Posts Tagged ‘Total Solar Eclipse’

July 2010

Thursday, July 1st, 2010

Lunar Events

The New Moon for July occurs on Sunday, July 11 which will make the weekend of July 10-11 the very best for dark sky observing.

The Full Moon occurs on July 25th and is known as the Full Sturgeon Moon or Full Grain Moon.

Celestial Events

Total Solar Eclipse

On July 11th, there is a Total Eclipse of the Sun which will be visible across the South Pacific and can be partially visible to the south part of South America. solar Eclipse


This movie shows the July 11, 2010 Solar Eclipse as view from the Moon. Note the Moon’s shadow moving west to east across the South Pacific. Each frame is one minute.

Aphelion - July 6, 2010

Aphelion

The Aphelion is the point in Earth’s elliptical orbit that it is furthest from the Sun.  This is the opposite point to the Perihelion when the Earth is at its closest point to the Sun, which occurs in January.

Mercury

Mercury emerges into the evening sky from the glare of the Sunset around July 8th.

Mercury begins July, hidden by the Sun, in the constellation Gemini (The Twins) and on July 8th, as it crosses into the constellation Cancer (The Crab), it emerges from the glare of the Sun. On July 19th, Mercury moves into the constellation Leo (The Lion).

Mercury, M44 and Moon
On the evenings of July12th and 13th, Mercury can be observed passing through the Beehive Cluster (M44) and on July 12th, the waxing, crescent moon will pass less than 5° from Mercury.

On July 27th, Mercury and the Star Regulus will be in conjunction and be a mere 0°25’ apart. Mercury Regulus

Venus

Venus is the Evening Star and can be found in the constellation Leo (The Lion) for the entire month of July.

Venus & Regulus
On July 9th, Venus and the Star Regulus will be in conjunction less than 1° from each other.

Venus and Moon
On July 14th, the waxing, crescent Moon will pass within 6°45’ of Venus.

Mars

Mars is observable in the evening hours all month. Mars set at the start of July around 11:35 pm (PDT) and by the end of the month is setting around 10:20 pm (PDT).

Mars begins July in the constellation Leo (The Lion) and on July 17th passes into the constellation Virgo (The Maiden).

Mars and Moon
On July 15th, Mars sets less than 7° of waxing, crescent Moon.

Mars and Saturn
July 31st finds Mars and Saturn in conjunction less than 1°50’

from each other.

Jupiter

Jupiter can be found in the constellation Pisces (The Fish) from the very late evening to morning hours of July. Jupiter rises around 12:30 am (PDT) at the start of July and by the end rises around 10:30 pm (PDT).

Jupiter Uranus and Moon
On July 3rd, the waning, gibbous Moon sets about 7° from Jupiter.

On July 23rd, Jupiter begins retrograde motion across the sky moving each night from West to East.

Jupiter Uranus and Moon
On July 30, the waning, gibbous Moon passes less than 6° from Jupiter.

Saturn

Saturn is located in the constellation Virgo (The Maiden) until December 2012. Saturn is observable from the very late evening hours through the morning, rising around 12:20 am (PDT) at the start of July and by the end rising around 10:25 pm (PDT).

Mars and Saturn
July 31st find Mars and Saturn in conjunction less than 1°50’
from each other.

Uranus

Uranus can be found in the vicinity of the planet Jupiter all month. Uranus is located in the constellation Pisces (The Fish) until May 2012. Uranus is observable from the very late evening hours though morning this month. At the start of July Uranus rises around 12:20 pm (PDT) and by the end of the month rises around 10:20 pm (PDT).

Jupiter Uranus and Moon
On July 3rd, the waning, gibbous Moon passes within 5°45’ of Uranus.

Jupiter Uranus and Moon
On July 30th the waning, gibbous Moon passes within 5°30’ of Uranus.

Neptune

Moving in retrograde this month, Neptune is located in the constellation Aquarius (The Water Bearer) for the entire month of July. Neptune can be observed from the very late evening hours though morning. Uranus rises about 12:20 am (PDT) at the start of July, and by the end, rises around 10:20 pm (PDT).

Neptune and Moon On July 27th, the waning, gibbous Moon passes within 3°35’ of Neptune.

Pluto

Pluto is located in the constellation Sagittarius (The Archer) until the year 2023.  Pluto is in excellent position for observing and is up all night all month.

On July 23rd, the waxing, gibbous Moon passes with 6° of Pluto. Pluto and Moon

January 2010

Friday, January 1st, 2010

Lunar Events

The New Moon for January occurs on Thursday, January 14th which will make the weekend on January 16-17 the best weekend for dark sky observing.

On January 29th is the Full Snow or Hunger Moon.

On January 14th, there will be an Annular Solar Eclipse.  Unfortunately it is only visible from East Africa, the Indian Ocean, Southern India and Southeast Asia.

