Question about Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS

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Loose dirt on mirror Meade Lx6

Hi,

I recently started taking CCD pictures with modified web cam and picked up some particle spots in the frames (same spots on all pictures) I presume that its dust on the mirror of the scope. How do I fix this?

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Nope, the dust is on the webcam sensor. The telescope mirror is too far away to influence the image. Most modified cameras have no window to keep dust off the sensor's cover. A camera lens cleaning brush works fine. Also, some cameras have 'hot pixels' that are defects in the sensor, and are permanent.

Posted on Jun 27, 2008

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Posted on Jan 02, 2017

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A small brown spot is on all of the pictures I've taken starting today. Looked back at pictures from last week and didn't see it. Same place all pictures, both lens.


Hiit is simple dust particles. I can let you know by very simple tip. But unfortunately I can not describe in word everything. First thing you can try is that you can you ear know remover or squeeze blower. Set the camera at ccd cleaning mode.(not auto mode) See front inside of mirror box when mirror goes up, you can recognize the brown spot. Blow with the blower. Other method is I can not expain everything.

Jun 03, 2011 | Nikon D40x Digital Camera

1 Answer

How would i go about taking pictures through this telescope?


Either using eyepiece projection and or by using a web cam and or a ccd camera.

http://www.stargazing.net/Astroman/Craters.html

http://www.astronomics.com/main/product.asp/catalog_name/astronomics/category_name/K49JT7XW30VE8G6FWFPL4A3C54/product_id/1321

http://www.astro.shoregalaxy.com/webcam_astro.htm

http://www.meade.com/dsi/

May 20, 2011 | Meade ETX-125PE (500 x 127mm) Telescope

1 Answer

Would like to capture video through polaris eq-d


You can take short exposure images or a video movie using a web cam. Then use software to pick the best frames and stack them.

Here are several web sites to get you going.

http://www.astro.shoregalaxy.com/webcam_astro.htm

http://www.orion-xt10.com/philips-spc900nc-webcam.html

Mar 14, 2010 | Meade Polaris 114EQ-D (36 x 114mm)...

1 Answer

Where, and how much, can I find a 4.5 mirror for a Meade telescope


Meade will not sell you a mirror- most likely. Other than buying a brand new mirror which will be expensive try looking on Craigslist for a 4.5 inch scope for sale CHEAP and take the mirror out of it.

Here is the Meade customer service web site you can also try here:

http://www.meade.com/support/index.html


Jan 29, 2010 | Meade StarQuest 60AZ-DE Telescope

1 Answer

Grey "dust spots" on screen and on pictures


Hi,

on the surface of the CCD, that's a picture sensor chip, inside the zoomunit there will some contamination such as dust or an other particle
The ccd surface must be cleaned by an camera repair center

regards Rob NL

Apr 30, 2009 | Cameras

1 Answer

CAMERA IS THREE MONTHS OLD. ON MY LAST OUTING I NOTICED A PERFECT CIRCLE SPOT ONLY IN SHOTS OF THE SKY. THE SPOT IS IN THE IDENTICAL PLACE ON ALL SKY SHOT PHOTOS NO MATTER WHAT FOCAL LENGHT IS USED. THE...


If you have another lens, switch it and take some shots of the sky. If the spot is gone, it probably was the lens that needs cleaning/servicing. However, it's more likely that there's dirt on your CCD. On your camera's menu, select mirror lockup/clean CCD (I can't remember the exact terminology but you get the idea).

After you select that, the mirror will stay up. Remove the lens and you'll see that the CCD is now exposed. Use a blower (don't use your mouth to blow as you will end up with spit in the camera) to clear out any dust/debris on the CCD. Don't touch the CCD.

Turn off the camera and you'll hear the mirror go back down. Re-attach your lens and try some shots.

Apr 13, 2009 | Canon EOS 40D Digital Camera with 28-135mm...

1 Answer

LX6 motor Drive issues


Go to this web site and look at the disassemble pictures and see if you forgot to connect everything properly.
http://jan.eaglecreekobservatory.org/

Oct 07, 2008 | Meade 8" LX90 LNT Schmidt Cassegrain...

1 Answer

Canon EOS 300D Loose primary mirror


Absolutely. Glue away. These mirrors of course in no way effect image quality, but you still want to be careful with the glue, and make sure the mirror stays aligned so it's free to flip up.
Hope this helps

.

Jul 06, 2008 | Canon Digital Rebel / EOS-300D Digital...

2 Answers

Actually, its NOT about an LX90, but rather my Meade LX6 10", f/6.3 scope...whos hand controller is displaying error messages from the encoders on power up. Can you help me? Great scooe, recent...


The motors have encoder wheels, that pulse when the motor turns, to tell the computer that everything is OK, and to indicate its position. If the wheel is loose on the shaft, then errors are indicated. A second point of error, is dirt in the wheel slots that disturb the sensing, or the optical pickup is bad.

Apr 25, 2008 | Meade 8" LX90 LNT Schmidt Cassegrain...

4 Answers

Pentax K100D DSLR


The interface IC ( between the main CPU and the CCD sensor ) seems faulty . Camera should go to the Pentax agents unfortunately.

Sep 02, 2007 | Pentax K100D Digital Camera

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