Messier Marathon for Windows

Name: Messier Marathon
Author: Otterstedt

By Otterstedt
Free
User Rating

Download now

Used Messier Marathon for Windows?

Editors’ Review

Download.com staffFebruary 20, 2026

This program computes a precise observation plan for a Messier Marathon. It calculates celestial object positions in RA/Dec and Alt/Az for your location and chosen time.

Top Recommended Alternative

Almond

Paid

4.9

Pros
- Calculates RA/Dec and Alt/Az positions
- Generates a complete observation plan
- Useful for Messier Marathon preparation
- Supports specific observation times
Cons
- Limited to Messier Marathon planning
- No mention of additional celestial objects

Messier Marathon for Windows

By Otterstedt
Free
User Rating

Download now

Used Messier Marathon for Windows?

Explore More

Almond
Paid
5-Minute Veterinary Consult: Canine and Feline
Paid
StarryNight Sky
Free
SearchGUI
Free
OptiVec for LLVM CLang
Free
Taber's Cyclopedic Medical Dictionary
Paid
Kyron Force Calculus
Free
TSP Solver and Generator
Free
Grapheme
Trial version
Dorland's Pocket Medical Dictionary
Paid
EarMan
Paid
InDelFixer
Free

Messier Marathon for Windows

Editors’ Review

Top Recommended Alternative

Almond

Pros

Cons

Messier Marathon for Windows

Explore More

Almond

5-Minute Veterinary Consult: Canine and Feline

StarryNight Sky

SearchGUI

OptiVec for LLVM CLang

Taber's Cyclopedic Medical Dictionary

Kyron Force Calculus

TSP Solver and Generator

Grapheme

Dorland's Pocket Medical Dictionary

EarMan

InDelFixer

Full Specifications

Program available in other languages

Last Updated

PatchCleaner

AltServer

Need for Speed Underground 2 v1.2 patch

iVMS-4500 for Windows 10

FIFA 15 Ultimate Team

Aspire

Office Professional Plus 2013

TC Games

Jaspersoft Studio (64-bit)

DriverFix

Microsoft Publisher 2007

Shadow Defender

Developer’s Description