Astronomy tools

Astronomy software

Explore orbital dynamics, astronomical images and the night sky with Windows applications developed for Show Me The Sky.

Observation mapping

SkyRoamer

Explore your observation library across the night sky. SkyRoamer reads stacked FIT/FITS observations, maps their real sky coverage from WCS information, previews astronomical images and helps compare and align overlapping observations.

Windows 30-day full trial Version 1.0.2
Download sample data (ZIP · ~207 MB)

Try SkyRoamer with sample observations. Extract the ZIP, then load the extracted image folder in SkyRoamer.

Free extension available on request

SHA-256: 02059b1eb4efb45256de12eef60b4287f589c9c6834b7eb4af2cbdfa8c55627a
SkyRoamer astronomy observation mapping software
Small-body analysis

SkyWanderer

Analyse asteroid and comet observations from FITS sequences. SkyWanderer combines registration, target tracking, photometry, rotation-period analysis, comet-centred stacking, motion analysis and small-body science tools in one guided workflow.

Platform Windows
Installer ~119 MB
Release 1.4.4 · September 2026
Download Eunomia sample data (ZIP · ~194 MB)

Try SkyWanderer with a reduced Eunomia FITS sequence. Extract the ZIP, then load the extracted image folder in SkyWanderer.

Free extension available on request

SHA-256 2a6d30c52f62e67101d86039140dc1e047a1f01a3186f1fcfe09f122f3e6684d
SkyWanderer astronomy software

After your 30-day trial

SkyRoamer and SkyWanderer include a full 30-day trial starting at first launch. Free 90-day extension licences are currently available on request. Future renewals may be paid; any licence already issued remains valid until its stated expiry date.

When your trial or licence expires, the app requires a valid licence before it opens. Your observation and output files are not deleted. In the updated app, choose Licence > Activate licence, or use the activation button on the expiry screen.

Request a free extension or renewal

About the downloads

AstroFrame is currently available as free Windows software. SkyRoamer and SkyWanderer are available as full 30-day trials and ask for your name and email address before download. No payment details are required. Windows may display a Microsoft Defender SmartScreen message for software from smaller publishers. The SHA-256 values above can be used to verify that a downloaded installer matches the file published on this website.

Download SkyRoamer

Start your full 30-day trial. Your trial begins the first time you launch SkyRoamer.

No payment details required. Marketing emails are optional.