Question about Coleman Northstar Dual Fuel Lantern

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My north star lamp keeps going dim then going out even though there is plenty of presure in.

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Have you cleaned the jet.that might solve the problem.

Posted on Nov 25, 2010

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6ya6ya
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Posted on Jan 02, 2017

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2006 chevy express van reset anti theft system?


there may also be a "key chip" that goes under the dash, I have seen those fall out and keep the car from starting (looks kind of like a wide USB fob such as this:
25356510-sxneijxydcsro1nodh24pjva-5-0.jpg

Jan 05, 2015 | Cars & Trucks

Tip

You Just Bought an EQUATORIAL Telescope Mount!


Even though we warned you not to do this, you bought one anyway! Beginners should never buy an EQ telescope mount as their first telescope. It's too late now; so I guess we will need to teach you how to use it!

Equatorial mounts move in a way that seems not to very intuitive. Unlike the easy Alt AZ mount which moves up and down and left and right, the EQ mounted telescope seems to move in TWO dissimilar directions at the same time.

Additionally you must first polar align the mount on the North star Polaris before you can use it. SEE! we told you not to buy it!

Here are the steps to roughly polar align the telescope so you can use it. If it is motorized the single Right Ascension motor will keep the sky object inside the eyepiece for long periods of time. If you do not have a Right Ascension motor, the slow motion RA knob can be slowly turned to keep the sky object centered in the eyepiece.

Begin by leveling the mount and tripod. Move the entire mount and tripod so it is pointing roughly to North, as close as possible using the steps below or a compass. Don't forget to adjust for your magnetic deviation. My location's compass reading is about 5 degrees away from true North. This is called magnetic deviation. You can find your location's deviation on the internet. Then proceed with the steps below.

First, adjust the Declination to the latitude for your observing site. Declination is the angle that the scope is pointing UP, and it's the same as your latitude. For example Dallas, Texas is about 32 degrees North latitude, adjust the scope so the small indicator reads 32 degrees. By the way, the North star in Dallas, TX is about 32 degrees above the horizon. Your latitude matches the elevation of Polaris (the North star) above the horizon.

Second, either look through the polar alignment scope buried in the axis of the telescope mount, or look along side the axis, and get the star Polaris lined up in the cross-hair of the polar alignment scope, or as best you can by looking along the side of the mount axis, or lining it up using your compass.. This will put the scope to within about 3/4 of 1 degree of the TRUE North celestial sphere. This is good enough for VISUAL observation, but NOT good enough to do astro-photography..

Adjust the DECLINATION up or down, and move the entire mount left or right until you can see Polaris as indicated above, or it is lined up as close as possible.

Now you are roughly polar aligned. Now you can move the tube around by loosening the Right Ascension lock, and or the Declination lock until your sky object appears in the small finder scope mounted on top of the main telescope tube.(DO NOT MOVE THE MOUNT, and the counter weight should never be higher than the telescope tube) Lock down the scope in both axis and use the fine adjustment RA and DEC knobs to center the target. Again, DO NOT move the mount or tripod. The mount should still be pointing at Polaris.

This web site illustrates this procedure:
http://www.astronomy.net/articles/4/polaralign.html

also this web site

http://www.telescopes.com/telescopes/polaralignmentarticle.cfm

You should be able to keep an object within the field of view of the eyepiece by slowing turning the Right Ascension slow motion control knob-------- IF you are actually accurately polar aligned. Small adjustments may also be needed with the DEC slow motion knob since you are not exactly polar aligned using this rough alignment technique.

However it can be used successfully for visual observation. Your scope will now track the motion of the stars as they move across the sky.

Hope that helps you!

Clear Skies!
TelescopeMan

www.telescopeman.tumblr.com

on Dec 29, 2009 | Optics

2 Answers

How does a compass always point to due north?


"Due North," by definition, is the direction towards the earth's north pole; or, visually at night, towards Polaris, the north star. Therefore, compasses generally do NOT point towards due North but, rather, point towards "magnetic north," as the other responder described, which is a variably located at some distance from True North, depending upon where the north-locating compass is situated on our planet. In most circumstances magnetic North is close enough so that people are willing to accept it as North in general terms. However, depending on your location, and upon seasonal changes caused by Earth's wobbling rotation (called precession) true North can be many degrees off from magnetic (from your compass's) North. In those cases true North must be determined using declination charts, which will tell you how many degrees to add or subtract on you compass in order to determine true North by the Magnetic North your compass is pointing to. For example, if magnetic North is 10 degrees west of true North at your compass's location (that is, your compass is actually pointing 10 degrees to the "left" of North), then you would correct by considering the +10-degree bearing point on your compass dial as True North--and, likewise, add 10 degrees to any bearing line you happen to determine using your compass. You have one other way of finding True North, which is celestially, by sighting towards the Pole star, aka Polaris, aka the North Star...that is, providing that the sky is UNcloudy and unsunny enough for the star to be visible. Of course, that only works for those located in the morthern hemisphere. Those south of the equator have a "south pole" star but it is not as accurate as Polaris in the northern hemisphere.

Jul 09, 2012 | Camping, Backpacking & Hiking

1 Answer

I have three NEC LT 245 projetors, one of them is dim compared to the others even though all setting are the same. How can I correct this?


check the lamp of the projector. around the filament of the lamp, you might notice dark corrosion building around it. this what normally cause dim image.

May 18, 2011 | NEC LT245 Multimedia Projector

1 Answer

Why does the pilot light keep going out?


Make sure your pilot flame is hitting the thermocoupler. If not then use air to clean pilot port and try again.

May 05, 2010 | Water Heaters

1 Answer

On my 2002 Kia Optima, the rear tires are wearing out on the inside & outside with plenty of tread left in the middle. they have 30 & 31 psi in them


they are under inflated.if the difference is about 1mm then 5psi should do it.poss presure guage is out though.(if you check out the handbook it will give you high speed presures as well as normally loaded.)

Mar 06, 2010 | 2002 Kia Optima

1 Answer

The lamp keeps going out after 10 seconds


Sounds like the lamp is at the end of it's life. If the image has been getting harder to see/dim, I would say it's the lamp.

Oct 07, 2009 | Sanyo Office Equipment & Supplies

1 Answer

Infocus LP840 pcture brightness problem.


Even though the lamp looks bright, most likely it is the problem. My 850 had a similar problem and it was the lamp.


Cheers

Jan 13, 2009 | InFocus LP840 Multimedia Projector

1 Answer

Low level fuel lamp


beleive it or not its more than likely a bad gas cap,pressure in the gas tank is leaking pass the cap,on some cars it makes the check engine light come on

Jul 08, 2008 | 1993 Saab 900

3 Answers

Lamp


red light indicates lamp is expired. even though you get temporary light, the lamp is shot. Try BULBMAN.COM for a new lamp.

Sep 25, 2007 | Toshiba TDP-S20U Multimedia Projector

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