/him)
*Max Planck Research Group Leader
<https://www.mpiwg-berlin.mpg.de/people/amisra>*
RG: Astral Sciences in Trans-Regional Asia (ASTRA
<https://www.mpiwg-berlin.mpg.de/research/departments/max-planck-research-group-astra>
)
Max Planck Institute for the History of Science (MPIWG)
Boltzmannstraße 22, 14195 Berlin, GERMANY

Room 102, Harnackstraße 5
+49 30 22667 313
amisra at mpiwg-berlin.mpg.de

─ *in conjunction with*─

*Professor of the History of Science and the History of Knowledge
<https://www.geschkult.fu-berlin.de/en/e/wissensgeschichte/mitarbeiter_innen/Anuj-Misra/index.html>*
Institute for the History of Knowledge in the Ancient World
Department of History and Cultural Studies, Freie Universität Berlin
Arnimallee 10, 14195 Berlin, GERMANY

Room 205
+49 03 838 59046
a.misra at fu-berlin.de

─
*Affiliated External Researcher
<https://ccrs.ku.dk/staff/?pure=en/persons/663586>* (2024─25)
Department of Cross-Cultural and Regional Studies (CCRS)
University of Copenhagen, Copenhagen, DENMARK
anuj.misra at hum.ku.dk

─
*Adjunct Senior Fellow <https://profiles.canterbury.ac.nz/AJ-Misra>* (since
September 2021)
School of Mathematics and Statistics | Te Kura Pāngarau
University of Canterbury | Te Whare Wānanga o Waitaha
Christchurch, NEW ZEALAND
aj.misra at canterbury.ac.nz
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