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What did you do to your Scope/Mount Today?

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#4201 Michael Covington

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Posted 17 February 2019 - 05:02 PM

 

 

p.s. Someone really needs to make a tool with the same characteristics of a finger nail (My hands hurt while I'm typing this). Maybe a hard nylon rounded scraper? 

 

Plastic spudger, used in cell phone repair.  Deliberately not hard enough to scratch things.

https://www.amazon.com/dp/B071JXDJWT
 

Wooden sticks used by people who paint fingernails.


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#4202 Augustus

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Posted 17 February 2019 - 08:50 PM

Got home and put the C8 on the triangle tripod and wedge. The setup is actually quite light now - moveable in one piece - unlike the old Wedgepod.

 

DEC drive arrives Tuesday and I still need one of those orange 50mm finderscopes.....

 

triangletripods.jpg


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#4203 clamchip

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Posted 17 February 2019 - 09:00 PM

I once weighed the difference between sand-cast and later die-cast:

 

Sand-cast tripod 11-1/2 lbs

''        "   telescope 25 lbs

 

Die-cast tripod 8-1/2 lbs

"        "    telescope 19-1/2 lbs

 

8-1/2 lb difference

 

Robert


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#4204 Augustus

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Posted 17 February 2019 - 09:04 PM

I once weighed the difference between sand-cast and later die-cast:

 

Sand-cast tripod 11-1/2 lbs

''        "   telescope 25 lbs

 

Die-cast tripod 8-1/2 lbs

"        "    telescope 19-1/2 lbs

 

8-1/2 lb difference

 

Robert

It's a die-cast tripod, but it seems stable enough and I don't know how long I'd be searching for a sandcast tripod. I'm happy.


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#4205 Vesper818

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Posted 17 February 2019 - 10:31 PM

How ya feeling, Zane?

#4206 Augustus

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Posted 18 February 2019 - 01:04 PM

How ya feeling, Zane?

Better, although getting back home has been a nightmare.



#4207 mic1970

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Posted 18 February 2019 - 01:07 PM

I broke down a broke 90mm Mak to salvage the mirror.  I'm new to ATM.  I thought I could use it for a newt, but found out I will have to grind it down.  That is ok, been wanting to try that out. 

 

PS.... anyone have a thread on taking the mirror off a blank?



#4208 photoracer18

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Posted 18 February 2019 - 04:10 PM

Yeah I have owned 4 Losmandy mounts and I like them, but I have turned into a retro lover since I have gotten older. Simple and accurate is what I like now. I have owned three A-P mounts all pre-goto. I used to like looking at the AP706 Marty had under his 8" AP scope at Company 7 years ago.

Well finally found someone who wanted to sell me an Accutrack #2118A dual axis drive corrector. Should be the right one for the Schaefer mount as both have a kind of DIN type connector on the DEC cables. And while I am at it I decided to go ahead and start repairing the ones I can fix, depending on parts (mostly Vogel Digitraks).

Anyone with a single axis mount scope like an RV-6/8 or early smaller Meade RG mount scopes without the tangent arm DEC I have, I think, 3 single axis drive correctors that have Lunar, Solar, and sidereal rate switches plus fast/slow buttons that I can probably sell off. These correctors run off DC so they will allow the RA drive to work in the field off any DC power source. One also has an AC drive cable and a 2 button remote handset. One of these would have been perfect back in 1963 when I had an RV-6. I added a manual tangent arm DEC to mine but would have loved to have had a Lunar rate drive corrector in the RA when I was doing lunar imaging.


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#4209 Vesper818

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Posted 18 February 2019 - 04:22 PM

First rainless day in a month. I'm out in the sunshine, emptying rainwater out of pots, and pulling up old outdoor carpet in observatory area to make room for some improvements...
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#4210 Garyth64

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Posted 18 February 2019 - 04:52 PM

I broke down a broke 90mm Mak to salvage the mirror.  I'm new to ATM.  I thought I could use it for a newt, but found out I will have to grind it down.  That is ok, been wanting to try that out. 

 

PS.... anyone have a thread on taking the mirror off a blank?

