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Should I remove Alcyone Astronomical Tables 2?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
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How common is it?
Reach 0.0002%


2.0.1 33.33%
2.0.0 66.67%

Alcyone Astronomical Tables 2

Remove Alcyone Astronomical Tables 2
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Alcyone Astronomical Tables 2 is a program developed by Alcyone Software. The most used version is 2.0.0, with over 98% of all installations currently using this version. The main program executable is aat20.exe. The software installer includes 2 files and is usually about 9.02 MB (9,461,194 bytes). In comparison to the total number of users, most PCs are running the OS Windows XP as well as Windows 7 (SP1). While about 67% of users of Alcyone Astronomical Tables 2 come from the United States, it is also popular in Norway and Canada.

Program detailsProgram details

Help link: www.alcyone-ephemeris.info/aat/index.html
Installation folder: C:\Program Files\alcyone\Alcyone Astronomical Tables 2
Uninstaller: "C:\ProgramData\{20C107F8-DFD7-4191-8330-A908330D2318}\aat20.exe" REMOVE=TRUE MODIFY=FALSE
Estimated size: 9.02 MB

Program filesFiles installed by Alcyone Astronomical Tables 2

Program executable:aat20.exe
Additional files:
  • aat.exe - Alcyone Astronomical Tables
  • aex.exe

How do I remove Alcyone Astronomical Tables 2?

Quickly and completely remove Alcyone Astronomical Tables 2 from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Or, you can uninstall Alcyone Astronomical Tables 2 from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Alcyone Astronomical Tables 2, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Alcyone Astronomical Tables 2.

Win XP 33%
Win 10 33%
Uninstall it 4%
Keep it 96%
United States

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 33.33%
Windows 7 33.33%
Windows 10 33.33%
Which OS releases does it run on?
Windows 10 Pro 33.33%
Windows 7 Home Premium 33.33%
Microsoft Windows XP 33.33%

Distribution by countryGeography

66.67% of installs come from the United States
Which countries install it?
  United States 66.67%
  Norway 16.67%
  Canada 16.67%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 50.00%
Alienware 50.00%


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