Question about Celestron Advanced C9 1/4-S 11045 (555 x 235mm) Telescope

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When using Orion's SSAG, PHD will calibrate in RA, but it will not calibrate in DEC. (the star does not move in DEC when PHD does it's calibration process.) DEC cable maybe?

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It assumes you are in POLAR mode, and polar aligned. Only RA is needed to track the stars.

Posted on Nov 13, 2009

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Hi Joe, My name is also Joe and I just bought a Celestron AstroMaster 114 and need a hand with the elevation,inclination, declination settings(what should my gauges be set to) to star using the unit. Any...


Your DEC is the same as your Latitude--

Right Ascension does not matter for now. Polar Align the scope on the star Polaris-- read this:

http://arnholm.org/astro/polar_alignment/index.html

Once you are polar aligned, rotate the tube to a star in the sky that you KNOW the name of. Look up the Right Ascension of that star on a cell phone app or a laptop planetarium program like this one:
www.stellarium.org

Rotate the RA setting circle so it matches what the phone or laptop indicate. LOCK down the RA circle. Your scope is now adjusted to the sky and you can use the numbers on the DEC and RA to find other objects of known RA & DEC.


www.telescopeman.org
www.telescopeman.us
www.telescopeman.info

Sep 02, 2011 | Celestron AstroMaster 114 AZ (50 x 114mm)...

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Can you describe how to use RA and DEC to find objects. I can find the planets ect....


Once the scope is polar aligned move it to a named star that you can identify. Look up the RA and DEC for that NAMED star in any planetarium phone APP or a laptop running any planetarium software like the free software available at www.stellarium.org

Adjust the circles to MATCH the RA and DEC in the planetarium software, and lock them down.

Now you can use them to find other objects of known RA and DEC.

Apr 21, 2011 | Celestron PowerSeeker 127 EQ 21049 (750 x...

1 Answer

I have a meade lx200gps 10" scope. The ra up is not responing. the down is working only. After initializing and fining north the auto star says stalled motor.


Do a calibrate motors and make sure you are using a separate 12 volt power pack or BRAND NEW internal batteries. All goto scopes work better with smooth, regulated power. The internal batteries will NOT work well for very long.

The Calibrate motors routine adjusts the motors for the power supply being used.

Oct 10, 2010 | Meade LX200GPS Telescope

1 Answer

I have a CPC11GPS telescope that was working the last time I used it, which was 6 months ago. It is in NEW NEW condition. I pulled it out last night, turned it on, allowed the system to align itself using...


The clutch is not engaging in RA. Maybe the gears are not actually meshing together? A loose worm gear?

You can open it up and look and see if anything obvious is loose. Otherwise it's a trip back to Celestron.

Dec 04, 2009 | Celestron Optics

1 Answer

Motor Unit Fault but everything works?


You never said what model you own. If it is a 497 hand controller do a CALIBRATE motors, and make sure you have FRESH batteries, and or use an outside 12 volt power source, like this one.

http://www.astromart.com/articles/article.asp?article_id=87

You will also need a special power cable from Meade.

Sep 16, 2009 | Meade DS-2114 ATS (325 x 114mm) Telescope

1 Answer

Confused with RA setting circle with Orion XT8 Dobsonian


An Orion XT 8 DOB cannot be polar aligned??? The mount is ALT AZ ---

You would need an equatorial platform to polar align. There are no setting circles on a stock XT??

May 16, 2009 | Orion SkyQuest XT8 Dobsonian Telescope

2 Answers

I've made every possible alignment on my 10 inch Meade LX200GPS telescope, training,set-up, calibration, etc...but when I slew to a star....it is ALWAYS very far off in Dec....though RA seems to be well...


You might want to join the following Yahoo group:
http://tech.groups.yahoo.com/group/LX200GPS/

I am not familiar with the LX200, but there are probably folks on the Yahoo group that can help.  The only thing I can think of is if you are using a wedge and the wedge isn't at the correct angle (should match your lattitude).  Or you are not using a wedge and the Meade controller thinks that you are.  But one would think the calibration would solve that.

Apr 26, 2009 | Meade LX200GPS Telescope

1 Answer

LX90 Dec pointing out by 4 degrees over run


Go onto www.cloudynights.com and post this in the LX member forum-- and or go on YAHOO groups and post this in the LX90 forum--

Are you absolutely sure that your TIME and DATE and DAYLIGHT SAVINGS (yes-no) are correct.

On my LX90 the first alignment star is always NOT in the eyepiece but everything is OK once I center both alignment stars.

Feb 02, 2009 | Meade 8" LX90 LNT Schmidt Cassegrain...

1 Answer

RA will not track on Orion Atlas mount


Are you sure it's not actually working (tracking)-- can you hear the motor running?

I would contact Orion and make sure you have a manual for the hand-controller-- it may have a setting that turns tracking on or off.
http://www.telescope.com/control/main/

Nov 14, 2008 | Orion Atlas Mount GoTo Upgrade Kit...

1 Answer

Calibrating & Aligning the Meade 10" LX200 GPS Telescope in the Southern Hemisphere


  1. Do a Calibrate Sensors
  2. Do a Train Drive in RA and also DEC
This makes sure that the scope is calibrated properly.

  1. Do an AUTOMATIC ALIGN
  2. when asked to center star, look for the BRIGHTEST star that is close to the scopes field of view. It will be that star you need to used the arrow keys on to centre it in the scope eyepiece and press enter.
  3. This star can be as much as a HANDS distance away from the centre of view
  4. If you cannot identify the star it is asking you to use, press the SCROLL DOWN key to choose another star, keep doing this until you see a star you recognise.
That's it!

You can also hold down the MODE key for about 4 seconds and scroll through the scope info. Make sure you have the correct location coordinates ( Lat/Long) and the correct time set.

Select a bright object first such as a planet and GOTO it. Once you have manually centered it in the eyepiece, press ENTER and hold it for 6 seconds, the handset will say " Press ENTER to sync", press enter and you have updated the scope with the coordinates of that object.

Oct 20, 2008 | Meade LX200GPS Telescope

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