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Saturday, 26 July 2014

Crater Wolf on the Moon. Images by telescope.




We see an area of the Mare Nubium on which we distinguish some small but distinct craters through a telescope. They are Wolf (25 km), Nicollet (15 km) and Birt (17 km). Of the three, Wolf is interesting. The flooded crater has a heart shaped drawing aspect. Its edge is not continuous, but is interrupted south.

You have to keep in mind, that the images are inverted, as seen through a telescope. So the cardinal points are also reversed.

East of Wolf, is Nicollet (left), a funnel-shaped crater as Birt, which is east of Nicollet.

In this area there are several craters almost completely covered by lava that can be seen only through an astronomical telescope.

For example, the West's Wolf, observe a crater, like I drew a circle on the Moon. It's a satellite crater of Wolf, Wolf T (27 km). It has such an aspect was almost completely covered by lava (Gould (34 km) and Opelt (49 km) are two other similar craters south of Wolf).

And to the west, is the terminal, the boundary between light and darkness, where we find Bullialdus (61 km) crater and Bullialdus A (26 km) and B (21 km). All are filled with darkness.




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, 24 July 2014

De La Rue and Strabo craters on the Moon.





Observed in these images a little north-east of the Moon. In the center is a crater that we rarely discussed until now, namely De La Rue (136 km). It does not appear to be circular, but this is due to the phase that gives this aspect. However, the southwest wall is entirely absent, but continues down the west side, looking like an extension.

Its edge is very destroyed. On the floor, there are three small but distinct satellite craters. One is isolated and larger, called De La Rue J (14 km), and the other two are joined, located on the eastern floor.

Northeast of De La Rue, is the crater Strabo (55 km), now flooded by darkness and northwest is Thales (32 km).

It is difficult to see De La Rue with binoculars, although it is not small, butthis is due to the position on the Moon, and because it is a crater edge affected, even destroyed, which makes it the best to be located through an astronomical telescope.




Age Moon: 17 days
Phase: 93% (0% = New, 100% = full)
Distance: 394.960 km



Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 31/12/2012
Location: Baia Mare, Romania
Processing: FastStone Image Viewer


Wednesday, 23 July 2014

Astronomical phenomena August 2014




Opportunities for observation for August 2014:


04 august 2014 - Moon-Saturn occultationSaturn 0.0 ° N of Moon at 12:54.

10 august 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 20:09 GMT +2.

10 august 2014 - Moon reaches perigee, the closest point to Earth (356,897 km from Earth) at 19:44 GMT +2.

12.13 august 2014 - Perseid meteor shower.   Perseids are one of the best meteor showers that produce up to 60 meteors per hour at their peak hours. Radiant point is in the constellation Perseus, and the meteors originates from the tail of Swift-Tuttle Comet.Find a place away from city lights and look to the northeast after midnight.The moon will block some meteors this year, but Perseids are so bright and large that it should be a good show.

18 august 2014 - Conjunction of Venus and Jupiter. Conjunctions are rare events in which two or more objects appear very close in the night sky. The two bright planets will come unusually close to each other, only a quarter of a degree on the sky in the early morning. Also, Beehive star cluster in the constellation Cancer will be only 1 degree away. Look to the east just before sunrise.

24 august 2014 - Moon at apogee. Luna reaches the farthest point from Earth (406,523 km from Earth) at 08:10 GMT +2.

25 august 2014 - New Moon. Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 16:13 GMT +2.


29 august 2014 - Neptune oppositionNeptune will be the closest to Earth and its face will be fully illuminated by the Sun. An opposition is when a planet is at an elongation of 180 ° and thus appears opposite to the Sun in the sky. This is the best time to observe Neptune. Due to its distance, it will only appear as a tiny blue dot.

31 august 2014 -Moon-Saturn occultation. Saturn 0.4 ° ​​N of Moon at 9:21 GMT +2.






 
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