BeginnerAstroTools

Free tools for astrophotography planning

Setup Planner

Telescope preset

Camera preset

Target

Planning note

Use Framing & Mosaic to choose single-frame or mosaic layout.

Manual setup values

Sensor width (mm)

Sensor height (mm)

Pixel size (µm)

Effective focal length (mm)

Pixel Scale Calculator

Camera preset

Telescope preset

Pixel size (µm)

Effective focal length (mm)

Field of View Calculator

Camera preset

Telescope preset

Effective focal length (mm)

Sensor width (mm)

Sensor height (mm)

Preset / manual mode

Pick presets or override values manually.

Framing & Mosaic

Telescope preset

Camera preset

Target

Mosaic mode

Manual framing values

Sensor width (mm)

Sensor height (mm)

Pixel size (µm)

Focal length (mm)

Panel overlap (%)

Framing Preview

The preview now follows the real sensor ratio. Use the target, mosaic mode, and overlap to estimate how the scene will fit.

DSO Annotation

Upload a FITS, PNG, or JPG image. The image is solved once, then the annotation redraws locally from Astrometry objects plus local catalogues and optional constellation layers.

Image file

Ready.

Layers

Deep-sky objects

Bright stars

Constellation lines

Constellation names

Show labels

Pointer lines

DSO outlines

Prefer Astrometry objects

Object filters

DSO mag limit

Min DSO size (arcmin)

Max DSO labels

DSO types

Star mag limit

Max star labels

Style

Label colour

Outline / marker colour

Constellation colour

Font size

Font family

Line width

No file loaded.

DSO Annotation Preview

Modern overlay using Astrometry results when available, with local bright-star and deep-sky catalogues as a fallback.

Show technical annotation details

No annotation run yet.

Plate Solver

Upload a FITS file to solve the field, identify objects, and download the solved FITS and WCS.

FITS file

Ready.

Filename
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Message
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RA
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Dec
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Pixel scale
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Orientation
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FOV
-

File size
-

Downloads
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Show technical WCS header