Posts Tagged ‘Mercury’

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

June 2010

Tuesday, June 1st, 2010

Summer Solstice

Summer begins on June 21st, when the Summer Solstice occurs. The Summer Solstice occurs when the tilt of the Earth is pointed directly toward the Sun.  This point marks the beginning of Summer.  The Summer Solstice has the longest amount of daylight and the shortest night.

Lunar Events

The New Moon for June occurs on Saturday June 12th, which makes that weekend June 12-13 a fantastic weekend for dark sky observing.

The Full Moon for June occurs on June 16th, and is known as the Full Buck Moon or Full Hay Moon.  Since it is also the closest Full moon to the Summer Solstice, it is also the Full Honey Moon.

There is also a Umbral Lunar Eclipse at this Full Moon on June 26th.  The Eclipse will be visible to the West coast of North and South America, the Pacific, Australia and some parts of Southeast Asia.

Please note: On Quicktime movies below, Window 64-bit may not display the controls to play the movie. Simply double-click on the movie to play.



This movie shows the eclipse as viewed from the Moon. The Area seen of the Earth is the area that can see the Earth’s shadow on the Moon. Each frame is one minute.



This movie shows the eclipse as viewed from Honolulu, Hawaii. Each frame is one minute.




This movie shows the Lunar Eclipse as view from Los Angeles. The moon sets about an hour after the eclipse maximum so the end of the eclipse will be missed by those of us on the West Coast.

From Los Angeles (my local time) the Lunar Eclipse will not be seen to completetion since Sunrise (and Moon Set) occur a bit over an hour after the Eclipse hits its maximum point. Los Angeles time table (PDT) is as follows:

Partial Penumbra phase begins 01:59:49 (-160 minutes).
Partial phase begins 03:18:49 (-81 minutes).
Eclipse Maximum 04:39:49 PDT
Sunrise in Los Angeles 5:43:29 PDT
Partial phase ends 06:00:49 (+81 minutes).
Partial Penumbra phase ends 07:19:49 (+160 minutes).

Mercury

Mercury is visible as the Morning Star in June until June 19th, when it disappears into the glare of the sunrise.

Mercury begins June in the constellation Aries (The Ram) and on June 5th, crosses into the constellation Taurus (The Bull).  On June 25th, hidden by the glare of the Sun,  Mercury crosses into the constellation Gemini (The Twins).

Venus

Venus is the Evening Star this month.

Venus begins June in the constellation Gemini (The Twins) and on June 12th, croses into the constellation Cancer (The Crab), and finally on June 20th, Venus will move into the constellation Leo (The Lion).

Venus and Moon
On June 14th, a waxing, crescent Moon will passes within 4°35’ of Venus.

Vnus and M44
On June 20th, Venus passes through the Beehive Cluster (M44).

Mars

Mars is observable in the evening hours of June all month, in the constellation Leo (The Lion).

Mars sets around 12:50 am (PDT) at the start of June, and by the end of the month sets around 11:30 pm (PDT).

Mars and Regulus
June 6th finds Mars in conjunction with the Star Regulus, passing
within 0°50’.

Mars and Moon
On June 17th, the waxing, crescent Moon passes within 5°50’ of Mars.

Jupiter

Jupiter is observable in the morning hours of June in the constellation Pisces (The Fish).  At the start of the month Jupiter rises around 2:15 am (PDT), and by the end of the month, Jupiter sets around 12:20 am (PDT).

Jupiter, Uranus and Moon
On June 5th a waning, crescent Moon will pass less than 5°40’ of Jupiter.

Jupiter and Uranus
On June 7th, the planets Jupiter and Uranus are in conjunction and
will be less than 0°25’ of each other.

Saturn

Saturn is located in the constellation Virgo (The Maiden) until December 2012. Saturn is observable from the evening to late evening hours of June. At the start of the month, Saturn set around 2:20 am (PDT) and by the end of the month, Saturn sets around 12:20 am (PDT).

Saturn and Moon
On June 18th, the First Quarter Moon passes within 8°20’ of Saturn.

Uranus

Uranus can be observed in the constellation Pisces (The Fish) until May 2012. Uranus can be observed during the morning hours of June in the vicinity of JupiterUranus rises around 2:15 am (PDT) at the start of June and by the end of the month rises around 12:20 pm (PDT).

Jupiter, Uranus and Moon
On June 5th a waning, crescent Moon will pass less than 5°15’ of Uranus.

Jupiter and Uranus
On June 7th, the planets Jupiter and Uranus are in conjunction and will
be less than 0°25’ of each other.

Neptune

Neptune is found in the constellation Aquarius (The Water Bearer) until August. Neptune rises during the late evening hours of June; rising around 12:30 am (PDT) at the start of the month and around 10:55 pm (PDT) by the end of the month.

