Stargazing Buddy
Curated observing notes for naked eye, binoculars and telescopes.
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Observe
Plan
Tools
Tools
Available Tools
Bahtinov Mask
Calculators
Available Calculators
Object Visibility & Sky Position
Object Visibility
Maximum Altitude
Rise & Set Times
Best Observation Time
Altitude Chart
Airmass
Sidereal Time
Hour Angle
Telescope & Eyepiece Performance
Magnification
Exit Pupil
True FOV
Max Magnification
Resolution
Eyepiece Guide
Brightness & Visibility
Limiting Magnitude
Surface Brightness
Magnitude Converter
Imaging & Astrophotography
Image Scale
Imaging FOV
Sampling
Pixel vs Seeing
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Tools