Posts Tagged ‘Full Corn Moon’

August 2010

Sunday, August 1st, 2010

Lunar Events

The New Moon for August occurs on Monday, August 9th, which makes the weekend of August 7-8 the best weekend for dark sky observation.

The Full Moon for August happens on August 24th and is known as the Full Corn Moon or Full Fruit Moon.

Mercury

Mercury is visible in the evening for the entire month of August. Mercury begin this month in the constellation Leo (The Lion) and begins to cross the corner of the constellation Sextans (The Sextant) on August 5th. On August 7th, Mercury finishes crossing the corner of Sextans and returns into the constellation Leo. On August 20th Mercury changes direction starting its retrograde motion toward the Sun and by August 31st, returns to the constellation Sextans.

Mercury Greatest Eastern ElongationMercury reaches its optimal viewing position on August 6th, when it reaches it’s Greatest Eastern Elongation.  At that time Mercury will be 27°22’01” from the Sun and will set about 1 hour 50 minutes after sunset.

Mercury & Moon
On August 11th the waxing, crescent Moon will pass within 3° of Mercury.

Venus

Venus is also observable in the evening for the entire month of August.  In the very earliest hours of August Venus crosses from the constellation Leo (The Lion) to the constellation Virgo (The Maiden) where it will remain located for the rest of the month.

V2enus Greatest Eastern Elongation
Venus reaches its optimal observing position on August 19th, as it reaches it’s Greatest Eastern Elongation and is in position for its best evening distance from the Sun.  At this time Venus will be 45°57’32” from the Sun and will set 3 hours after sunset.

Venus is a member of several conjunctions and grouping of other planetary object this month, including:

Venus & Saturn
On August 8th, Venus and Saturn will be less than 2°50’ apart.

Venus, Saturn, Mars & Moon
On August 12th, Venus, Saturn, Mars and the waxing, crescent Moon will be within 10° of each other.

Venus & Mars
On August 20th, Venus and Mars will pass within 2° of each other.

Finally on August 31st, Venus will pass within 1° of the Star Spica. Venus, Mars & Spica

Mars

Mars is observable during the evening Hours of August in the constellation Virgo (The Maiden). Mars sets around 10:20 pm (PDT) at the start of August, and by the end of the month, sets around 9:10 pm (PDT).

Venus, Saturn, Mars & Moon
On August 12th, Venus, Saturn, Mars and the waxing, crescent Moon will be within 10° of each other.

Venus & Mars
On August 20th, Venus and Mars will pass within 2° of each other.

Jupiter

Jupiter is located in the constellation Pisces (The Fish),  moving in retrograde, this month and can be observed from the late evening to morning hours of August. Jupiter rises around 10:25 pm (PDT) at the start of the month, and by the end of August is rising as early as 8:30 pm (PDT).

Jupiter, Uranus and Moon

 

On August 26th, the waning, gibbous Moon passes with 5°50’ of Jupiter.

Jupiter is a great place to start if your are hunting Uranus this month.  They are in proximity to each other for the entire month. Look for Jupiter at the opposite side of the sky from Saturn; as Jupiter rises in the East, Saturn is setting in the West.

Saturn

Located in the constellation Virgo (The Maiden) until December 2012, Saturn is observable during the evening hours of August. Saturn sets around 10:20 pm (PDT) at the start of August , and by the end of the month, sets around 8:30 pm (PDT).  Look for Saturn at the opposite side of the sky from Jupiter; as Jupiter rises in the East, Saturn is setting in the West.

Venus, Saturn, Mars & Moon
On August 12th, Venus, Saturn, Mars and the waxing, crescent Moon will be within 10° of each other.

Uranus

Uranus is located in the constellation Pisces (The Fish) until May 2012.

At the beginning of the month, Uranus rises around 10:15 pm (PDT), and by the end of August, it rises around 8:15 pm (PDT).

To find Uranus, you might start by looking for Jupiter and the two planets are in proximity to each other for the entire month. At the end of the month Jupiter and Uranus will be a mere 1°15’ from each other and will end up in conjunction next month on September 21st.

On August 26th, the waning, gibbous Moon passes within 5°15’ of Uranus.

Jupiter, Uranus and Moon

Neptune

Neptune OppositionNeptune is in optimal position for the year for observation as it reaches Opposition on August 20th

Neptune will be observable all month and is at its closes point to Earth for the year.  Moving in retrograde, Neptune begins the month in the constellation Aquarius (The Water Bearer) and on August 13th crosses into the constellation Capricornus (the Sea Goat) where it can be found until January 2011.

