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Topics: 483

483 Topics

5970 Posts

Last post Re: 90mm Doublets?
by pakarinen View the latest post
Wed Mar 22, 2023 1:24 pm
Mounts
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Subforums: Celestron mounts, Explore Scientific mounts, iOptron mounts, Meade mounts, Orion mounts, Skywatcher mounts, Other brands of mounts
Topics: 334

334 Topics

2615 Posts

Last post Re: AZ-EQ5 Vs EQ6-R Power Que…
by chris_g View the latest post
Tue Mar 21, 2023 6:24 pm

Active topics

Replies

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Last post

Telescope Mount Payload Capacity

Last post by SkyHiker « Sat Jul 17, 2021 6:02 pm
Replies: 18
by JayTee » Tue Jun 11, 2019 11:38 am

First post

I found this spreadsheet a while back, can't remember where so I can't cite it, but it is publicly accessible info.

Anyway, here's the spreadsheet....

Last post

The Losmandy G11 is listed in the spreadsheet as having 30 lbs. AP capacity. The Losmandy website says it's 60 lbs. for AP, which I believe because I...

18 Replies

41641 Views

Last post by SkyHiker
Sat Jul 17, 2021 6:02 pm
Achromat Vs Semi-APO Vs APO - What's The Difference?

Last post by Bigzmey « Sat Jun 26, 2021 11:32 pm
Replies: 59
by JayTee » Sat Aug 17, 2019 9:58 pm
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First post

The notion for this article hit me this morning as I was perusing my email Astro-Ads .

I thought this topic would be a relatively easy define and go...

Last post

but I love to hear about other people experiences with 6 fracs.

Some economic priced Skywatcher refractors have no push-pull screws. I had a...
59 Replies

66782 Views

Last post by Bigzmey
Sat Jun 26, 2021 11:32 pm
90mm Doublets?

Last post by pakarinen « Wed Mar 22, 2023 1:24 pm
Replies: 11
by pakarinen » Mon Mar 20, 2023 6:06 pm

First post

I see 90mm triplets for sale all over the place and several 90mm achros, but no 90EDs. Any reason why there aren't any doublets? Too much overlap...

Last post

Borg 90. And there is/was one for sale on AM. Unfortunately, I don't have that much dinero in the astro budget right now.

11 Replies

87 Views

Last post by pakarinen
Wed Mar 22, 2023 1:24 pm
John Dobson / building telescopes

Last post by Makuser « Wed Mar 22, 2023 12:25 pm
Replies: 3
by Frankskywatcher » Wed Mar 22, 2023 2:15 am

First post

John Dobson a man so far ahead of his time.

Last post

Hi Frank. John Dobson was a master craftsman and his concept of a rocker box at the bottom for a Newtonian reflector made larger telescopes...

3 Replies

35 Views

Last post by Makuser
Wed Mar 22, 2023 12:25 pm
AZ-EQ5 Vs EQ6-R Power Questions

Last post by chris_g « Tue Mar 21, 2023 6:24 pm
Replies: 3
by chris_g » Fri Jan 06, 2023 3:38 am

First post

Hello all,

My new batteries have power meters on them and show in real time how many watts are being pulled. Any idea why the AZ-EQ5 would pull 11...

Last post

Since I put the AZ-EQ5 on a regulated DC port, I haven't had any issues with it...

3 Replies

165 Views

Last post by chris_g
Tue Mar 21, 2023 6:24 pm
Orion SynScan Firmware Update Problems

Last post by KathyNS « Sun Mar 19, 2023 10:35 pm
Replies: 3
by BuddyM » Sun Mar 19, 2023 6:04 pm

First post

I've had and enjoyed my Orion 12 goto SkyQuest Dob (with SynScan 4) for a few years now, and have not had any problems until I updated the SynScan...

Last post

That was it! I mistakenly had the Longitude set to East. So many thanks!

Glad to help! :)

3 Replies

35 Views

Last post by KathyNS
Sun Mar 19, 2023 10:35 pm
Bresser Photo Mount

Last post by Lady Fraktor « Thu Mar 16, 2023 4:47 am
Replies: 3
by brenski » Thu Mar 02, 2023 5:58 pm

First post

Hoping someone can help with this. I've just grabbed a

BRESSER Photo Mount from ebay.:

However, I now need to source some rechargeable...

Last post

Did you check to make sure everything was engaged/ connected properly?
If wanting remote power you could use a 12v jump pack with a stepdown...

3 Replies

74 Views

Last post by Lady Fraktor
Thu Mar 16, 2023 4:47 am
Your refractor - let's see it

Last post by chris_g « Wed Mar 15, 2023 8:38 pm
Replies: 145
by Nakedgun » Sat Feb 13, 2021 8:41 pm
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First post

My Pocket Borg, looking for power:

IMGP5552 - Copy.JPG

Last post

Looks as though you have a scope room like I do.

