Reflector Telescopes

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Different collimation for f/5 and lower newt?

Last post by Piet Le Roux « Fri Jun 05, 2020 3:24 pm
Replies: 5
by StarLord101 » Thu Jun 04, 2020 9:18 pm

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I picked up an avx mount with the six inch celestron Newtonian reflector. I've done collimation before but it's been years, so I read some guides...

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I picked up an avx mount with the six inch celestron Newtonian reflector. I've done collimation before but it's been years, so I read some guides...

5 Replies

2935 Views

Last post by Piet Le Roux
Fri Jun 05, 2020 3:24 pm
New Diagonal Mirror To Accommodate a 2" focuser

Last post by JayTee « Sun May 31, 2020 2:26 am
Replies: 2
by JayTee » Mon May 18, 2020 3:30 am

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My current Dob scope is an 8 f/7.5 Newt with a 1.25 focuser. I want to upgrade to a 2 focuser but I believe my diagonal is too small. What size...

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UPDATE:

I measured my secondary mirror by guestimate and got 1.44 minor axis diagonal which, according to the online telescope design websites, is...

2 Replies

2001 Views

Last post by JayTee
Sun May 31, 2020 2:26 am
Buying a new telescope, looking for recommendations

Last post by rpdayton « Sat May 30, 2020 5:57 pm
Replies: 20
by rpdayton » Mon May 25, 2020 12:30 pm
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This is a copy-paste from astronomyforums, so apologies if posting both places is frowned upon. I had started this epic journey there several years...

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Thanks.
It is extremely repetitive in the altitude axis now.
I wish I had done this back when it was new.
Thanks again.
20 Replies

6513 Views

Last post by rpdayton
Sat May 30, 2020 5:57 pm
New scope!

Last post by Ylem « Fri May 15, 2020 2:14 pm
Replies: 8
by jazzin » Fri May 15, 2020 2:07 am

First post

UPS brought me a new toy today! :)

More power!

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Congratulations 🎉
8 will attract a good amount of clouds ;)

8 Replies

2751 Views

Last post by Ylem
Fri May 15, 2020 2:14 pm
Apertura 150mm collimation screw length

Last post by astrowolf67 « Sun Apr 19, 2020 12:58 pm
Replies: 2
by astrowolf67 » Mon Apr 13, 2020 8:49 pm

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I'm not sure how popular the Apertura 150mm f/5 OTA is within the community, but, I recently purchased one a couple months ago. For visual use, I had...

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Richard, I needed the extension for visual focusing, on infinity. My 2 nosepiece arrived yesterday, and, I am happy to report, removal of the 1.25 /2...

2 Replies

1853 Views

Last post by astrowolf67
Sun Apr 19, 2020 12:58 pm
New scope a Skywatcher 10 inch Dobs

Last post by Lady Fraktor « Sat Mar 28, 2020 7:58 pm
Replies: 18
by Richard » Thu Jan 30, 2020 2:38 pm

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A hotel near me was being refurbished by a friend of mine and they had a 10 inch Skywatcher telescope , I went to see it , I think it was never used...

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Hopefully you get some good use from it.
3 wheels are usually more stable than 4 as you cannot get a side to side tipping motion by balancing on 2...

18 Replies

4410 Views

Last post by Lady Fraktor
Sat Mar 28, 2020 7:58 pm
New Orion XX12g

Last post by Dragonsfire « Sat Mar 14, 2020 7:07 pm
Replies: 5
by PatrickW » Wed Aug 21, 2019 3:47 pm

First post

Hi All!

Bought an XX12g a couple weeks ago. Have wanted a nice telescope ever since I was a kid...

Here's what I've done and am doing, and I've got...

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Congrats !!

5 Replies

2798 Views

Last post by Dragonsfire
Sat Mar 14, 2020 7:07 pm
Question For Newtonian Telescope Owners

Last post by helicon « Thu Feb 27, 2020 9:49 pm
Replies: 5
by Refractordude » Thu Feb 27, 2020 5:03 am

First post

What is your opinion? Right click the image.

Thanks to you all

Last post

I have noticed that on nights of poor seeing my 6 scope will apparently produce sharper images than my 10 - but this difference is outweighed by the...

5 Replies

3214 Views

Last post by helicon
Thu Feb 27, 2020 9:49 pm
We have bought a new telescope

Last post by turonrambar « Thu Feb 13, 2020 11:21 pm
Replies: 19
by turonrambar » Wed Feb 12, 2020 4:01 am

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Hello forum members,

Bought a new telescope yesterday, it's for Linda, my wife and me.
It is an Orion SkyQuest XX12g GoTo Truss tube Dobsonian...

