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Friday, 5 February 2016

Venus observed through telescope.

Observing Venus by astronomical telescope has been very difficult due to atmospheric turbulence, but also because of the long distance to our planet at the time. I've never had the intention to post these images but I changed my mind after a careful analysis and I thought it worthwhile.

Weather conditions were not good enough, so it was harder to look for the clearest video frames and undistorted.




Planet: Venus
Distance: 168, 638 mil. Km. (1127 continental United States)
Optics: Celestron C8-Newtonian telescope, Plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 28.01.2012
Location: Baia Mare, Romania
Processing: FastStone Image Viewer


Monday, 1 February 2016

Schiller crater on the west of the Moon.

In this article we turn again to the elongated Schiller crater (180 km) west of the moon. Astronomical telescope was pointed at the area with the camera attached to the eyepiece and from the video I took of the best frames with most important details.

Although Schiller seems to be drawn in these images, it has a length of 179 km and a width of 71 km with a depth of 3.9 km. You can estimate how long is this distance if we report say 2 places on earth, and I give as an example the distance between Baia-Mare city and Turda, which is 176 km.






Magnitude: -12.11
Phase: 0.96
Distance: 401.329 km
Illuminated: 96.2% (0% = New, 100% = Full)

Astronomical instrument: Celestron C8-Newtonian telescope,
Eyepiece: Plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 08.11.2011
Location: Baia Mare, Romania
Processing: FastStone Image Viewer



Saturday, 23 January 2016

Aristarchus and Herodotus on the moon. Images by astronomical telescope.

We are finding here the reflective Aristarchus crater (40 km) on the north-west of the Moon, and the surrounding area.
The lunar region is dominated by a large basin called Oceanus Procellarum and for this reason here are not too many craters as on other parts of the Moon.
As an interesting detail, are "tentacles" that start from Aristarchus, are easily detectable in these photos.
The crater forms a pair with Herodotus (35 km) which is the different brother of Aristarchus its features.
Registax Images are here.


Magnitude: -12.10
Phase: 0.96%
Distance: 402.464 km
Illuminated: 96% (0% = new, 100% = full)

Astronomical Instrument: Celestron C8-Newtonian telescope
Eyepiece: plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX105
Filter: no
Date: 08.11.2011
Location: Baia Mare, Romania
Processing: FastStone Image Viewer


In the picture below are labeled craters and other lunar features in the region. To better understand this photo, you should note that the label with the name or the letter of larger craters could be found at their center, and on the small craters, you should find them around them, usually above.



 
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