User`s guide

118 Starry Night User’s Guide
Most of the event classes listed in the
“Event Filters” layer of the Events pane
have special options associated with them.
Clicking on the event class name in the
pane will open a dialog box with options
for that event class. For example, clicking
on the word “Lunar Phase Events” will
open a dialog box with options for
selecting the type of lunar phases to
include in your search.
Some of the event types might not be
familiar to you.
Lunar Phase Events: New Moon is the
Moon as it appears on Earth when it is
positioned between Earth and the Sun at
the beginning of a cycle of lunar phases.
The new moon rises and sets with the Sun.
During First Quarter Moon and Last
Quarter Moon half of the Moon’s disc is
illuminated.
Full Moon is the Moon’s appearance from
Earth when it is positioned directly
opposite the Sun. The Moon is full two
weeks after new moon. The full moon
rises at sunset and sets at sunrise when
Earth is between the Moon and the Sun.
Jovian Moon Events: A Shadow Transit is
the passage of the shadow of one of
Jupiter’s moons across the face of Jupiter.
Shadow transits are a favourite event
among planetary observers.
A Transit is the passage of a moon over
the face of Jupiter.
An Occultation is the disappearance -
eclipse - of one moon behind Jupiter.
An Eclipse occurs when a moon passes
through the shadow of Jupiter.