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Rising Full Moon Timetable - Chicagoland - 2018

Rising time, illumination, brightness, azimuth and diameter of Full Moon calculated for Adler Planetarium observers, but good for all Chicagolanders each lunar month


Mean Lunar Orbit

Diagram depicting the true scale of the lunar orbit at a mean eccentricity of 0.0550 and a mean ellipticity of 1.0015 drawn relative to the center of a fixed Earth


Lunar Occultations of Planets and Stars

Graze maps, preview graphics, data and Besselian elements for upcoming occultations (coverings) of planets and stars by the Moon


Moon Photos

Landscape photos taken from Arlington Heights, Illinois by Curt Renz featuring the Moon usually during twilight while amid clouds or other foreground objects



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New Moon Spotting - 2018 DEC 07

Preview of the western sky from Chicagoland with the Moon lower right of Saturn at 20 minutes after sunset - See article below.


New Moon Spotting - 2018 DEC 08

Preview of the western sky from Chicagoland with the Moon lower right of Saturn at 40 minutes after sunset - See article below.

New Moon Spotting - 2018 DEC 09

Preview of the western sky from Chicagoland with the Moon upper left of Saturn at 60 minutes after sunset - See article below.


          DECEMBER NEW MOON SPOTTING


It’s a challenge every month to spot the New Moon after sunset by naked eye (or eyeglasses) as early as possible. I use the term New Moon in its classical sense of one’s first sighting of the Moon after its monthly solar conjunction (Dark Moon). The Dark Moon (which some call New Moon) was in geocentric longitudinal conjunction with the Sun on 2018 DEC 07 at 07:20 UT (01:20 CST).


   As we approach the Winter Solstice, sighting a young crescent Moon starts to become easier than in recent months. Some sharp eyed North Americans might have attempted to spot the more than half-day-old Moon on December 7. Most observers should have had much better luck the next evening. See my New Moon Spotting graphics listed above.


Also above is a link to a panorama including all Diana’s Bows in 2018. Those are waxing crescent Moons about 10% illuminated and aged about three days. The name is a reference to the archery equipment of the ancient Roman Goddess of Hunting and the Moon. The graphic nicely illustrates how the season of the year affects the viewing of a waxing crescent Moon.



Monthly Lunar Calendar

Daily lunar phases, eclipses, planetary events and meteor showers

A Great Computer Desktop Background Wallpaper!


Diana’s Bows - 2018

Panorama of all 12 evening waxing crescent Moons approximately 10% illuminated and aged about 3 days - See last paragraph of article below.


Morning Bows - 2019

Panorama of all 13 morning waning crescent Moons approximately 10% illuminated about 3 days prior to solar conjunction


Full Moons - 2018-20

Panorama illustrating the geocentric declination, distance, angular diameter and relative brightness of 15 Full Moons


Cycle of Lunar Phases

Simplified diagram not to true scale illustrating how the shape of the illuminated portion of the Moon’s apparent disk changes as our natural satellite orbits the Earth



© Curt Renz

  Moon

Lunar Libration - January

Graphs of the monthly moderate apparent swings of the visible lunar surface in longitude and latitude


Lunar Libration - December

Graphs of the monthly moderate apparent swings of the visible lunar surface in longitude and latitude


Calendar Moon 08 Occultations Moon 01 Moon 02 Moon 03 Moon 10 Moon 13 Moon 04 Moon 05 Moon 15 Moon 07 Moon 14 Moon 12

Lunar Libration in 2 Dimensions Combined

Graph of the moderate apparent swings of the visible lunar surface combining longitude and latitude into a single 2-D chart for 00:00 CST (06:00 UT) each day


Moon 06

Lunar Terminator on Rayed Craters, Lunar X & Curtiss Cross

Table of sunrises and sunsets on various rayed craters, Lunar X and Curtiss Cross, as lunar terminator sweeps across them during current lunar month


Moon 11 Eclipses

SuperMoons - 2010-2029

10 Full Moons with greatest geocentric angular diameters Posted time of maximum fraction of lunar disk illuminated


Moon Photos

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Eclipses - Lunar & Solar

Preview graphics and data for the upcoming lunar and solar eclipses - Solex numerical integration accuracy - Precise elliptical shadow of Earth


Moon 09

Brightest Moons - 2010-2029

10 Full Moons with greatest geocentric brightness Posted time of maximum brightness