N2eptune and Moon
On June 3rd, the waning, gibbous Moon passes within 4° of Neptune.

Neptune and Moon
On June 30th, the waning, crescent moon rises about 4° from Neptune.

Pluto

Pluto is found in the constellation Sagittarius (The Archer) until the year 2023.  Pluto is in excellent position to be observed this month since it is up from almost the entire night during June.

Pluto and Moon
On June 26th, the Full Moon, during the Lunar Eclipse, will pass within

7°10’ of Pluto.

May 2010

Saturday, May 1st, 2010

Lunar Events

The New Moon for May occurs on Thursday, May 13th.  This will make the Weekend of May 15-16 the best weekend for dark sky observing.

The Full Moon for May occurs on May 27th and is known as the “Full Strawberry Moon” or “Full Rose Moon.”

Mercury

Mercury appears to the morning hours on May 5th and will be visible as the Morning Star for the rest of the month.

Mercury GWEMercury will reach it’s best morning view on May 25th, when it reaches it’s Greatest Western Elongation and is 25°7’46” from the Sun. Note the red line is the orbit of Mercury and the green line is the Ecliptic.

Mercury begins May in the constellation Aries (The Ram), and on May 9th, Mercury crosses into the constellation Pisces (The Fish).  On May 14th, Mercury moves into the constellation Cetus (The Sea Monster) until May 22nd when it returns to the constellation Aries.

Mercury and Moon
On May 12th as Mercury ends its retrograde motion, the waning, crescent Moon will pass less than 6°40’ of Mercury.

Venus

Venus is the Evening Star All Month and is visible after sunset.

Venus begins this month in the constellation Taurus (The Bull) until May 19th, when it crosses into the constellation Gemini (The Twins).

Venus and M35
On May 21st, Venus passes less than 0°50’ from the Open Star cluster known as M35.

Venus and Mensuta
On May 27th, Venus is in near conjunction with the Double Star Mensuta, in Gemini, and passes less than 0°25’ of Mensuta.

Mars

Mars is still in great position for observation in the evening this month.  At the start of May, Mars sets around 2:15 am (PDT) and by the end of the month, Mars sets around 12:50 am (PDT).

Mars begins the month in the constellation Cancer (The Crab) and on May 12th, Mars crosses into the constellation Leo (The Lion).

Mars and Moon
On May 19th, the waxing, crescent Moon sets within 5°45’ of Mars.

Jupiter

Jupiter is observable in the morning hours of May.  At the beginning of May, Jupiter rises around 4:05 am (PDT) and by the end of May it rises, less than 1° away from Uranus, around 2:20 am (PDT).

Jupiter starts the month in the constellation Aquarius (The Water Bearer), But crosses into the constellation Pisces (The Fish) on May 2nd where it remains for the rest of May.

Jupiter and Uranus and Moon
On May 9th, Jupiter rises less than 5°10’ of the waning, crescent Moon and less than 4° of the planet UranusJupiter continues to move closer to Uranus throughout the month of May, ending May less than 1° of Uranus. Jupiter and Uranus will reach conjunction on June 7th.

Saturn

Saturn is located in the constellation Virgo (The Maiden) until December 2012 and is observable during the evening to mid-night hours of May.  Saturn sets around 4:20 am (PDT) at the start of May, and by the end of the month, sets around 2:20 am (PDT).

Saturn and Moon
On May 22nd, the waxing, gibbous Moon passes within 7°45’ of Saturn.

Uranus

Uranus is located in the constellation Pisces (The Fish) until May 2012. This month, Uranus can be observed in the morning hours before sunrise.  At the start of May, Uranus rises around 4:15 am (PDT) and by the end of the month, Uranus rises around 2:20 am (PDT) and is less than 1° from Jupiter. Jupiter and Uranus will reach conjunction on June 7th.

Jupiter, Uranus and Moon
On May 9th, the waning, crescent Moon passes less than 5°35’ of Uranus.

Jupiter and Uranus
By May 31st , Uranus is less than 1° from Jupiter. Jupiter and Uranus will reach conjunction on June 7th.

Neptune

Neptune is observable in the morning hours of May. At the start of May, Neptune rises around 2:55 am (PDT) and by the end of the month, Neptune rises around 12:50 am (PDT).  Neptune is located in the constellation Capricornus (The Sea Goat) until August.

Neptune and Moon
On May 7th the waning, crescent Moon passes less than 3°30’ from Neptune.

Pluto

Pluto is located in the constellation Sagittarius (The Archer) until the year 2023.  Pluto can be observed in the mid-night to morning hours of May.  Pluto rises around 12:25 am (PDT) at the start of May and by the end of the month, Pluto rises as early as 9:20 pm (PDT).

Pluto and Moon
The waning, gibbous Moon passes less than 6° of Pluto on May 2nd.


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