Wednesday, April 8, 2009

Ohio Drivers' License

Celestron Nextar 4''SE

Celestron telescopes produce long covering most price ranges, ranging from the XLT to those mentioned for the search with the most advanced EQ mounts and the famous optical tubes with the letter "C" which have long been present in the OBSERVATIONS of amateurs;

I a Celestron Nextar 4''se, the smallest of the NEXT series, which is also composed by SC 5, 6 and 8 inches. The

4''if it is a Maksutov, this means that its focus is higher than his older brother, SC 5''but the diameter of 4''(102mm) is small, this makes the compact optical tube indicated for lunar and planetary observations. With the flip mirror

content in the psteriore OTA you can do comments more comfortable but you can also use a secondary output which can be applied to a junction T2 SLRs.

Aesthetically it's really nice color, glossy bright orange with the words''if Celestron Nextar 4 and a sticker that says XLT (this fact is the treatment of most Celestron optical tubes), it is a compact telephoto, designed to provide good results even if you want to travel and can be easily mounted on a tripod because the tube is small and light and the attack on Dovetail has the appropriate thread.

The mesa is in focus thanks to a knob that acts directly on the primary, the tube has a second knob that operates the flip mirror. Outside is made of steel and aluminum, and meniscus and the mirrors have a color that is closer to violet (due to treatments).

The frame is an ALT-AZ canvases that this has in common with 5'', with the roadside Nextar which has 40,000 objects in memory, a large amount. The frame then presents the Goth and the feature of this mount is the ability to do many types of arrays, objects in the solar system than one star, two star and three steles. In addition, the EQ modes can be set in EQ and EQ-NORTH-SOUTH, so it can pursue both in the northern hemisphere than in the southern hemisphere. The steel tripod is very sturdy and stable PiĆ² extend it a lot but would not recommend it because of the slower to dampen vibration by increasing the size of two sections. You can also look good even on slippery surfaces of punches through the rubber.

arrival is well packed and the tube is already mounted on the arm while the ALT-AZ tripod is closed in a second block, to be fitted with the author who also serves as a door-eye.
The head is very easy to mount on the tripod with 3 screws that you can unscrew to place the canvas (with the head ALT-AZ) on a table, thanks to the rubber feet.

I have the cloth in July 2008 and I noticed a great optical quality, the moon with the eye 25mm is whole and full of detail (with increasing phase is high), with increasing del'ingrandimento craters can be seen very well even if vision is disturbed by atmospheric turbulence.
Jupiter also shows us a few enlargements equatorial bands and the Galilean moons that are always changing position. Unfortunately, the giant wave due to turbulence.
The first deep sky object is the Wild Duck Cluster, nelle'estate 2008, was one that provided more detail, with the 25mm eyepiece the view was beautiful.

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