Observation Planner

Planner list with altitude and windows
Choose targets by altitude, transit, moon distance

Plan targets for your location and date/time with altitude filters, transit, moon distance, and best windows. Export CSV/HTML for field use.

Quick Start

  1. Set Location (lat/lon/timezone) and date/time.
  2. Select targets from lists or search by name/catalog.
  3. Sort by Best Window, Altitude, or Transit.
  4. Export your plan.

All Controls

ControlWhat it doesWhen
Location / TimeSets coordinates/timezoneAccuracy depends on it
Alt/Az limitsReject low targetsAvoid turbulence/extinction
Moon distanceFilter near-Moon objectsBroadband sessions
SortingWindow/Altitude/TransitOptimize nights/weekends
ExportCSV/HTMLTake it to the field

Updated 2026-05-17