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Topics - Junee Hunt

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There are several premium dob makers, several astrophotography vendors, more eyepiece brands and series than you can count (with several premium options, not just one or two), many premium scope brands, all kinds of different optical designs to choose from etc.

I guess we should consider ourselves lucky that we have so many choices and that the industry is so competitive

Beginners Forum / Must Go To Amature Astronomy Event
« on: December 29, 2017, 03:20:18 PM »
What is a must go to at least once in a lifetime AA event? One in the US and one out of the country? Thanks in advance!

ATM, Optics and DIY Forum / 6 In. F/10 Open Frame, Planetary & Solar
« on: December 29, 2017, 04:02:25 AM »
Conceptual stage. Acquired the mirror some time ago sight unseen. One of our very best here tested it for me at no charge. The report back was that it was a good mirror. I'm considering a very light weight open frame construction that would accept a shroud. Very low profile 1.25 In friction focuser. 1/2 In. secondary on stalk or two-leg spider. Ability to attach WL filter. I would like to use it on a Versa-Go II (AKA AZ-4) mount, but I may be asking for too much here. An alternative would be an EQ-3. Remember, bare-bones design here with very little weight.

Is the secondary too small?

I would appreciate any input.



Mounts Questions & Expirience / EXOS-2GT Information Thread...
« on: December 28, 2017, 10:45:30 PM »
I'm starting this thread for anyone owning the Explore Scientific (Bresser) EXOS-2GT GEM, or for anyone contemplating getting one. There isn't a single, central repository for information about this mount, such as it's features and how best to set it up and use it. If anyone has one of these mounts, please post up a pic of it, what scope(s) you use on it, as well as any valuable information and experiences about the mount others can find useful (either in using it, or for those contemplating purchasing it).

I'll start it off. Here's my EXOS-2GT with an AR102 on it. I made a custom designed pier extension for mine. I'm just starting to figure out how to use it and I'm stuck in a glacier far up north where when it's warm enough to want to use it, it's cloudy and/or snowing, and when it's clear at night it's also sub-zero temps, so it might be a while before I actually use it outside. I know others who are using it, so please add some info about your EXOS-2GT in this thread.

Beginners Forum / Best Florida Dark Sites - Please help
« on: December 28, 2017, 07:24:21 PM »
Please help and provide me sites in Florida that are superbi'm looking for dark skies and florida is not always giving em - but there are some spots I know

I have a nice portable scope and am looking to hit the road!

i'm in the tampa bay area!

Beginners Forum / Hotech Collminator worth the $$$?
« on: December 27, 2017, 09:08:27 PM »
At $160 bucks, is the crosshair Hotech Collminator worth the price? I have heard from several experienced individuals that this is the one you wanna get??? Would love to save money where I can, wonder if this is one of those areas, but understand the importance of collmination with a dobsonian. collimator

ATM, Optics and DIY Forum / polishing a mirror noise
« on: December 27, 2017, 07:31:55 PM »
Has anyone noticed the swish noise when a mirror is still pitted and being polished? I put my ear closer to it. When the mirror is almost polished out the noise of course is very low. Could be used as a polished out method?

Reflectors Telescopes Forum / GSO 12" and straying collimation
« on: December 27, 2017, 11:49:01 AM »
Hello all,

I have a GSO 12" that seems to move on its collimation when I move from horizontal to zenith. I first tackled the problem by collimating somewhere in the middle and just hoping that it didn't move so much that it was noticeable. When that didn't work worked to find the problem.

I tightened the spider holing the secondary to ridiculous proportions to no avail. I then checked all the secondary screws which were firm and snug.

I finally found some success when I pulled the primary and found that it was moving around in its cell. I shimmed the primary with small pieces of cardboard and this seems to have stopped the primary from moving around and it now holds a tight collimation all the way through its alitutude.

My concern is, I am afraid that I may have introduced some astigmatism to the mirror by doing this. I've made sure the primary holders have some clearance so I'm not really worried about that. So, is it possible to introduce aberrations by shimming the side of the primary, if so, what is preferable, to have a collimation that strays or to introduce the aberrations? If anyone else has ever had this same problem is there any way to fix it without shimming the mirror?

I want to avoid the temptation to fix it until it's broke and since I have no other scopes to compare it to I wonder if I have even caused a problem....ya, I can be OCD about things. ANy thoughts would be appreciated?

Thank you!

Eyepieces Questions & Recommendations / Bought a complete of TV plossls
« on: December 27, 2017, 11:48:21 AM »
Got a complete set of Tele Vue Circle NJ's from the 40mm down to the 7.4. I already have all of them but the 26 and 32mm. So i had to get the whole set to get the very hard to find 26 and 32mm.

Beginners Forum / USA Solar eclipse 2017 - best chance where?
« on: December 24, 2017, 03:51:20 PM »
Hi there!

Next year I am planning to visit the states to find the total solar panel with my loved ones.  In addition, we plan to perform a few national parks while at the states, including the grand canyon.  Our plan would be to be there a total of 10 days.
My question is:
- Where can we have the biggest chance of getting great weather (no clouds) to find the solar panel?  Preferably in the western parts?  (planning to land in Los angeles, forcing thru las vegas/Grand canyon and then going north).

Are there any designated spots which are especially great for this?

Best Wishes,

Beginners Forum / Best portable 12v power supply for field use?
« on: December 24, 2017, 11:24:29 AM »
I've an iOptron PowerWeight, but need an extra portable sealed battery.  Yesterday evening I saw someone using a DieHard car starting battery that has worked nicely for her.Any recommendations?BTW CN has been extremely useful--if expensive!!! --in supplying advice for this noob.  I'm not really a beginner, having possessed several telescopes over a 50 decades or so.  Now I've a reallllly nice rig, a Tak  TSA-102 I bought here on CN, mounted on an iOptron zEQ25.  Again, it was articles on CN that gave me the confidence to purchase this comparatively new mount.So Due to all you CN veterans for all the help given here,

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