Actually, it's my office off the back of my house, it's become my observatory control. I also...
145 Replies

49580 Views

Last post by chris_g
Wed Mar 15, 2023 8:38 pm
Third refractor to almost matching two same refractors

Last post by TareqPhoto « Fri Mar 10, 2023 11:31 pm
Replies: 7
by TareqPhoto » Wed Jan 04, 2023 10:38 pm

First post

Hi all and happy new year,

For this year i will try to minimize my buying of gear but finalize or finish what is missing from last 2 years of...

Last post

Ive had couple of glasses of wine so this is stream of consciousness thing

Irrelevant, keep this away from the topic :mrgreen: :lol:

7 Replies

176 Views

Last post by TareqPhoto
Fri Mar 10, 2023 11:31 pm
ts 125mm refractor .

Last post by pakarinen « Fri Mar 10, 2023 11:08 pm
Replies: 3
by messier 111 » Thu Mar 09, 2023 12:43 am

First post

hi all ,
Has anyone used this telescope before?
TS-Optics PhotoLine 125mm f/7.8 FPL53 Lanthanum Apo - 2.5 Focuser .

if so, I would like to have your...

Last post

I've read some positive reviews, but have no hands-on experience with it.

thank you,
same thing for me, but I took a chance to see if any member...

3 Replies

64 Views

Last post by pakarinen
Fri Mar 10, 2023 11:08 pm
Beginners Telescope

Last post by chris_g « Wed Mar 08, 2023 10:11 pm
Replies: 9
by BRT » Wed Mar 08, 2023 12:50 am

First post

I am just starting in telescopes and would like to know what a good beginners telescope would be.

Thsnks!

mod edited, please do not post personal...

Last post

With an interest in Lunar and planetary, that's why I recommended the Orion XT8.
Maximize aperture over electronics.
At $650 it's on the low end of...

9 Replies

112 Views

Last post by chris_g
Wed Mar 08, 2023 10:11 pm
Catseye upgrade

Last post by UkDave « Sun Feb 26, 2023 9:49 am

by UkDave » Sun Feb 26, 2023 9:49 am

Has anyone upgraded their 8” f5 Newtonian to be used with the cateseye system if so do you think it was worth doing , thoughts please .

Regards Dave

0 Replies

47 Views

Last post by UkDave
Sun Feb 26, 2023 9:49 am
Celestron SS80

Last post by Bigzmey « Sun Feb 26, 2023 12:32 am
Replies: 4
by LDW47 » Tue Jan 24, 2023 3:54 pm

First post

Has anyone made or boughten a dew shield for the 25-30 yr.old Celestron SS80, what they called a spotting scope ? It looks like a refractor with a...

Last post

Basically, I wrap the foam sheet around the scope so it makes a slightly conical tube with wider end out. Then, mark where the ends overlay. Take it...

4 Replies

126 Views

Last post by Bigzmey
Sun Feb 26, 2023 12:32 am
Shortest Slew Path

Last post by JayTee « Wed Feb 22, 2023 9:47 pm
Replies: 21
by hatflyer » Tue Feb 21, 2023 11:06 pm
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First post

I use NINA and EQMOD, with a SW AZ-GTi.

When I slew from 1 location to another that is just 10 degrees to the west, the scope instead slews 350 to...

Last post

It sounds like you are getting your alignment nomenclature a bit confused. Remember that there are two types of alignments traditionally needed with...
21 Replies

282 Views

Last post by JayTee
Wed Feb 22, 2023 9:47 pm
I have a dilemma and your opinion is requested.

Last post by Lady Fraktor « Tue Feb 21, 2023 7:45 pm
Replies: 27
by messier 111 » Wed Feb 01, 2023 2:06 am
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First post

hi all,
I need your opinion.
I am looking for a refractor between 115mm and 130mm.
I am looking for a very high quality refractor.
I only do visuals,...

Last post

Excellent news Jean-Yves!
I hope you have many enjoyable evenings with it :)
27 Replies

538 Views

Last post by Lady Fraktor
Tue Feb 21, 2023 7:45 pm
Yet another mount issue.

Last post by AstroBee « Thu Feb 16, 2023 9:34 pm
Replies: 26
by Jnicholes » Fri Feb 10, 2023 3:52 am
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2
First post

Hi everyone,

Once again, I have a mount issue. In fact, I have finally noticed a pattern with it.

Let me give you the rundown. I do an auto two...

Last post

Everyone has given you some great advice so I'll just summarize a few things for you that have been mentioned already by others and a few pointers I...
26 Replies

332 Views

Last post by AstroBee
Thu Feb 16, 2023 9:34 pm
Telescope Rings for Starfinder 12.5"

Last post by johnyjf « Sat Feb 11, 2023 7:00 pm
Replies: 1
by johnyjf » Sat Feb 11, 2023 5:13 pm

First post

I have just purchased a Meade Starfinder 12.5 OTA. The Focuser is rubbish but I have a replacement in process. I would like to use this scope with an...

