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Scientific
Frontline®
Sky
Maps are produced using
Cartes du
Ciel Sky Charts Version 3 beta 0.1.6
Northern Hemisphere uses Oklahoma
City as the observation point. Southern Hemisphere uses Rio de
Janeiro as the observation point
unless
otherwise indicated. All times are UT Evening Twilight
Astronomical. The Sky Maps
will be updated daily for the following day.
They
are a close representation of what you would see in the sky for
this time period. Yet slight variation could be possible
depending on your exact location. All
maps are using Alt/Az
Coordinate System, unless
otherwise indicated.
More
Information Bookmark
Custom Sky Maps available by request. Use the contact page and send us the time, date, city you live in. Looking for a particular object just let us know. Request should be for at least two days in advance. |
| The Following Sky Maps are for February 10, 2010 – UT Evening Twilight Astronomical |
| Northern Hemisphere |
| View North | View South |
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| Southern Hemisphere |
| View North | View South |
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| Celestial Notes for February 2010 |
| The long, cold nights of winter serve up a treat this year: Mars. We will pass by the Red Planet late in the month, so it shines brightest for the year. It is an orange beacon, shining steadily in the constellation Cancer, the crab. It will glow almost twice as bright at the end of the month as at the beginning. As Mars climbs to prominence, Jupiter drops lower in the west every evening. It's still the second-brightest object in the night sky this month, after the Moon. Some Information provided by: The University of Texas McDonald Observatory. Purchase their 2010 Sky Almanac for a year review of upcoming events. |
| Upcoming Celestial Events |
| February 2010 |
| Celestial Events maps are produced by Scientific Frontline® using the ESO VirGo® 1.4.4 Beta program All Celestial Events maps are using Alt/Az Coordinate System and Oklahoma City (Northern Hemisphere) as the observation point. All celestial event Times / Dates are listed by UTC time |
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 01 |
02
MAP
Saturn
stalks the Moon this evening. Rising in late evening. Saturn is
to the lower left of the Moon and moving closer by morning.
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03 MAP | MAP Saturn, Spica, and the Moon form a triangle before dawn. | 04 MAP | MAP Look for Spica at the upper right of the Moon at dawn. | 05 | 06 | |
| 07 MAP Antares the heart of Scorpius rests to the lower left of the Moon at first light. | 08 | 09 | 10 | 11 | 12 |
13
Lunar Apogee |
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15 | 16 | 17 | 18 | 19 |
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| 21 | 22 | 23 | 24 | 25 | 26 MAP | MAP Mars and the Moon are side by side at nightfall in the East. Look for Pollux above Mars. Pollux is the brightest start of the constellation Gemini. |
27
Lunar Perigee |
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28
MAP
Regulus
of the constellation Leo “The Lion” is to the upper
left of the Moon in early evening.
MAP Jupiter is in conjunction. Passing behind the Sun from Earth view. |
01 | 02 | 03 | 04 | 05 | 06 |
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| Information |
| Alt/Az Coordinate System. The Alt/Az Coordinate System. is a celestial coordinate system that uses the observer's local horizon as the fundamental plane. This conveniently divides the sky into the upper hemisphere that you can see, and the lower hemisphere that you cannot (because the Earth is in the way). The pole of the upper hemisphere is called the zenith. The pole of the lower hemisphere is called the nadir. Alt/Az Coordinate are: * altitude (Alt), sometimes referred to as elevation, that is the angle between the object and the observer's local horizon. * azimuth (Az), that is the angle of the object around the horizon, usually measured from the north point towards the east. In former times, it was common to refer to azimuth from the south, as it was then zero at the same time the hour angle of a star was zero. This assumes, however, that the star (upper) culminates in the south, which is only true for most stars in the Northern Hemisphere. The Alt/Az Coordinate System. is sometimes also called the az/el or Horizontal Coordinate System. UT Evening Twilight Astronomical Astronomical Twilight begins when the Sun's center is 18 degrees below the horizon. Civil Twilight begins when the Sun's center is 6 degrees below the horizon; Nautical Twilight begins when the Sun's center is 12 degrees below the horizon. |
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