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An update to Deep-Sky Planner 7 was released 9 February 2018.

An update to SQM Reader Pro 3 was released 4 October 2017.

Free Software

Deep-Sky Planner 7 Trial Edition is available now. Download it here.

KnightVision adjusts your computer's video for 'night vision'.
Download it here.

SQM Reader reads Sky Quality Meters.
Download it here.

Zone Calculator converts a sky brightness values. Download it here.

Astronomy Software by Knightware

Makers of Deep-Sky Planner & SQM Reader Pro Astronomy Software

Watch our latest
Deep-Sky Planner Webinar

Deep-Sky Planner webinar

Visit the Video Library

Deep-Sky Planner Awards

2014 hot products


Deep-Sky Planner astronomy software


Knightware produces astronomy software for stargazing that runs under Windows. The flagship product, Deep-Sky Planner, helps imagers and visual observers plan and record their observations. A large database, telescope control, planetarium program interoperation and extensive reporting capabilities are included. Upgrade your stargazing now! Learn more here.

Deep-sky Planner video library See the Deep-Sky Planner 7 introduction video page

SQM Reader astronomy software allows owners of Unihedron's Sky Quality Meter to acquire darkness readings using the meter's USB or ethernet port and store them to a file. SQM Reader Pro adds extended data storage options, graphing, scripting and FTP capability. Learn more here.

Astronomy Software Products

astronomy software Deep-Sky Planner
available by digital delivery and CD

Deep-Sky Planner 7
Observation Planning and Logging Software for Astronomers
Learn more...

 buy Deep-Sky Planner


astronomy software SQM Reader Pro
available by digital delivery and CD

SQM Reader Pro 3
Supports SQM models LE (Ethernet), SQM-LU & LU-DL (USB) &LR (RS-232)
Learn more...

buy SQM Reader Pro


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