Getting Started
How to Use This Toolkit
A complete guide to getting the most out of each calculator and planning tool.
Astro Photography Calculator
Calculate optimal exposure settings for astrophotography based on your equipment and target.
1. Select Your Equipment
Choose your camera from the list or enter specs manually. Select your lens or enter focal length and aperture.
2. Choose Your Target
Select a celestial object from the list. The calculator will show you where to look and set the optimal declination.
3. Set Your Location
Use GPS or enter coordinates. The Bortle class estimates light pollution in your area.
4. Get Your Settings
View recommended exposure time, ISO range, and aperture. Check the Best Dark Sky Nights to plan your shoot.
💡 Pro Tips:
- Settings are saved in your browser - just come back anytime
- The "Where to Look" updates in real-time as Earth rotates
- Check Best Dark Sky Nights to find moonless nights
Sun + Moon Planner
Track sun and moon positions for landscape, golden hour, and lunar photography planning.
Direction Compass
The visual compass shows exactly where the sun and moon are. Face north, then look in the direction of the indicators.
Time Slider
Drag the time slider to see how the sun and moon move throughout the day. Plan your shot for the perfect moment.
Moon Phase
See the current moon phase and illumination percentage. Perfect for planning moonlit landscapes or dark sky sessions.
📸 Photography Guide:
- Golden Hour: 1 hour after sunrise / before sunset
- Blue Hour: 20-40 min before/after golden hour
- Moon shots: Best during twilight for balanced exposure
DOF + Motion Calculator
Calculate depth of field, hyperfocal distance, and motion blur for any shooting scenario.
Depth of Field
Enter your focal length, aperture, and subject distance to see exactly what will be in focus.
Hyperfocal Distance
Focus at this distance to maximize depth of field from half that distance to infinity - perfect for landscapes.
Motion Blur
Calculate the shutter speed needed to freeze or intentionally blur moving subjects.
General Tips
🔄 Settings Are Saved
Your selections are automatically saved in your browser. Just come back to pick up where you left off.
📍 GPS Location
Use the "Use device GPS" button for accurate location-based calculations. You can also enter coordinates manually.
🌙 Moon Data Is Real
All moon phase calculations use real astronomical formulas - no API needed. Accurate for any date, past or future.