How would I clean a main mirror in a Dobsonian telescope?

Oct 28, 2007 by Honestly | Posted in Astronomy & Space

Question: I bought an 8" Dob at a garage cut-price and the main mirror is rather dusty. I don't want to risk messing up the alignment but I unusually want to clean it up.

Answer: The austere rule for cleaning a mirror in a reflecting telescope is DONT. The coatings on the replication are very delicate and easy to damage. Dust isn't a big deal. If the reflection is absolutely filthy then you will probably have to clean it but only if it is extremely soiled.

Arkalius | Oct 29, 2007

Unboxing the Sky-Watcher 8 inch dobsonian

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How to Buy a Telescope : Telescope Buying Guide: Dobsonian Mounts

Dobsonian shorten mounts are commonly used for reflecting telescopes or Newtonian telescopes. Learn about Dobsonian mounts for telescopes in ...

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by tomcatling

The figure for Saturn remains in your Friend's extended 80mm (bezel, bezel not) is the division respond because the eyepiece is of doubtful value and has a very urban landscape lawn care. However, 40 seconds does not seem super high like a grasshopper. At 70X in my 10 "date of birth, Saturn girding for the possibility at least that we eat on the heart, and follow-up is incredibly simple to me, even if it takes a little work. Last month I been in Arizona with my 10 "Date of birth and have been qualified behind Saturn at 250X.The purchase of a reflector and then buy the tools needed polishing, you are missing a blank for the middle of polishing with a convex curve to the alliance as its representative or distribution will have different thicknesses in the way of improve resulting in a horrible when you try parabolize it is not sticky. Then you miss the asphalt and polishing cerium oxide or red. Then you must create or buy a Foucault (two sub to announce at least) platform of the probe and learn to enter the shadow seen in the mantle on the echo....

What is a good Dobsonian telescope for less than $500?

by admin

This is a virtuous evaluation plan. You have several ways to optimize, I shall unfold.

1. I am ruling out tracking. At this honorarium focus there is no solid variant for tracking that includes optics.

2. I am NOT ruling out a digital computer. It’s very keen to have something to succour you jaunt the sky.

3. I am enduring in overlook that the "comes with" malarkey, remarkably the eyepieces, aren’t always the overwhelm.

4. I am rational about new prices, but you should Extremely bear in mind buying utilized. I saw a 10 inch dob on Astromart for $300 not too hanker ago and it doesn’t get any elevate surpass than that.

In all cases I am recommending Orion over other alternatives such as Hardin. It has moral name acknowledgement and less ill resale value (do sign up with Astromart, one in good time always fee of $12). People pay the dough in part because ebay is well known for ripoffs and chicanery: I saw an ebay prime mover for bargain-priced in Montreal, tried to furnish to go up and buy it and take it, only to locate that the true same gizmo had been sold in England earlier, same pictures, same genus, everything.

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accommodations (very congenial) and had a spectacular night of viewing the skies thru the Rancho Hidalgo's 30-inch Dobsonian space on March 15th. ...

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Orion StarShoot II Penetrating Space CCD Monochrome Spitting image Camera through a Orion StarBlast 4.5 Imaging Reflector Guidescope mounted on an Orion XT-10 SkyQuest Reflector with an Atlas EQ-G Mount. Using Proverb DL Essentials (M-31)