Last post

But if either of you is handy sewing, one
can be made really easily from any good, sturdy dark fabric.

Yes, Linda made a bag for a LX-200 tripod....

19 Replies

4920 Views

Last post by turonrambar
Thu Feb 13, 2020 11:21 pm
Can my telescope capture the ISS?

Last post by yobbo89 « Mon Feb 10, 2020 5:23 pm
Replies: 9
by StarGazer45 » Mon Feb 10, 2020 3:52 pm

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I have a 76/350 mm reflector telescope, and this night (from 19:25 to 19:35) I'm able to see the ISS. Is it possible to take a picture with the...

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The iss is a challenging task! , it probably will take you several goes to master it, you need to know the right camera exposure settings (write them...

9 Replies

3014 Views

Last post by yobbo89
Mon Feb 10, 2020 5:23 pm
Cleaning the Primary on a Z10

Last post by UlteriorModem « Fri Jan 24, 2020 6:22 pm
Replies: 12
by helicon » Thu Jan 23, 2020 11:24 pm

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Well, after four years I finally did it. I dropped the mirror cell out of the bottom of my Z10 and confronted a dusty mirror. Even though I cover...

Last post

Last night was cloudy so no first light with the freshly cleaned mirror.

Of course what did you expect!

I cleaned the glass on my camera and the...

12 Replies

3748 Views

Last post by UlteriorModem
Fri Jan 24, 2020 6:22 pm
"Classical" Casses?

Last post by pakarinen « Fri Jan 17, 2020 1:54 pm

by pakarinen » Fri Jan 17, 2020 1:54 pm

Anybody have any first-hand experience with the GSO or AT?

0 Replies

1384 Views

Last post by pakarinen
Fri Jan 17, 2020 1:54 pm
Which scope would you buy ?

Last post by JayTee « Fri Jan 10, 2020 12:17 am
Replies: 10
by Xray » Tue Jan 07, 2020 11:41 am

First post

Been getting the itch to get a scope, and I figure I had better scratch it before it goes away ! Was almost settled on a Meade 10 but I think on...

Last post

I hear you. The great thing about going with new equipment is that it is delivered to your door and it is under warranty.

Cheers,
JT

10 Replies

4644 Views

Last post by JayTee
Fri Jan 10, 2020 12:17 am
Celestron 11" EdgeHD Vs. 10" or 12" Dobsonian For DSO

Last post by helicon « Mon Dec 23, 2019 3:19 pm
Replies: 20
by Refractordude » Thu Dec 19, 2019 6:42 pm
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I am not in the market for another telescope at this time. I am asking this question to learn from different opinions. I would choose the EdgeHD with...

Last post

I took a few deep breaths and the bug is still there! What to do, what to do...
20 Replies

10045 Views

Last post by helicon
Mon Dec 23, 2019 3:19 pm
All terrain base plate for 8' dob

Last post by mariosi « Wed Dec 18, 2019 5:08 am
Replies: 10
by mmrmm » Mon Dec 02, 2019 2:08 pm

First post

Hi forum colleagues!

I am waiting to get my 8' dob and I am already foreseeing where to place it to make my first observations.

Problem is that I...

Last post

Hello to all,

Leveling adjustable feet .jpg

Extension adjustable cabinet legs .jpg

Sky-Watcher 10px solid tube .jpg

Marios

10 Replies

4112 Views

Last post by mariosi
Wed Dec 18, 2019 5:08 am
Buying my first telescope!

Last post by starfield « Sat Dec 07, 2019 6:09 pm
Replies: 23
by StarGazer45 » Sun Nov 10, 2019 2:38 pm
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First post

Hello there!

I'm doubting on purchasing my first telescope. It's either the Dobson Advanced X N 203/1200 or the Dobson Advanced X N 254/1250....

Last post

I had an 8 inch dob for years and loved it. Great first scope. Eventually built a 12 inch truss, but I do miss the simplicity of the 8 inch scope....
23 Replies

7612 Views

Last post by starfield
Sat Dec 07, 2019 6:09 pm
Beginner with 4 choices, pls help

Last post by Lady Fraktor « Sun Dec 01, 2019 9:05 pm
Replies: 108
by mmrmm » Thu Nov 28, 2019 4:43 pm
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First post

Hi,

I got the following shortlist from astroshop for Newton with a tripod.

Bresser Telescópio N 130/650 EQ3 Spica
Orion Telescópio N 114/450 EQ-1...

