Astronomy Tools Calculator
Telescope
Camera
Seeing
Results — 1×1 binning
Image scale
—
″ / pixel
Optimal low
—
″ / pixel
Optimal high
—
″ / pixel
Status
—
—
Select equipment above.
All combinations — 1×1 binning, OK seeing (2–4″)
| Scope | Camera | Scale ″/px | Status |
|---|
Imaging train
Guide train
Seeing & sizing (Tony's method)
Leave override blank to use seeing-based calc. PHD2 dither scale = 1.0. Use random pattern.
Results
Imaging scale
—
″ / px
Guide scale
—
″ / px
Seeing disc
—
imaging pixels
Target imaging shift
—
imaging pixels
NINA dither pixels
—
enter in NINA
Fill in equipment above.
Seeing reference table — current train
| Seeing FWHM | Seeing disc (px) | Target px (1.5×) | NINA px |
|---|
Min 3px imaging always. PHD2 scale = 1. Random pattern only.
Telescope
Camera
Results — 1×1 binning
Image scale
—
″ / pixel
FOV width
—
degrees
FOV height
—
degrees
FOV diagonal
—
degrees
Sensor width
—
mm
Sensor height
—
mm
All combinations — 1×1 binning
| Scope | Camera | Scale ″/px | FOV W° | FOV H° | FOV diag° | Sensor mm |
|---|