Integer-Ctrl · xLPMG · Sep 12, 2025 · Sep 5, 2025 · Sep 5, 2025 · Sep 5, 2025
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -648,7 +648,7 @@ IF(APPLE)
 	       # Qt6: by default - universal binary + minimal operating system is macOS Big Sur
 	       SET(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "Minimum macOS deployment version" FORCE)
 	  ELSE()
-               SET(CMAKE_OSX_DEPLOYMENT_TARGET "10.13" CACHE STRING "Minimum macOS deployment version" FORCE)
+               SET(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum macOS deployment version" FORCE)
 	  ENDIF()
      ENDIF()
 ENDIF()

diff --git a/guide/app_accuracy.tex b/guide/app_accuracy.tex
@@ -40,21 +40,27 @@ \chapter{Accuracy}
 Therefore, when using Stellarium for scientific work like eclipse
 simulation to illustrate records found in Cuneiform tablets, always
 also use some other reference to compare, and of course specify the
-program version you used for your work. (Use at least version 0.21.2
-of Stellarium!)  You can of course contact us if you bring a solid background
+program version you used for your work. (Use at least version 25.1
+of Stellarium, which introduced the much improved star catalog!)  
+You can of course contact us if you bring a solid background
 in fundamental astronomy and are willing and able to help improving
 Stellarium's accuracy even further!
 
 \section{Date Range}
 \label{sec:Accuracy:DateRange}
 
-The calendar dates are limited to a very wide interval of years, $-100,000\ldots100,000$. 
-This is mostly useful to visualize the effect of stellar proper motions or the wobbling 
-motion of Earth's axis known as precession. 
-If you observe the other planets, this is way beyond what current models are able to show! 
+The calendar dates are limited to a very wide interval of years, 
+\newFeature{25.3}$-200,000\ldots+200,000$\footnote{Before version 25.3, the date range was $-100,000\ldots+100,000$.}. 
+If you want to observe the other planets, this is way beyond what current ephemeris models are able to show, 
+as explained in section~\ref{sec:Accuracy:Planets}! 
 Observe for example the Moon: you will find that it seems to run 
 on a polar orbit around +78.000 and even retrograde on a highly elongated orbit a few millennia after that. 
-This is obvious nonsense, caused by extrapolating mathematical models in inappropriate ways. 
+A quick check in -180.000 places it in a highly elongated orbit beyond Jupiter 
+that takes it through the solar system at up to more than 10\% the speed of light.
+This is obvious nonsense, caused by excessively extrapolating mathematical models in inappropriate ways. 
+
+The extended date range is only useful to visualize the effect of stellar proper motions and the wobbling 
+motion of Earth's axis known as precession. All other components of Stellarium have not made for this extended date range.
 
 \section{Stellar Astrometry}
 \label{sec:Accuracy:Astrometry}
@@ -72,7 +78,12 @@ \section{Stellar Astrometry}
 The study of \citet{deLorenzis:2018} emphasized sky position errors with bright high proper motion stars like Arcturus, 
 Dubhe, Sirius, Toliman and Vega which deviate noticeably from their correct locations even at around 2500BC with Stellarium 
 0.17.0 released on 21 Dec 2017. The star catalogs and astrometry propagation algorithms have been significantly improved since Stellarium 25.1, which has 
-solved the problem outlined in the study.
+solved the problem outlined in the study. 
+
+% From Github PR#4500:
+A quick estimate: For Barnard's Star which is nearby and moving fast, the sky position uncertainty on the sky 
+would be $\approx0.05^\circ$ (200000~mas) at year 200,000 using Gaia DR3 astrometries and associated uncertainies. 
+The 2015 DR3 sky position uncertainty is $\approx 0.04$~mas.
 
