AAVSO Target Tool

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Latitude of telescope

South is negative, North is positive. For DMS, leave spaces in between to convert (try "36 09 58"). Leave this at zero if no telescope

Longitude of telescope

West is negative, East is positive. For DMS, leave spaces in between to convert (try "-86 47 02"). Leave this at zero if no telescope

Minimum altitude of target

Minimum altitude that the telescope can observe in degrees relative to the horizon. Leave this at 20 if no telescope

Altitude of sun at dusk

Altitude of sun at dusk and dawn in degrees, typically a negative number. Leave this at -5 if no telescope.

Timezone

Use 12 hour time (am/pm) instead of 24 hour time

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