Solar Fire is a state-of-the-art astrology software package for Windows on a PC and for Mac desktop and laptop computers.

Solar Fire is intuitive, easy-to-use yet powerful calculation software, designed for both novice and expert astrologers alike, and it provides easy access to high-quality chart production using either a Windows-based PC or a Mac desktop computer.

Solar Fire uses the latest Swiss Ephemeris and ACS Atlas files, plus you can exchange chart files between Solar Fire and Nova Chartwheels.

Solar Fire includes natal, progressed, directed, solar, lunar and any planet or asteroid return, composite, harmonic, lunar phase, rise/set and prenatal charts, with a flexible selection of aspect sets, chart point sets, and database files for chart and place detail storage. It also includes flexible and powerful dynamic transit and progression reporting over any specified time period, plus novel options for sorting and viewing output graphically for maximized readability.

It is possible to view interpretations of any natal chart or of any dynamic report event interactively on the screen, by simply clicking on items in the chart or report. Synastry interpretations are also included for any pair of charts. Both interpretations of individual charts plus general definitions of a large variety of astrological categories are included. It is possible to edit or append your own text to that supplied with the program.

Chart viewing includes an aspectarian inside the Chart Wheel (or as a separate tabulation, if preferred), plus Dual Wheels, BiWheels, TriWheels, QuadriWheels or even QuinquiWheels for displaying combinations of two or more charts, and synastry grids. Chart points can be viewed in color, as can the zodiac sign glyphs.

Reports include sorted listings of standard chart analysis details, lunar phasing, modalities and elements, plus additional listings of aspects, rulerships and dispositorships, both traditional and esoteric, and midpoints listings, midpoint trees and axes, fixed star and Arabic Parts positions and aspects.

There are 50 standard chart points to choose from, including planets, moons, chart angles, transneptunians, asteroids and other minor bodies. There are also additional sets of asteroids, fixed stars, Arabic parts, and midpoints, for example.

Solar Fire has aspect sets selectable from the 1st to the 12th harmonic, with glyphs and colors for each, plus the ability to accept user defined aspects of any type.

Solar Fire has built-in maps functionality, previously the standalone Solar Maps, that is second to none, utilizing Google Maps with its strong zooming functions and extensive data.  It also provides other map options for those who prefer other maps.

Solar Fire uses the ACS Atlas for the most accurate timezone data throughout history.

Solar Fire includes a comprehensive guide to using Symmetrical Astrology techniques.

•Holds up to 15 chart pages in "video memory" for instantaneous viewing.

•Allows on-screen viewing of a large variety of astrological definitions and interpretations, including interpretations of each planet and asteroid in each sign and house, plus interpretations of each planet in aspect to every other planet (using six different aspect types). There is also information relating to decanates and individual degrees of the chart, amongst many other categories.

•Facilities for editing existing / creating new interpretations.

•Displays high-clarity, high-resolution charts on the screen using the maximum resolution of any screen device.

•Chart point and aspect colors are user selectable.

•Includes all commonly used chart-type calculation methods.

•Computes composite charts for a pair of individuals or for an entire family or group of up to 15 individuals.

•Includes 30 different house systems.

•Creates any number of named aspect sets with user-definable orbs. Any one of these can be selected to be used in computing charts by simple mouse operation.

•Prints charts to the maximum resolution of any printer, including high-resolution laser printers and inkjet printers.

•Contains the ACS Atlas with more than 250,000 location names, positions and time zones with full daylight saving history, accessible by simple mouse operation.

•Allows creation of any number of chart database files from which records can be retrieved, copied or deleted

•A large selection of different wheel & dial styles and page layouts, plus the ability to easily design your own.

•Supports color printers. Aspect lines, planets and signs can be printed in color.

•Copies charts to the Windows or Mac clipboard for use in word processing or drawing programs, and can also export as a PDF file.

•Charts, chart data and page displays and may be emailed in one step, when used with a MAPI compliant email program.

•Export charts as graphics and tabulated chart data.

•Dedicated facilities for astrology teachers and practitioners.

•Support for medieval/classical astrology.

•Support for symmetrical astrology.

•Comprehensive dynamic events module.

In 1994, Astrolabe, Inc., authors of Nova, Chartwheels and other programs for DOS, became publishers of Solar Fire and provided development and technical assistance in subsequent versions of the program. In 2014, Astrolabe purchased Solar Fire, at that time at version 9. Esoteric Technologies authored the original Solar Fire astrology software program in 1992 as well as the subsequent versions through version 9.

Solar Fire's Team:

Doug Kellogg is the head of the Translation Team for Solar Fire X and did most of the "heavy lifting" of translating Solar Fire 9 from Visual Basic into a more modern and cohesive programming language. He took on the role of joint Solar Fire programmer in 2015. His programs AstroStar I and AstroStar II were sold by Astrolabe in the 1980s.

Raymond White is the head of Technical Services for Solar Fire X. He is Astrolabe's Chief Programmer and, in 2015, took on the role of joint Solar Fire programmer.

Natalie Loh is the General Fixer for Solar Fire X. She joined Astrolabe in 2025 as the third joint Solar Fire programmer, with particular expertise on a Mac. We are indebted to her hard work and dedication during the several months prior to the Solar Fire X release, as it would not have been possible without her!

Madalyn Hillis-Dineen and Roy Gillett contributed in the writing and rewriting of the Solar Fire manual, especially in the complete overhaul of the documentation for the new and greatly improved Solar Maps, and provided user-oriented feedback that improved Solar Fire.

Steve Pincus assisted with Solar Fire testing in many ways, including tracking bugs and testing fixes during development.

Gary Christen, Astrolabe's president, provided vision and guidance, as well as new techniques and outstanding graphics for Solar Fire X.

Cover artwork by Gianna Masella.

Stephanie Johnson, Graham Dawson, and Neville Lang contributed to earlier versions of Solar Fire.