Last post

Is the laser useless without the cap? ;(

Yes and no, if your secondary is positioned properly the laser is quick and accurate.
If your secondary...
108 Replies

33273 Views

Last post by Lady Fraktor
Sun Dec 01, 2019 9:05 pm
12" F5 scope

Last post by TareqPhoto « Mon Oct 28, 2019 8:29 am
Replies: 28
by TareqPhoto » Sat Oct 26, 2019 12:01 am
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First post

Hi again,

Does 12 F5 Newtonian be handled by a mount such as EQ6 only?
Does this kind of scopes suitable for planetary imaging using a Barlow and...

Last post

Thank you very much all
28 Replies

8387 Views

Last post by TareqPhoto
Mon Oct 28, 2019 8:29 am
Henry has done it again !

Last post by Thefatkitty « Mon Oct 28, 2019 12:40 am
Replies: 13
by Don Quixote » Thu Oct 24, 2019 3:15 am

First post

This morning My friend Henry and his lovely wife stopped by my home on their way to a luncheon date. Mrs. Henkmeister has known my mother for years...

Last post

Good hunting buddy! :D

13 Replies

3868 Views

Last post by Thefatkitty
Mon Oct 28, 2019 12:40 am
First scope

Last post by Lady Fraktor « Sat Oct 12, 2019 4:02 am
Replies: 10
by PapaFox » Sat Oct 12, 2019 1:52 am

First post

I'm considering getting this for my grandson's 10th birthday, it would be his first scope. I found it for $111. Just wondering if anyone has any...

Last post

At f/5.5 I would suggest replacing the two Kellner eyepieces with some GSO Plossl, about $35USD each but will work well with the telescope.
If he...

10 Replies

3122 Views

Last post by Lady Fraktor
Sat Oct 12, 2019 4:02 am
Skywatcher 200P-DS or Quattro 8S (CF - but can't find them anywhere!)

Last post by notFritzArgelander « Thu Oct 03, 2019 8:25 pm
Replies: 13
by Jaq1967 » Sun Sep 15, 2019 3:41 pm

First post

Moving up from my Skywatcher 150P (150/750) what would be a big improvement from this scope? Visual and imaging.

Skywatcher 200P-DS or Skywatcher...

Last post

The 190 mak looks nice, are they really coma free? I guess the pro is you don't have to fork out a few hundred for a Corrector, also no star...

13 Replies

5961 Views

Last post by notFritzArgelander
Thu Oct 03, 2019 8:25 pm
130 f5 newts

Last post by Ylem « Sun Sep 29, 2019 2:49 am
Replies: 12
by Ylem » Sat Sep 28, 2019 6:43 pm

First post

I sold mine and really miss it, poor man's APO :)

Does anyone produce an OTA only with a decent metal focuser for sale in the States?

Last post

I have an extender permanently in the Z12, no worries with wobble. I use an AstroTech extension in the 2 GSO focuser. No wobbles. If I were doing...

12 Replies

3859 Views

Last post by Ylem
Sun Sep 29, 2019 2:49 am
Help needed with newer Dob base!

Last post by Larry 1969 « Sat Sep 28, 2019 10:58 pm
Replies: 11
by Larry 1969 » Mon Sep 16, 2019 9:44 pm

First post

Hello!
Some of you may recall I was chasing azimuth play and notchy tracking on my 1 year old Skywatcher 10 collapsible goto dob.
I got it apart and...

Last post

Well, I finally got to test it out Thursday night and all I can say is WOW!
I went from discarding 80% of my 15 - 20 second subs to discarding about...

11 Replies

3250 Views

Last post by Larry 1969
Sat Sep 28, 2019 10:58 pm
Apature fever cured.

Last post by SKEtrip « Mon Sep 16, 2019 3:45 pm
Replies: 8
by Star Rider » Mon Sep 16, 2019 2:48 am

First post

I'm not exactly sure how I got to this website, but anyway...all one would need is some very deep pockets.

Clear skies,
Bob

Last post

But FINANCING IS AVAILABLE...

8 Replies

2630 Views

Last post by SKEtrip
Mon Sep 16, 2019 3:45 pm
Dobsonian mount play?

Last post by Larry 1969 « Sun Sep 15, 2019 4:57 pm
Replies: 26
by Larry 1969 » Sun Sep 01, 2019 2:10 pm
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First post

Hello all!

I wasn't sure where to post this so, since dobs are a popular choice for beginners, here it is!
I purchased my scope new (Skywatcher 10...

Last post

This can't be good either....
My AZ bearing is a plastic disc with steel rollers evenly spaced. This disc is sandwiched between 2 metal discs.
It...
26 Replies

7174 Views

Last post by Larry 1969
Sun Sep 15, 2019 4:57 pm

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Reflector Telescopes

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