Guildsoft has released Space.com's Starry Night Backyard Special Edition (SE) and Starry Night Beginner.

Starry Night Backyard is a critically acclaimed astronomy program for the Mac. It received 8.9 stars on Macworld's buyer's guide.

Star chart The Special Edition pack features the application plus a 200-page guide. The guide was written by Griffith Observatory Planetarium director John Mosely, and features an introduction by Andrew Chalkin.

Starry Night Beginner is designed to be a "desktop starter kit for anyone seeking a user-friendly introduction to the night sky", according to Guildsoft. The programs are available in Mac and Windows varieties.

Starry Night Beginner costs £25, Starry Night Backyard Special Edition costs £42.