Sure you could strip off the old coating, and change the fl. of the mirror, but for almost the same amount of energy and time, you could do a 4¼" or a 6" mirror.


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#4211 mic1970

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Posted 18 February 2019 - 05:51 PM

Yea... I'm torn.  I have scopes, so I just want a small long focal length newt for moon and planets; more fun then practical.  At F12-15, need to keep it short enough not to become a sail.  So debating mirror to length.  I got exited until I realized on another thread I was being a dumbarse thinking I could use this mirror.  Not a total loss, I have much better understanding of how a mak works.   

Sure you could strip off the old coating, and change the fl. of the mirror, but for almost the same amount of energy and time, you could do a 4¼" or a 6" mirror.



#4212 CHASLX200

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Posted 18 February 2019 - 06:49 PM

I've always used a red-dot to get me in the neighborhood, and a RACI with a higher-than-normal mag EP - which of course means a smaller FOV - to find my target - and anything as bright as a Messier shows up at least a bit, so it puts me right in line for the big scope. 

The Telrad and finder work good together.


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#4213 Marc-Andre

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Posted 19 February 2019 - 11:10 AM

I received a Tower (early sears) #6335 in November 2016.  Finally started the clean-up yesterday.  This may take a while. I also have an extra set of the finder rings from a salvaged and parted 6339 OTA.  I experimented and discovered that they would hold my 1958 Monolux 40mm f20 OTA. 

 

Pieces cleaned.

 

DSC03417.JPG

 

2016 photos.

 

DSC02270 - Copy.JPG

 

DSC02271 - Copy.JPG

 

DSC02273 - Copy.JPG

 

 


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#4214 Bomber Bob

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Posted 19 February 2019 - 08:22 PM

Lens Cleaning - Peroxide Soak

 

Tasco 7TE5 Lens S05 (Peroxide Soak).jpg

 

I'm working on the lens from a Tasco 7TE-5 that belongs to a fellow CN member.  It had spider mold on all 4 surfaces, so after the first wash, I'll soak it overnight in hydrogen peroxide.  It won't undo any etching to the coatings and/or glass, but it'll kill the wee leedle beasties, and stop them from spreading.  The red marks on the edge are where I mark the original spacer positions -- in case they come off in the bath!

 

Definitely a Royal lens:  It had an edge alignment mark similar to my Lafayette Galactic.


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#4215 Marc-Andre

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Posted 19 February 2019 - 09:35 PM

Lens Cleaning - Peroxide Soak

 

attachicon.gif Tasco 7TE5 Lens S05 (Peroxide Soak).jpg

 

I'm working on the lens from a Tasco 7TE-5 that belongs to a fellow CN member.  It had spider mold on all 4 surfaces, so after the first wash, I'll soak it overnight in hydrogen peroxide.  It won't undo any etching to the coatings and/or glass, but it'll kill the wee leedle beasties, and stop them from spreading.  The red marks on the edge are where I mark the original spacer positions -- in case they come off in the bath!

 

Definitely a Royal lens:  It had an edge alignment mark similar to my Lafayette Galactic.

Are you using the 3% antiseptic?



#4216 Bomber Bob

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Posted 19 February 2019 - 09:59 PM

It's the 6% solution, but I dilute it with water down to about 4%.

 

Just checked the tub.  After 2 hours, the organisms are gone; but, I can still see their "outlines" in the coatings.  Both inner faces (R2 & R3) were the worst, and that's where the shadows are...


Edited by Bomber Bob, 19 February 2019 - 10:07 PM.

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#4217 Bomber Bob

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Posted 20 February 2019 - 11:32 AM

After a rinse this morning, the ghosts are very faint, and shouldn't hurt the views.  No damage to the glass, and that's a good thing.

 

I plan on running the lens through my DPAC rig tomorrow night.  If it's like all the other Royal Astro achromats I've tested, I'll see thin, black, ramrod straight bars.

 

(It's tough to get decent pix of the mold & such, even when the elements are apart, and I have light reflecting off of each.)


