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An update to Deep-Sky Planner 7 was released 31 August 2017.

SQM Reader Pro 3 was released 29 June 2017.

Deep-Sky Planner 7 Trial Edition is available by digital download (free).

See Knightware's calendar of events.

KnightVision is a free program that adjusts your computer's video for 'night vision'. You can download it here.

Zone Calculator is a free program that converts a sky brightness value to a zone color defined in The New World Atlas of Artificial Sky Brightness (2016, Falchi et al). You can download it here.

Astronomy Software by Knightware

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

Watch our latest
Deep-Sky Planner Live Q&A Webinar

Deep-Sky Planner webinar

Watch in 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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