Neptune & Moon
On August 24th, the Full Moon will pass within 3°40’ of Neptune which may make it difficult to observe on that night.

Pluto

Pluto is located in the constellation Sagittarius until the year 2023 and is observable until the late evening hours of August.  At the start of the month, Pluto sets around 3:30 pm (PDT) and by the end of the month Pluto sets around 1:30 am (PDT).

Pluto & Moon
On August 18th, the waxing, gibbous Moon passes around 6° from Pluto.

September 2009

Tuesday, September 1st, 2009

Autumnal Equinox

Autumn begins on September 22nd when the Autumnal Equinox occurs. The Autumnal Equinox occurs when the tilt of the Earth is in tangent with the orbit of Earth around the Sun.  This point marks the beginning of Autumn.  An Equinox has an equal amount of daylight and nighttime.

Lunar Events

The Full Moon for September occurs on the 4th.  The Full Moon is called the Full Fruit Moon and is also known as the Barley Moon.

The New Moon for September occurs on Friday, September 18th this will make the weekend of September 19-20 as the best weekend for deep sky observing.

Mercury

Mercury crosses from evening to morning hours this month.  Mercury is observable in the evening until around September 14th when it disappears into the glare of the Sun.  Mercury re-emerges into the evening around September 26th.  Mercury is in retrograde motion between September 7th through September 28th.

The above movie shows the path of Mercury during the month of September. Each frame is one sideal day. Note the retrograde motion as is moves past the Sun as it crosses from evening to morning hours.

Mercury begins September in the constellation Virgo (The Maiden) and on September 22nd it crosses into the constellation Leo (The Lion) where it spend the rest of the month.

Venus

Venus is the Morning Star for September. Venus begins September in the constellation Cancer (The Crab) until September 10th went it moves into the constellation Leo (The Lion).

Mrcury, M44 September 1st finds Venus within 1°15’ for the Beehive Cluster (M44).
On September 16th, the waning, crescent Moon passes within 3°30’ of Venus. Mercury, Moon
Mercury, Regulus On September 20th, Venus passes with 0°30’ of the star Regulus.

Mars

Mars is observable in the morning hours of September in the constellation Gemini (The Twins) this month.  Mars rises around 1:20 am (PDT) at the beginning of September and by the end of the month rises around 12:45 am (PDT).

On September 13th, Mars rises within 3°34’ below the waning, crescent Moon with will pass within 1° of Mars on that day. Mars, Moon

Jupiter

Currently in retrograde motion, Jupiter is located in the constellation Capricornus (The Sea Goat) until January 2010.  Jupiter is observable in the evening and mid-night hours of September; setting around 4:55 am (PDT) at the beginning of the month and setting around 2:50 am (PDT) by the end of September.

Jupiter, Neptune and Moon On September 3rd, the waxing, gibbous Moon rises within 4°30’ of Jupiter and Neptune.
On September 30th, the waxing, gibbous Moon rises within 2°20’ of Jupiter and Neptune. Jupiter, Neptune and Moon

Saturn

Due to its position near the Sun, Saturn is not observable this month.  Saturn ends it long stay in the constellation Leo (The Lion) on September 2nd, when it will pass into the constellation Virgo (The Maiden) where it will remain until December 6th, 2012.

Uranus

September is the best month this year to observe Uranus as it reaches Opposition on September 17th. Uranus is visible all night, all month and is located in the constellation Pisces (The Fish).

Uruanus at Opposition
Uranus at Opposition on September 17th - The above images show the

relative position of the planet Uranus when it is at Opposition on
September 17th, relative to Jupiter, Neptune and the waning, gibbous
Moon.

On September 5th, Uranus rises within 5°15’ of the waning, gibbous Moon.

Neptune

Neptune is observable most of the night in September until the very early morning hours.  At the beginning of the month, Neptune sets around 5:20 am (PDT) and by the end of the month, Neptune sets around 3:25 am (PDT).  Neptune is moving in retrograde motion this month.

Jupiter, Neptune and Moon On September 3rd, the waxing, gibbous Moon rises within 4°30’ of Jupiter and Neptune.
On September 30th, the waxing, gibbous Moon rises within 2°20’ of Jupiter and Neptune. Jupiter, Neptune and Moon

Pluto

Pluto is observable until the late evening hours of September in the constellation Sagittarius (The Archer).  At the beginning of the month Pluto sets around 1:20am (PDT) and at the end of the month Pluto sets around 11:25 pm (PDT).

Pluto is moving in retrograde motion until September 12th.

Pluto
The relative position of pluto this month in the constellation Sagittarius.


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