Last post

I just found the right thing on Orion Optics UK website, ordered and all. So ignore this request please!

1 Replies

57 Views

Last post by johnyjf
Sat Feb 11, 2023 7:00 pm
Fitting and EQ5 Synscan GoTO on a Vixen GPDX

Last post by johnyjf « Sun Feb 05, 2023 2:05 pm

by johnyjf » Sun Feb 05, 2023 2:05 pm

I bought the Synscan Upgrade for my GPDX after checking that it would fit. I am not having much luck around fitting the RA motor and Power...

0 Replies

56 Views

Last post by johnyjf
Sun Feb 05, 2023 2:05 pm
Meade 5000 102ED F7 eyepiece compatability?

Last post by Lady Fraktor « Thu Feb 02, 2023 7:09 pm
Replies: 20
by johnyjf » Fri Jan 20, 2023 10:18 am
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2
First post

I just recently purchased the above scope, it is in very good used condition. I have an issue with it that seems difficult to resolve. Basicially it...

Last post

It likely will not make things worse but you may require a extension tube (or two) for reaching outward focus.
Is the Baader drawtube longer or...
20 Replies

315 Views

Last post by Lady Fraktor
Thu Feb 02, 2023 7:09 pm
C8 CG5 OTA Discontinued!?

Last post by Bigzmey « Thu Feb 02, 2023 1:58 am
Replies: 10
by Ylem » Thu Jan 26, 2023 4:25 pm

First post

I was considering replacing the C6 that rides on my SE with an 8 or deforking the Celestar (which I don't really want to do).

But it appears it has...

Last post

Yes, I was aware the CGE model was always available, just the CG5/Vixen was discontinued.

I just always assumed (as a visual only observer) that the...

10 Replies

177 Views

Last post by Bigzmey
Thu Feb 02, 2023 1:58 am
Skywatcher 102 f/5 Startravel, review and first light.

Last post by Lady Fraktor « Wed Feb 01, 2023 5:55 am
Replies: 10
by John Baars » Tue Jan 31, 2023 4:45 pm

First post

Skywatcher Startravel 102 f/5 First Light.

Background

In December 2022, there was a number of times when I grabbed my grabngo 102mm Maksutov on...

Last post

A very nice report John, I am glad you are enjoying the new grabngo setup :)

10 Replies

259 Views

Last post by Lady Fraktor
Wed Feb 01, 2023 5:55 am
Harmonic mounts and payload capacity Pegasus NYX-101

Last post by chris_g « Sat Jan 28, 2023 7:37 pm
Replies: 3
by chris_g » Fri Jan 27, 2023 6:19 am

First post

Anyone know if these types of mounts are limited to the 50% payload capacity or even better yet have any experience using one?

I've seen one now...

Last post

There are multiple threads on the pros/ cons of these mounts on CN

Thank you for the reminder of CN, I usually only go there for the classifieds. :)...

3 Replies

198 Views

Last post by chris_g
Sat Jan 28, 2023 7:37 pm
The Unitron 9 inch, a visit.

Last post by Unitron48 « Thu Jan 26, 2023 2:15 pm
Replies: 19
by John Baars » Sat Dec 12, 2020 11:42 pm

First post

In 2018 I visited the University of Delft, Netherlands, the place where the largest known Unitron in the world was restored. Six miles from where I...

Last post

Just received the latest from Alex (Model 900 caretaker):

Hi Dave,
So another year later, no progress at all here. Damaged dome due of the flood...

19 Replies

9962 Views

Last post by Unitron48
Thu Jan 26, 2023 2:15 pm
About Buying Used 8SE - What to look for?

Last post by Lady Fraktor « Wed Jan 25, 2023 7:14 pm
Replies: 7
by gbravetti » Mon Jan 23, 2023 2:32 pm

First post

Hi,

I'm thinking of buying a used Celestron Nexstar 8SE, and btw I'm pretty new to reflector telescopes.

I won't be able to perform an extensive...

Last post

Running at a lower speed also helps longevity of the motors as they have to produce a lot of torque when starting and stopping a mount slew

7 Replies

198 Views

Last post by Lady Fraktor
Wed Jan 25, 2023 7:14 pm
Classic? Vintage?

Last post by LDW47 « Wed Jan 25, 2023 2:30 am
Replies: 9
by mcolbert » Sat May 25, 2019 8:22 am

First post

I'm a little hazy of the whole vintage or classic idea. :). So, to begin with what do we call classic and or vintage?

What might be some of the...

Last post

My understanding from some pretty experienced, long time astronomers, from other respected sites, was that the consensus was a scope over 25 years...

9 Replies

8066 Views

Last post by LDW47
Wed Jan 25, 2023 2:30 am

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