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DEC should be 90° — that puts the scope parallel to the RA axis. The RA coordinate is immaterial; when the DEC is 90°, the scope points in the same direction regardless of RA. What you want is for

Les, I think Brian was thinking NCP but saying Polaris. You are correct about the RA of the NCP of course. -- Chip Louie Chief Daydreamer Imagination Hardware Astropheric Weather Forecast - South

Thanks Brian and Les, From your advice, yes zero and zero is obviously incorrect. However, as a check that things are indeed correctly set, as the CWD position when polar aligned should be pointing at

Totally believable that burn-in testing and reliability go hand in hand... I used to dream of a Spectra-Physics or even a Edmund Scientific HeNe laser for experimentation as a kid, it's really amazing

Brendan The issue is at such low temps the clock freqs are effected. If you start at above freezing, as you desend to -40 you usually are ok. But if you try to start at -40, weird effects happen as

I suggest you try this first with your Gemini-1 and GM8 mount. Unlock your RA clutch knob and rotate RA until the counterweight bar is horizontal. Lock RA there. Loosen the DEC clutch knob. if your

Russ yes what you are doing is correct [email protected]> wrote: -- Brian Brian Valente portfolio brianvalentephotography.com <http://brianvalentephotography.com>

Yes. Let us know if you find a good laser color and power. I bought a few to try and calibrate a grating spectrometer. One started to fade in intensity then died out. That quick wearout was common in

behind the current RA of the meridian, which in turn is continuously changing as the Earth rotates. les you're right, sorry. I meant to say your CWD position, but i clearly mixed a few things up. More

Hmmmm..... I am also new with regards to using a Losmandy (G11G).? I assumed CWD was with the DEC/RA bubble levels 'centered'.? This is how I setup CWD.? Is this correct??? ?When I am finished

Thanks all.

Um, the north celestial pole doesn’t have an RA. That’s the nature of any polar coordinate system. In the CWD position the RA should correspond to 6 hours ahead or behind the current RA of the

Hi Bryn congrats on the new mount. I'll do my best to give you my answers your questions below: *>>>At the CWD position, I assume that the RA and Dec number for this position Should both be zero?* No.

Thanks Michael and Deric for the additional information. The ebay link sure makes that blue beam stand out, almost looks like it would be 1kW instead of 1mW ;) In fact it looks brighter than the

I have used my GM811G in Wisconsin when the outside temperature was -18F; any lower and I'd have had to heat my camera to maintain a -20F sensor temperature! Mid to high teens is nothing - the

Newb question and a bit of background. I hope this is an easy one? But I ask for the collective’s help please as it’s now starting to really frustrate me!! At the CWD position, I assume that the

A quick check of the ICs used in the G2 are rated to -40degrees C...the dspic, the ARM, the serial port ICs...... So yeah its ok in low temps.? Moisture isn't related to altitude but at higher

Hello Tim, For what ever reason several of the weapons mounted laser companies discontinued the development of blue lasers. I dont know what the reason is. Was for cost or longevity over a green laser

You can find many of these different color laser pointers on eBay. Here is one: says 1mW and visible for 9 miles. Not very expensive. You might need to rig up an external battery some how, as I'm sure

It's been a while since I've looked at lasers, but I've always thought more than legal power is needed to see the blue (445nM) beam. Things may have changed in the last 6 to 7 years though. If a laser