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Everything posted by jetstream
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Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
Exactly my experience actually. -
This is a very good image! I wonder what the lowest temperature is that this camera will work in? I live in Canada with cold temps and just bought this camera for lunar/planetary. It would be nice to be able to play around on some bright DSO without spending many thousands.
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Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
https://stargazerslounge.com/topic/359628-bloated-stars-maybe-uvir-cut-needed/ I guess even TECs need understanding to make them work-star bloat and colour correction with the flattener, which Yuri disputes. -
Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
Same here, SW120ED vs TSA120 except more than 10%...you sure youre not being gentle to the 100ED David? -
Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
All the way down to -39c if we want to be accurate 😀 The AZEQ6 cables are useless and fragile in this weather but I can use it in manual mode. And yes, I've never encountered poor stars or astigmatism, or pinched optics in my TSA120. It not only has great optics - it is also a very tough scope, focuser included. -
Like I said, the views through a big dob make one forget all about obstruction or anything like that. One look at the Veil through my 24" just might convince you Btw the 24" is 19% obstructed and does not twist up under cooldown. On the other hand...a C925 is running around 37% obstruction and with a big corrector to deal with thermally.
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There are many that do the "armchair" mirror analysis using many references of test, zygos, star test and who knows what. The fact is that your scope is showing you so much more than any " high spec" smaller mirror could. I support my statement by de collimating my 24" a good bit and then putting it up against my 15" very well collimated- and yes the 24" still shows more of everything DSO wise. Excellent report Robert and keep up the good work! ps- Stephans Quintet likes good seeing, not just transparency. Under these conditions I use 357x on it with a very good copy of a 7mm KK ortho. This really opens the object up. My 8mm Delos does vg as well.
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Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
I gotta tell ya, I'm very content with the TSA120- I was looking at TEC140s, TOA130 LZOS ,AP130and big 150mm fracs. The desire is not gone for one of these scopes but greatly diminished. I am looking at a Mew180c seriously however. -
This is very interesting- is there some measure of this density? just use more-than?
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@Roy Foreman nice images. I might try my 15" for lunar- do you use an EQ tracker?
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Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
Well the TSA120 ota is a bit heavier-but- I cheat when mounting it. With the rings and dovetail the SW120ED is really close to the bare TSA120 ota. So, about my cheating... I mount the superb Tak clamshell with the ADM Losmandy plate on the mount first and open the clamshell. I then put the TSA120 in the clamshell and close it- super easy for me even now. I didnt get the TOA130 because of its weight, about 27lbs. The Tak 120 is easier to use with its clamshell than the SW120ED and Vixen dovetail-but- this is just my opinion. There is night and day build quality between the 2 scopes. -
Show us your set up in action during the day.
jetstream replied to Nigella Bryant's topic in The Astro Lounge
Yes, the big reflectorys are best left to serious scientific research -
Taks - worth the premium over other brands?
jetstream replied to Jonny_H's topic in Discussions - Scopes / Whole setups
😧 I gotta hurry up and cancel my new order back in a bit