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    2,070,313 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.647,083 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.270,425 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.

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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Caelum - ArdaCraft Edition

    Mod

    More natural sun, moon, and stars in the night sky.

    Download

    Files come from Modrinth servers.

    caelum-1.1.1+ArdaCraft.jar

    Released 5 Apr 2025 · 922.0 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Iris ShadersAMinecraft 1.20.1 · Fabric (release 1.7.6)
    • NuitAMinecraft 1.20.1 · Fabric (release 0.7.3)
    • Fabric APINeeded by NuitAMinecraft 1.20.1 · Fabric (release 0.92.12)
    D45/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client only
    Loaders
    Fabric
    Minecraft versions
    Up to 1.20.1
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.1
    • ModpacksIn 4
    • ReleasesLatest Apr 2025
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Stable releases

    Points lost

    • No release in 19 months−20 points
    • No source code link−7 points
    • Releases in only 2 of the last 24 months−4 points
    • No public issue tracker−3 points
    • Under 5 million downloads−1 point
    All 11 criteria
    • Maintenance

      16 points lost11 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.19 months ago (5 Apr 2025) 0 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.20.1 on Fabric. 34% of the 721 popular Fabric mods updated in the last 6 months also have files for 1.20.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 2 of the last 24 months 2 / 6
    • Stability

      Full points15 / 15
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.None of the 3 modpacks with two or more versions removed it 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.1 known conflict, but it does not count in the grade See the known conflict5 / 5
    • Transparency

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3
    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.451,071 3 / 4
    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.9 years, 7 releases 0 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total45 / 100

    28.9 of the 64 points that apply = 45 out of 100. The points above are rounded to whole numbers.

    Images

    • Moon and Stars
    • Sunset
    • Moon and Sun

    About

    Caelum ArdaCraft Edition changes the appearance and positions of Minecraft’s stars and other celestial bodies, adapting the original mod for ArdaCraft. It renders stars with a texture and more realistic colors, and recalculates their positions using stellar proper motion so the night sky approximates how it would appear in Arda’s time period. The Sun’s position is approximated using the player’s latitude, Earth’s axial tilt at solstices and equinoxes, and a model of axial precession. Additional skybox layers allow clouds and other overlays, while Moria on ArdaCraft has conditional skybox and fog rendering. The changing sky can show the Sun and Moon together on a winter day at high latitude, the Moon among the stars at night, and stars emerging as the Sun sets. Some shaders can display the custom Sun and Moon positions through Iris-supported methods, though support varies by shader.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 3 areas: World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather., Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creators
    Ajcool_, Fornad and JayemCeekay
    License
    MIT License
    Downloads
    451K
    Created
    14 Nov 2023
    Official page
    Modrinth
    Links
    Discord

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · The latest file checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      2 latest files: the newest file for each Minecraft version and loader. The answer above is about the one for a recent version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · Its one file read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of its one file, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files and images and found none.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 5 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      7 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      5 images read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      54 code files read

    Compatibility

    See all 7 files
    Fabric
    1.191.2126.1

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it in your game only. Servers do not need it, so you can join any server.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.
    Iris ShadersANuitA
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Known conflicts

    These projects do not work together with Caelum - ArdaCraft Edition: their authors or Caelum - ArdaCraft Edition's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Caelum - ArdaCraft Edition, so you only need one.

    ProjectTypeDownloadsDeclared by
    Caelum RefabricatedMod5.1K downloadsdeclared by Caelum - ArdaCraft Edition

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Caelum - ArdaCraft Edition in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    ArdaCraft1.1M downloadslast version with it 25 Aug 2026Besacraft 17221.4K downloadslast version with it 2 Mar 2024Herbstlande946 downloadslast version with it 16 Jul 2026Ave Maris Stella Medieval881 downloadslast version with it 16 Nov 2025

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.20.1·Fabric1.1.1-ArdaCraft1.1.1-ArdaCraft · caelum-1.1.1+ArdaCraft.jarSends: None foundRequires:Iris Shaders, NuitPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Fabric1.0.5-ArdaCraft1.0.5-ArdaCraft · caelum-1.0.5+ArdaCraft.jarSends: None foundRequires:Iris Shaders, NuitPassedOur checks found nothing harmful in this file. Its code was read too.

    7 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Fabric1.1.1-ArdaCraft1.1.1-ArdaCraft · caelum-1.1.1+ArdaCraft.jar (main file)·5 Apr 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 922.0 KB
    1.20.1·Fabric1.1.0-ArdaCraft1.1.0-ArdaCraft · caelum-1.1.0+ArdaCraft.jar (main file)·28 Dec 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 922.0 KB
    1.19.2The latest file for its Minecraft version and loader·Fabric1.0.5-ArdaCraft1.0.5-ArdaCraft · caelum-1.0.5+ArdaCraft.jar (main file)·2 Mar 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 665.3 KB
    1.19.2·Fabric1.0.4-ArdaCraft1.0.4-ArdaCraft · caelum-1.0.4+ArdaCraft.jar (main file)·7 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 665.0 KB
    1.19.2·Fabric1.0.3-ArdaCraft1.0.3-ArdaCraft · caelum-1.0.3+ArdaCraft.jar (main file)·6 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 665.0 KB
    1.19.2·Fabric1.0.2-ArdaCraft1.0.2-ArdaCraft · caelum-1.0.2+ArdaCraft.jar (main file)·5 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 665.1 KB
    1.19.2·Fabric1.0.1-ArdaCraft1.0.1-ArdaCraft · caelum-1.0.1+ArdaCraft.jar (main file)·14 Nov 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 665.5 KB