BrownBrady

Report: First Light with 12" Sky-Watcher Flextube

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by , 09-16-2013 at 06:48 PM (1491 Views)
I took my 12" Sky-Watcher Flextube to the Durham Region Astronomical Association's dark site last night for the first time and found that the location was a few minutes further and more difficult to get to than Long Sault Conservation.



Moon: With a 75% full moon, it lit up the haze so much that I could not even resolve M31. So I put my shades on and observed the moon instead. The details of the moon's surface at the terminator was spectacular. With a barlowed 7mm (428x), the image was wavering quite a bit, but so incredible. I could resolve the craters and the shadows they cast. It was like hovering over the moon in a spaceship.

Jupiter: I packed up and went to friend's house to watch a boxing match. By the time it was over, it was already 2 AM and I could see Jupiter already. So I setup my telescope right at my front steps to observe it. At 214x, I could resolve the 2 dark stripes and at least 4 moons but again, it was wavering and not focused. At 428x, it was even worse. I was a little disappointed because the view was only marginally better than my Discovery 8 EQ.

M42 Orion Nebula: By 3 AM, I noticed Orion's belt was higher and was above a line of haze. Still struggling with my right-angle viewfinder orientation, I pointed it in the general direction of M42 and started panning the area at 62x. It took 30 minutes and I was about ready to give up, until I noticed a glare from the corner of the FOV. I followed the glare as it got more intense, and then it emerged: The Orion Nebula.

I couldn't believe it that even with all that haze, it was resolving with very good contrast. I noticed at least 2 round voids occupied by stars in the white dust that radiated away from the centre in 180 degree direction. I was so happy that I even woke up my wife to show it to her. Her reaction after seeing it was interesting to me: "you mean that cloud?"



Concerns: Significantly heavier and more awkward to transport than the 8" newt. Altitude adjustment was sticky and tube is bottom-heavy it wants to slew up quite often by itself. No significant proof of improvement over the Discovery 8 EQ thus far.

At 4 AM I packed it in. What a great ending for a mostly disappointing night.
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  1. BrownBrady's Avatar
    Just to follow up, the balance issue has been resolved after I bought a used Orion 9x50 Right-angle Correct Image finderscope. The scope and the bracket provided enough counterweight that the OTA seems perfectly balanced now. The stickiness is now gone.
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