 \section{Planetary Positions}
 \label{sec:Accuracy:Planets}

diff --git a/guide/ch_skycultures.tex b/guide/ch_skycultures.tex
@@ -367,10 +367,11 @@ \subsection{Constellation boundaries}
 In the late 18th century, when variable stars started to be catalogued by a code that included the star's constellation, 
 a necessity arose to define which sky region belonged to which constellation. 
 Atlases of this period showed curved boundaries between the constellations. 
-Such boundaries are hard to describe by coordinates, though. The Uranographia Argentina proposed a different approach.
-The boundaries were described by straight segments along great circles of equal right ascension and small circles of equal declination. 
+Such boundaries are hard to describe by coordinates, though. The Uranographia Argentina \citep{1879RNAO....1....1G} proposed a different approach.
+The boundaries were described by mostly straight segments along great circles of equal right ascension and small circles of equal declination. 
 The atlas used coordinates for epoch B1875.0. 
-In 1930 the International Astronomical Union (IAU) ratified  this partition of the sky into the 88 constellations used by scientists and amateurs ever since.
+Based on this work, in 1930 the International Astronomical Union (IAU) ratified a partition of the sky into the 88 constellations 
+(now only using lines along constant right ascension/declination of B1875.0) used by scientists and amateurs ever since.
 When looking at these boundaries in J2000.0 coordinates, we can see they are no longer parallel to the J2000.0 coordinate grid, the deviation caused by precession. 
 
 Partitions of the full sky into contiguous regions defined by edges between coordinate vertices defined in  
@@ -468,7 +469,7 @@ \subsection{Constellations}
                     each pair being right ascension $\alpha$ (decimal hours) and declination $\delta$ (decimal degrees) in equinox J2000.0. 
                     See below how Stellarium can help you write these arrays.
 
-                    \indexterm[constellations!single-star]{Single-star constellations}\newFeature{25.1}  or particular highlights can be described with just one star repeated in a two-element segment.
+                    \indexterm[constellation!single-star]{Single-star constellations}\newFeature{25.1}  or particular highlights can be described with just one star repeated in a two-element segment.
                     The respective star will be encircled with a radius of 
 \item[\jtag{single\_star\_radius}] (float, default 0.5)\newFeature{25.1}.
 \item[\jtag{hull\_extension}] (optional)\newFeature{25.2} A vector of star IDs (HIP number as integer, Gaia DR3 long integer number as string, 
@@ -525,7 +526,7 @@ \subsection{Constellations}
 \end{description}
 
 
-\paragraph{Drawing dark constellations}\index{constellations!dark}\label{SC:constellations:dark:markers}
+\paragraph{Drawing dark constellations}\index{constellation!dark}\label{SC:constellations:dark:markers}
 The outlines \newFeature{25.2}of figures like the ``Emu in the Sky'' cannot be described with connect-the-dot star patterns, 
 as they are formed from the absence of luminous patterns. We need to describe them using coordinate lists. 
 To make the process less tedious, we can extend setting Markers (see \ref{sec:tour:markers}). 
@@ -764,6 +765,29 @@ \subsection{Culture Relevant Coordinate Systems: Zodiac and Lunar Systems}
 The number of entries must be equal to (or larger than) the first element of \jtag{partitions}. Excessive entries are ignored. 
 \end{description}
 
