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Saturday, 25 October 2014

Moon through telescope. Heraclitus and Licetus craters.



Heraclitus and Licetus (90/75 km) are two stuck together craters, but they are more complex than you think. The shape can confuse you because these are some overlapping craters. From what I can tell, Heraclitus is the oldest of them. If you remove craters are overlapped over it, you will see that this is a circular crater affected by many small impacts. Over it, were held two impacts: one to the north that formed the crater Licetus, and one to the south, called Heraclitus D (52 km). Images are upside down for better observation.

Circular crater to the southeast of Heraclitus, the Cuvier (75 km), which is sticking to the edge of Heraclitus.



Image for orientation from 29 April, 2012..

Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km


Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer




Thursday, 23 October 2014

Astronomical phenomena November 2014





Opportunities for observation for November 2014:


01 november 2014 - Mercury at greatest elongation, 18.7 ° E, at 14:00.


03 november 2014 - Moon reaches perigee, the closest point to Earth (367,871 km from Earth) at 02:22 GMT +2.


06 november 2014 - Full Moon. Earth is between the Sun and the Moon and so the Moon will be fully illuminated as seen from Earth. This phase occurs at 00:23 GMT +2.


08 november 2014 - Aldebaran 1.4 ° S of Moon at 9:41 GMT +2.


12, 13 november 2014 - Taurid meteor shower. Taurids are a long time minor meteor shower, producing only about 5 to 10 meteors per hour. It is unusual that it consists of two separate streams. The first is produced by dust particles of asteroid 2004 TG10. The second current is produced by debris left behind by Comet 2P Encke. The shower takes place annually between October 20 to December 10. This year the maximum is on the night of November 12. Unfortunately, the Full Moon will block all but the most bright meteors. If you are very patient, you may be able to observe a few. The best time for viewing will be just after midnight from a dark location away from city lights. Meteors will radiate from the constellation of Taurus, but can appear anywhere in the sky.

15 november 2014 - Moon at apogee. Luna reaches the farthest point from Earth (404,338 km from Earth) at 03:57 GMT +2.


17, 18 november 2014 - Leonids - meteor shower.- Leonids meteor showers are one of the best for observation. You will see about 40 meteors per hour. Leonids have a cyclic peak year every 33 years when hundreds of meteors can be seen each hour. Last time this phenomenon occurred in 2001. Meteors will radiate from the constellation Leo after midnight and the meteors originates from the tail of the Comet Temple-Tuttle. Crescent Moon this year, will not be a big problem.


22 november 2014 - New Moon. Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 14:32 GMT +2.


27 november 2014 - Moon reaches perigee, the closest point to Earth (369,825 km from Earth) at 01:12 GMT +2.




Legend:
-Perihelion-position in the orbit of a planet closest to the Sun.
-Aphelion - position in the orbit of a planet farthest from the Sun.
-Perigee -  the position of the Moon closest to Earth.
-Apogee -  the position of the Moon farthest to Earth.
-Inferior Conjunction - Mercury or Venus passing between the Earth and Sun.
-Superior Conjunction - Mercury or Venus passes on the opposite side of the Sun from Earth.
-Greatest elongation - elongation is the angle between the Sun and a planet as seen from Earth, during eastern elongation (E), the planet appears as an evening star, during western elongation (W), the planet appears as a morning star.
-Opposition - position in the orbit of a planet when opposites the Sun as seen from Earth.

-Conjunction - position in the orbit of a planet when appears closer to the Sun as seen from Earth.
-Occultation - Moon occults or eclipses a star or a planet.
-Ascending Node - the point where a planet passes from the southern to the northern part of its orbit.
-Descending Node - the point where a planet passes from the northern to the southern side of its orbit.

Wednesday, 22 October 2014

Telescope Astrophotography Sony CX130. Digital Astronomy. Crater Abenezra.



It's a bit more light on these images, but here are distinguished craters close to one another like Geber, Abenezra and Azophi (45/42/48 km)  . These craters are similar in size, but not on the features within them. Abenezra has a rippled floor on the east side (the images are inverted) showing nine dunes from center to edge that open like a fan. Azophi has a flooded floor, with small craters on it.


Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km


Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer



Image from 10 february 2011.




 
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