Deep-Sky Planner 9 Trial Edition
Free Astronomy Software
This trial edition is free astronomy software. It allows users to plan and log observations of sun, moon, planets, asteroids, comets, Extended Hipparcos stars and deep-sky objects found in the Messier and Caldwell catalogs. It also includes the useful and popular Darkness Text and Graphical reports. The trial edition is free of charge and can be downloaded below. For your security, the setup and program files are digitally signed by Knightware.
Although the database and feature set are limited, users can discover the ease of use and level of detail present in the full edition. Full product documentation is supplied with the trial edition. You can learn about the full edition or upgrade to the full edition in the Knightware Store.
All editions of Deep-Sky Planner 9 work with Windows 10 and 11. Deep-Sky Planner 9 is designed to work with Windows user account security features enabled.
Try It...
Deep-Sky Planner is the product of 35+ years of observing the night sky and 30+ years development. Give it a try and see if it can help you get the most from your observing and imaging efforts.
Feature Matrix
Feature | Trial Edition | Full Edition |
Light and dark app styles | ||
Hi-res monitor scaling (4k and above). | ||
Sun, moon, planet ephemeris reports | ||
Sun, moon, planet events reports | ||
Astronomical darkness reports | ||
Asteroid and comet reports | ||
Update orbital elements (recent elements included) | manual editing only |
manual editing and online updates |
Star catalog reports (variables, doubles, carbons and others) | 117,955 stars |
729,433 objects |
Deep-sky catalog reports |
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Save reports to HTML, CSV, Text, ICS formats | ||
Observing Plan Editing (manual or copy & paste) | Most edits cannot be saved |
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Observing Plan Reports (runs in real-time or for a specific date/time) | ||
Sample Observing Plans (included in installation) | ||
Observing Plan & Equipment Libraries (online Community) | ||
Import observing plans from text lists or CSV files | ||
Export observing plans to Argo Navis, Nexus DSC, Sky Commander, ACP, Astro Photography Tool, Cartes du Ciel, NINA, Sequence Generator Pro, SkySafari | ||
Smart DSS download and DSS image display in reports | ||
DSS image manager | ||
Object designation matching engine | ||
Telescope control (ASCOM 6 and earlier) | ||
Push To support for Argo Navis, Nexus DSC, Sky Commander (wireless & serial cable) | ||
Visibility Modeling predictions | ||
Smart chart interoperation (Cdc 3+, Redshift 7+, Starry Night 6+, Stellarium, TheSky 6 & X) |
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Observation log | ||
Observation log reports | ||
OpenAstronomyLog2.1 import/export | ||
Equipment/ Sky Conditions Bar | ||
Automatically read Sky Quality Meter and weather device | ||
Backup/restore user options and data | ||
Context sensitive online help & user's guide (PDF) |
Please do not distribute this trial edition on other web sites...
Knightware retains all copyrights, including the right of distribution. The trial edition will function for a few months. Knightware will evaluate the response to the trial edition during this time and decide whether to continue to make it available.