+\noindent In the Arabian peninsula, a similar system of 28 \indexterm{lunar stations} is in use until today, 
+but the actual asterism appears to be more important than the regularity of the ecliptic partition. 
+The first station is centered around \emph{al-Thurayya} (the Pleiades star cluster). In some skycultures the ``band'' of 
+stations around the ecliptic is shown irregular, with boxes trying to frame the associated asterisms:
+
+\begin{jsonfile}[\scriptsize]
+"lunar_system":  { 
+  "name": {"english": "Lunar Stations", "native": "...", "pronounce": "Manazil alQamar", "IPA": "manazilulqamar"},
+  "partitions": [ 28, 3, 2],
+  "extent": [10.0, -10.0, 10.0, -10.0, 10.0, -15.0, 10.0, -15.0, 15.0, ... ],
+    "context": "arabian lunar stations",
+    "link": { "star": 17702, "offset": 6.428571428571429, "comment": "center of first station is Lucida Pleiadum"},
+    "names": [{ "symbol":  "1", "english": "Al-Thurayya", "native": "...", ... },
+              { "symbol":  "2", "english": "Al-Dabaran",  "native": "...", ... },
+                ...
+\end{jsonfile}  
+where
+\begin{description}
+\item[\jtag{partitions}] regular division of the centerline. 28 stations which are further divided into 3 equal parts that are further halved.
+\item[\jtag{extent}] As array of latitude coordinates\newFeature{25.3}, they provide alternating north and south latitudes for all stations. 
+                     The number of entries must be twice the number of partitions.
+\end{description}
+
 \noindent In China, the 28 \indexterm{lunar mansions} are defined in a different way. 28 \indexterm{defining stars} mark the begin (western edge) of each mansion,
 and great circles are drawn from the celestial poles through these stars. In Stellarium, the defining stars are marked with a little circle. 
 The mansions are quite different in width. 

diff --git a/guide/guide.bib b/guide/guide.bib
@@ -2246,3 +2246,14 @@ @book{Sedgewick:AlgorithmsInC
     OPTisbn = {},
     series = {Computer Science},
 }
+
+@book{1879RNAO....1....1G,
+    adsurl = {https://ui.adsabs.harvard.edu/abs/1879RNAO....1....1G},
+    author = {Gould, Benjamin Apthorp},
+    year = {1879},
+    title = {{Uranometría Argentina. Brillantez y Posicion de las estrellas fijas, hasta la s{\'e}ptima magnitud (con atlas) -- Brightness and Position of every fixed star, down to the seventh magnitude (with an atlas)}},
+    series = {Resultados del Observatorio Nacional Argentino en C{\'o}rdoba}, 
+    volume = {1}, 
+    address = {Buenos Aires},
+    publisher = {Imprenta de Pablo E. Coni}
+}
diff --git a/plugins/SolarSystemEditor/resources/comet_discovery.fab b/plugins/SolarSystemEditor/resources/comet_discovery.fab
@@ -2584,6 +2584,12 @@ C/2015 TQ209|C/2015 TQ209|           |      |2015-10-10|
    C/2025 L2|C/2025    L2|           |      |2025-06-02|J.M. Mari, F. Signoret
    C/2025 M1|C/2025    M1|           |      |2025-06-21|
    C/2025 M2|C/2025    M2|           |      |2025-06-22|
+   C/2025 M3|C/2025    M3|           |      |2025-06-30|
+        510P|P/2025    M4|           |      |2025-07-24|T. Oribe
 # Interstellar object
   3I/2025 N1|A/2025    N1|           |      |2025-07-01|
    C/2025 N2|C/2025    N2|           |      |2025-07-02|
+        508P|P/2025    O1|           |      |2025-07-29|A. Maury, F. Signoret 
+   C/2025 O2|C/2025    O2|           |      |2025-07-25|
+   A/2025 P1|A/2025    P1|           |      |2025-08-01|
+   C/2025 Q1|C/2025    Q1|           |      |2025-08-27|
diff --git a/plugins/SolarSystemEditor/src/SolarSystemEditor.cpp b/plugins/SolarSystemEditor/src/SolarSystemEditor.cpp
@@ -988,7 +988,7 @@ SsoElements SolarSystemEditor::readMpcOneLineMinorPlanetElements(const QString &
 			qCritical() << "Error in MPC large number decoding of " << column;
 			return result;
 		}
-		minorPlanetNumber=((q4*62 + q3)*62 + q2)*62 + q1;
+		minorPlanetNumber=((q4*62 + q3)*62 + q2)*62 + q1 + 620000;
 	}
 	else
 	{