Eclipse frame planner

1. Location & date

Latitude Longitude

Elevation (m) Date

2. Contact times

Computed in-browser with a general-purpose ephemeris (VSOP87/ELP2000). Typically agrees with a DE440s-based tool to within ~10 seconds — fine for framing, not a substitute for your verified numbers. Override below if you want the plot to match your own script exactly.

Override with my own C2 / max / C3 times (UTC)

3. Camera

Native resolution, wide side (px) Native resolution, short side (px)

Orientation for this shot

Plate scale

Compute from focal length

35mm-equivalent focal length (mm)

I measured it directly

4. Framing

Center the frame on

Window start, minutes before C2 Window end, minutes after C3

Aim offset — positive pushes the sun path up, revealing foreground 0 px

Corona clearance, x solar radii Hills / obstruction at horizon (deg)

Eclipse frame planner

1. Location & date

2. Contact times

3. Camera

Plate scale

4. Framing

Frame preview

Event readout