Posts Tagged ‘Summer solstice’

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.

June 2009

Monday, June 1st, 2009

Summer Solstice

Summer begins on June 20th (22:46 PDT) 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 Monday, June 22nd, which will make the weekend of June 20-21 the best weekend for dark sky viewing.

The Full Moon for June occurs on June 7th, and is known as the Full Strawberry Moon or Rose Moon.

Mercury

Mercury is located in the constellation Taurus (The Bull) for the entire month.

June 12 - Mercury Opposition
The Planet Mercury is observable during the morning hours all month

and reaches its Greatest Western Elongation on June 13 for the best
morning view in this orbit.  On this date, Mercury will be 23°27′17″
from the sun.
 

On June 12th, Mercury will pass within 8° of the asterism Pleiades (M45).

June 21 - Mercury and Moon
On June 21st, Mercury will rises within 6°30′ of the waning, crescent moon.

Venus

Venus is the Morning Star all month and will reach its Greatest Western Elongation on June 5th, and will be 45°50′58″ from the sun.  Venus begins June in the constellation Pisces (The Fish) until June 9th when it briefly crosses through the constellation Cetus (The Sea Monster).  The next day, June 10th, Venus moves into the constellation Aries (The Ram) until it crosses into the constellation Taurus (The Bull) on June 28th, where it will spend the rest of the month.

June 19 - Venus, Mars and Moon
June 19th, will find Venus, Mars and a waning, crescent moon within
7°15′ of each other.

On June 22, Venus and Mars will be in conjunction less than 1°50′ apart.

Mars

Mars is observable in the morning hours of June, rising around 3:40 am (PDT) at the beginning of the month and rising around 2:45 am (PDT) by the end of the month. Mars is located in the constellation Aries (The Ram) for the entire month of June.

June 19th, will find Mars, Venus and a waning, crescent moon within 7°15′ of each other.

June 22 - V2enus and Mars
On June 22, Mars and Venus will be in conjunction less than 1°50′ apart.

Jupiter

Jupiter is located in the constellation Capricorn (The Sea Goat) until January 2010. Jupiter is observable from the very late evening until sunrise this month.  At the beginning of June Jupiter rises around 12:50 am (PDT) and by the end of the month Jupiter will rise around 10:50 pm (PDT).

June 13 - Jupiter, Neptune and MoonJupiter, Neptune and a waning, gibbous moon will come to conjunction
on June 13 being less than 3° from each other.

On June 15, Jupiter will start retrograde motion and will continue to appear moving eastward across the stars until October 12th, when it will resume apparent normal motion.

Saturn

Saturn is observable during the evening and late hours of June.  Saturn sets around 1:40 am (PDT) at the beginning of the month and sets around 11:50 pm by the end of the month.  Saturn is located in the constellation Leo (The Lion) until September.

June 27 - Saturn and Moon
On June 27 around 11:40 pm (PDT) Saturn sets within 8°25′ from the
waxing , crescent moon.

Uranus

Uranus is located in the constellation Pisces (The Fish) until October.  Uranus can be observed during the morning hours this month.  Uranus rises around 2:10 am (PDT) at the start of June and by the end is ring around 12:15 am (PDT).

June 15 - Uranus
June 15, 2009 - The relative position of Uranus in the sky for mid-June.

Neptune

Neptune is located in the constellation Capricornus (The Sea Goat) until the year 2010.  Neptune is observable during the morning hours of June, rising around 12:45 am (PDT) at the start of the month and rises around10:45 pm (PDT) by the end of June.

June 13 - Jupiter, Neptune and MoonJupiter, Neptune and a waning, gibbous moon will come to
conjunction on June 13 being less than 3° from each other.

Neptune is moving in retrograde motion until November 5th.

Pluto

Pluto is observable all night, all month and is located in the constellation Sagittarius (The Archer) until the year 2023.  Pluto is moving in retrograde motion until September 12th.

June 15 - Pluto
June 15, 2009 - The relative position of Pluto in mid-June.


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