The “DSO Planner” application is designed to help amateur astronomers in the planning of their observations. Application allows you to define the availability of deep-sky objects and choose the most suitable and interesting. “DSO Planner” includes wide opportunities to filter and sort objects. Comprehensive information provided for every object. It includes:

• Common name;
• Constellation and coordinates;
• Type and classification with detailed description;
• Magnitude and dimensions;
• Visibility graph;
• Picture (from NASA «Sky View Virtual Observatory»).