Solar Eclipse

An Eclipse occurs when one astronomical object moves into the shadow of another. The two types of eclipses of most interest to Earthlings, are Solar Eclipses when the Moon’s shadow is cast across the seurface of the Earth, and Lunar Eclipses where the Earth’s shadow is cast onto the Moon. Lunar and Solar Eclipses usually occur two weeks from each other. Solar Eclpse always occur during a New Moon and Lunar Eclipses always occur during a Full Moon.

Celestial Events

The Perihelion of Earth occurs on January 2nd.

Perihelion

The Perihelion is the point in Earth’s elliptical orbit that it is closest to the Sun.  This is the opposite point to the Aphelion when the Earth is at its furthest point to the Sun, which occurs in June.

Mercury

Mercury is located in the constellation Sagittarius (The Archer) all month, but will not be observable until January 9th when it emerges from the glare of the morning Sun.  Around January 15th, Mercury halts its retrograde and reaches its Greatest Western Elongation on January 26th and at that time will be 24°45’09” from the Sun, for best morning views.

Mercury Elongation Elongations occur when the planet position in its orbital path is at tangent to the view from Earth. Because these inner planets are inside the Earth’s orbit, their positions as viewed from the Earth are never very far from the position of the Sun. When a planet is at Elongation is it furthest from the Sun as viewed from Earth, so it’s view is best at that point. There are two kinds of Elongations: The Eastern Elongation occurs when the planet is in the evening sky and the Western Elongation Occurs when a planet is in the morning sky.

Mercury, Pluto and the Moon
On January 13th, Mercury will pass within 2°50’ of the former planet Pluto and less than 6° of the waning, crescent moon.

Venus

The planet Venus is not observable this month as it passes in proximity to the Sun as it moves from morning to evening hours.

Venus begins the month in the constellation Sagittarius (The Archer) and moves to the constellation Capricornus (The Sea Goat) on January 18th.

Mars

Mars is in fantastic position for observation for the next few months due to the fact that Mars reaches Opposition on January 29th

Mars is observable all night, all month; Rising around 8:45 pm (PST) at the start of January and rising around 5:50 pm (PST) by the end of the month.  Mars can be found in the constellation Leo (The Lion) at the start of the month and on January 9th, Mars moves to the constellation Cancer (The Crab).

Mars Opposition

For planets outside the Earth’s orbit (Mars, Jupiter, Saturn, Uranus, Neptune and Pluto), the months around Oppositions are the best time to view these. An Opposition occurs when the planet is opposite from the Sun relative to the Earth. At Opposition the planet will rise as the Sun sets and will set as the Sun rises providing an entire night of observation. Also at Opposition the planet comes physically closest to the Earth in it’s orbit so it appears as large as possible.

Mars and Moon
On January 2nd, the Waning, gibbous Moon passes within 6°37’ of Mars.

Mars at Opposition and Full Moon
On January 29th, when Mars is at opposition, the Full Moon passes within 6°21’ of Mars.

Jupiter

Jupiter can be observed in the evening hours on January. At the start or the month Jupiter sets around 9:25 pm (PST) and by the end of the month it sets around 8:00 pm (PST).  Jupiter is located at the start of January in the constellation Capricornus (The Sea Goat), and on January 5th, moves into the constellation Aquarius (The Water Bearer).

Jupiter and Moon
On January 17th a Waxing, crescent moon rises within 4°10’ of Jupiter.

Saturn

Saturn is observable from the mid-night hours until morning in the constellation Virgo (The Maiden).  Saturn rises around 12:30 am (PST) at the start of January and rises around 10:25 pm (PST) at the end of the month.

Saturn and Moon
On January 6th the waning, gibbous moon passes within 8° of Saturn.

Uranus

The planet Uranus is observable in the evening in January.  Uranus sets around 11:30 pm (PST) at the beginning of January and by the end is setting around 9:40 pm (PST).  Uranus will move out of the constellation Aquarius (The Water Bearer) and into the constellation Pisces (The Fish) on January 14thUranus will remain in Pisces until May, 2012.

Uranus and Moon
On January 19th, Uranus will set within 5°30’ of the waning, crescent moon.

Neptune

Neptune is located in the constellation Capricornus (The Sea Goat) until March 2010.  Neptune is observable in the evening hours of January until the end of the month when it will disappear into the glare of the sunset.  Neptune sets at the start of January around 9:15 pm (PST) and by the end is setting around 7:25 pm (PST).

Pluto

Pluto is located in the constellation Sagittarius (The Archer) until the year 2023.  Pluto emerges in the morning hours after January 8th; rising around 7:15 am (PST) at the start of the month and rising around 5:20 am (PST) at the end.

Pluto and M2ercury and Moon
January 14th finds Pluto within 2°45’ of the planet Mercury.

July 2009 - Fixed

Friday, July 3rd, 2009

I was reviewing the July article yesterday and realized I completely MISSED the Total Eclipse this month. (My apologies to Eastern Asia, Japan and the South West Pacific) . I have fixed the article and included the Total Solar Eclipse.


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