Jump to content

Stargazers Lounge Uses Cookies

Like most websites, SGL uses cookies in order to deliver a secure, personalised service, to provide social media functions and to analyse our traffic. Continued use of SGL indicates your acceptance of our cookie policy.


Recommended Posts

Hi all, looking for some help please! 🙏 I have a wedge for my 8SE and when using EQ North to align it, it says it is slewing to Vega but ends up all the way over at Polaris!?  Any ideas? 🤞🏻 Thanks in advance! 😊


I have updated the firmware, Mount is pointing at north, have inputted my latitude and longitude, I have tried picking the nearest city too and nothing seems to work! 😟

Share this post

Link to post
Share on other sites

hum I have never used my nextar 8 or nextar8se with wedge...

have u just tried to to slew to vega push alaign? then do 2nd star see if it gets successful and put objects in the ep. that's what really matters

also do u know most gotos when slewing to alignment stars can be off by 5 degree up to 15 or 20 degree?


Share this post

Link to post
Share on other sites

also on the hand controller since you have a wedge put it on eq mode see if that fixes it


Share this post

Link to post
Share on other sites

Does it work properly in alt-az mode (without the wedge)? If it does not, you need to sort that first.

What exactly are you trying to accomplish? I am guessing you have astrophotography in mind, as you certainly do not need the wedge for visual. I have this scope and mount and have found that while the SE is fine as a portable visual mount, it is a pain to use for planetary astrophotography, and as for deep space long exposure astrophotography I think it's about as much use as a three-legged dog (and I don't think a wedge will make it any more suitable).

If you want to do ANY kind of astrophotography with the C8 I strongly recommend you get the right kind of mount for the job - for planetary astrophotography a solid and well-behaved alt-azimuth GoTo, or driven or GoTo equatorial.   For deep-space astrophotography you'd want a solid equatorial mount, but a small refractor and a big equatorial GoTo mount like the HEQ5 or EQ6 would be a better setup.

Share this post

Link to post
Share on other sites

Maybe you have the wrong GPS coordinates in the hand control. I use wedge and follow these procedures.

1) Turn on the telescope
2) Press "ENTER" to get started
3) Select EQ-North
4) Select "two star autoalign"
5) Press BACK to change GPS coordinates
6) Enter coordinates, clock, date  ENTER between each.
7) When asked if you have "daylight saving", select the default time

😎 The hand control asks you to drive to the index mark (on the arm of the telescope)  ENTER

9) The hand control asks you to drive to the meredian (Sideways until it points north)  ENTER
10) The controller selects a star  ENTER and the telescope runs to it
11) Fine tune ENTER fine tune ALIGN
12) The controller selects another star  ENTER and the telescope runs to it
13) Fine tune ENTER fine tune ALIGN

KS - Norway


Share this post

Link to post
Share on other sites

Wrong procedure is the culprit. I also suspect that KS's procedure is for an older or different model. Below is correct for a recent SE model.

The original 'wedge align' instructions in older SE manuals are wrong! Today, the NEW routine is known as an All Star Polar Alignment (ASPA).

Do this if using Nexstar + HC or Starsense HC.....

1. Set OTA at its index marks.

2. Set wedge to your latitude.

3. Move tripod to aim OTA South (if in the Northern Hemisphere). Next time do this first, but it is easier to describe this way around!

This is where your error is occuring.  You should be aiming OTA at its Index Marks at the SOUTH Celestial Equator and not North/Polaris. This fools everybody that has an older instruction manual or look it up on line.  Your mount arm is now leaning North.

If using Starsense HC via <menu> set wedge = yes. To be honest, I can't remember if this step is necessary in the Nexstar + HC. I think not. But I know the rest is correct!

4. Do an EQNorth Align with Nexstar + HC (or Starsense autoalign)

5. Do an All Star Polar Align. All instructions are in HC scrolling window.

This will entail turning wedge knobs to eliminate the Polar Alignment Error (PAE)

6. Repeat EQNorth Align (or Starsense auto-align).

7. You might need to repeat to further converge PAE.

Note that if using CPWI the procedure does differ, follow on screen instructions.

Note also that it is vital your HC and mount firmware is later than December 2018 when the ASPA routine was rewritten from the bottom up. Even if your scope was delivered after that date, it is quite common that firmware might be out of date. 


Share this post

Link to post
Share on other sites

I agree with Noah4x4 which is the latest method and it works fine for me and my Nexstar 6SE. when taking long exposure imaging with my DSLR, typically around 90seconds for closer Deep sky nebula, I normally repeat the process a couple of times to fine tune. I totally disagree with Cosmic Geoff who claims the alt/az setup is unsuitable as I have had very acceptable results without spending £ thousands on top end EQ mounts. my mature advice is to spend time on the set up.. Accurately level mount before carefully going through alignment. My first attempt at deep sky on my new wedge was the Whirlpool galaxy, image attached.




Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Recently Browsing   0 members

    No registered users viewing this page.

  • Similar Content

    • By AstroMuni
      I have a Motor drive for the 130EQ and when I attach and switch it on it drives the RA axis. But once its attached its very difficult to move the OTA in the RA axis manually. Am I missing something? Is there a way to easily couple & decouple the motor so the OTA can be moved manually?
      Is there someone who uses one of these motors who can help me pls.
    • By jamesj01
      Hi everyone - juts purchased my first telescope and am asking for advice on what is best to be seen through this telescope as a starter - have already seen the moon and some distant stars and am comfortable with using all of the eye pieces included. What would anyone recommend?
    • By Matt1981g
      I’m attempting to get back into astronomy, previously owned a 150pl reflector but parted company with it several years ago, I like the idea of a Cassegrain style as one of the big factors Of letting the 150pl go. was storage and transportation of It! I am interested in mostly visual observations but would look to take a few pictures here and there OF planets and easy nebula/DSO., I feel that a Schmidt-Cassegrain would be the best suited, my main stumbling point is should I get the 5 or 6 version. Is the 6 under mounted? And is it worth the extra cash, obviously there’s a higher light gathering power on the 6 but would it be much better than the 5, I see that the % of lens obstruction on the seems high! As the secondary mirror looks to be the same size on both 40% vs 14%! Obstruction by area. Any guidance would be very appreciated. I’m not against the idea of upgrading the mount in the future to a eq5 maybe? But want in usable to start with.
    • By Vortex
      Hello all!
      A question for all you Starsense users out there ...
      When I do an auto align with Starsense, it duly goes through it's routine of moving the scope to different star targets and resolves each one fine (5 targets I believe).  Then it displays on the handset "StarSense Ready".
      At this point the telescope tube is always pointing in some random direction - is this how yours behaves after it finishes alignment ?  Just pointing at the last star it used as a target reference ?
      At this point I usually set my scope to go to it's "HOME" position, but whenever I "GOTO" a target it is never in the scopes eyepiece and I have to manually hunt around for it.  (Using a wide angled eyepiece).
      Should I just "GOTO" a target without going to "HOME" position first, or should it not matter ?
      NB - All this after precise Polar Alignment using Polemaster.
      Grateful for your input
      Many thanks
      Kind Regards
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.