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#4218 terraclarke

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Posted 20 February 2019 - 01:03 PM

A non-astro restoration hobby of mine is restoring vintage kerosene lamps, and an old toothbrush and some toothpaste cuts right through the crud.   The toothpaste is very mildly abrasive, and speeds the process along.  Baking powder works, too, and some comet-type tub and sink powder is even more abrasively powerful, but has some tendency to produce a mat finish instead of a shine.  All need a way to rinse them off, though, and usually I scrub while rinsing.
some hardware stores sell miniature wire brushes with brass bristles in a couple of stiffnesses, that get right into threads.
a set of cheap dentists' picks also usually has a couple of hook-things and a couple of flatter-blade scraper tools.  They are real handy for getting into tight corners.


And you’ll be all set when the big EMP hits around election time! wink.gif
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#4219 licata

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Posted 20 February 2019 - 05:10 PM

I cleaned up the second of three Edmund Scientific mounts. Pic is yesterday's.

Topic Here:

https://www.cloudyni...museum-project/

 

Tony

Attached Thumbnails

  • 20190219_221429.jpg

Edited by licata, 20 February 2019 - 05:11 PM.

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#4220 roscoe

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Posted 20 February 2019 - 06:20 PM

And you’ll be all set when the big EMP hits around election time! wink.gif

or next time there's a windstorm, like a few weeks ago, which took out power to most of the area for 9 hours here....

 

PS...for real fun, google 'starfish prime'   I, compliments of the USCG, spent 14 months on Sand Island, Johnston Atoll (LORAN navigational radio station) in 1969-70.

 

Read both the Wikipedia and Discover mag links.....

 

I can tell you lots more..... but not on a public forum.....  Maybe at Stellafane.....


Edited by roscoe, 20 February 2019 - 06:30 PM.

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#4221 Bomber Bob

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Posted 20 February 2019 - 08:28 PM

A clean Royal jewel:

 

Tasco 7TE5 Lens S07 (Post-Cleaning).jpg

 

Andy Warhol version to show a bit of the Newton Rings:

 

Tasco 7TE5 Lens S26 (Newton Rings).jpg

 

Like every other Royal Astro lens I've tested, this Tasco has a perfectly symmetrical pattern.


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#4222 Bomber Bob

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Posted 20 February 2019 - 08:41 PM

Goto + Edmund??

 

This weekend I'm gonna test the Goto 106 EQ on the Edmund 4's wood tripod:

 

Edmund 4 - OTA Done (Mounted) S04.jpg

 

My 451 has a fixed-height tripod, and I really like that set up for carrying heavy loads.  If it works, I'll redo the legs like the Eagle tripod I use with a Polaris -- same chrome chain, and same Minwax "Gunstock" stain:

 

JaegerMeister on Polaris Eagle S02.jpg

 

Has anyone put waterproof tips on these Edmund tripods?  I'm gonna look into that to protect the 60+ year old wood.


Edited by Bomber Bob, 20 February 2019 - 08:43 PM.

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#4223 Kasmos

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Posted 22 February 2019 - 12:55 AM

I've been making objective dust caps.

The slightly smaller black one is for the cell when stored in the box.

The work in progress is obviously for the dew shield. 

One of my pet peeves are telescopes that store without their dew shields and no lens cap is provided.

Counting this one, I have four like that.

I'll explain my secret exotic composite technique sometime in the Soligor thread.

Dust-Caps.jpg

The Rustoleum semi-gloss black sprayed so nice it got me thinking of restoring a couple of the eyepieces from the Penncrest,

but now I might paint them different colors like the ones from Sears. 

Penncrest-Eyes.jpg

I'll probably never use these, but I want the kit to be complete.


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#4224 mic1970

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Posted 22 February 2019 - 08:55 AM

I day dreamed about my desktop pipe mount while stuck in my cubical for 10 hours.  lol.gif lol.gif lol.gif


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#4225 TOM KIEHL

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Posted 22 February 2019 - 09:29 AM

I've been making objective dust caps.

I'll explain my secret exotic composite technique sometime in the Soligor thread.

drool5.gif 4.gif


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