I bought a Photon Instruments 127mm achromat through Astromart in late December. The rain, snow, and clouds were essentially continuous until this weekend. Now...

Like many first time telescope purchasers I wanted the most bang for my buck. In my case I decided to go with an 8-inch dobsonian as a starter scope. As every...

I'm looking at the Kendrick astronomy tents, and honestly can't make up my mind between the two. The larger, two-room "Observer" is cheaper than the Shelter...

Well, boys and girls, do we know our alphabet? The subject of this group is spelled A-S-T-T-R-O-N-O-M-Y.

What exactly does it "mean" for an optic to be diffraction limited? Does it mean that the optic is capable of achieving the maximum resolution of its...

Congratulations to Jay McNeil on his discovery of a new nebula near M78. The following is from Brian Skiff of Lowell Observatory: =========== Jay McNeil...

I just looked at the HST image of the Black eye galaxy and they explain that vigorous star formation is occuring where the outer dust and gas shears and mixes...

Saturn's rings are still wide open, which makes for a spectacular view at 388X in my 10-inch Meade Starfinder. It's not a rock steady image at...

Does anyone know Sumihiro Kino****a's current email address or website?

These mounts are basically the same you have one manufacturer then you have a dozen outlets with there own logo how can they all not be the same? My suggestion...

On Thu, 12 Feb 2004 7:19:44 -0600, John Steinberg wrote (in message ): snip It's not likely to see another update...

I recently took advantage of the sale at Orion Telescope and got the following Highlight Plossls. I use them with my XT6. Using the experience of SAA to...

In previous post you may have seen that I sacrifice all luxuries in order to give me enough funds to help the needy. Well I am a hypocrite. I afford myself one...

Reporting from the PMA convention in Las Vegas, Celestron has just unveiled their new 20" Dall-Kirkham Cassegrain on a massive American mount. The scope has...

Hi, Browsing the Orion site shows that they now offer a Pier and pier extension for their Skyview Pro mount. I have a SVP and actually like it quite a bit,...

Why is this -****- being posted to a physics group? Bob Kolker Why are you crossposting your remarks to this **** to a language group? As if we do not...

What's a good source for teflon pads used in building a Dob? I'm using two circular hunks of Formica coated chipboard as the base/rotating assembly.

Al Kelly suggested that he should make a composite image from his LRGB data and my emission line data. So I sent him the data I had taken (raw stacks), and he...

I found Astronomics has an 8 inch Meade LX10 with UHTC on sale for $799. This seems like a really good deal. I've never purchased anything from Astronomics. ...

How does Registax work with dark frames. When I open an avi file, a button appears labeled Make Dark Frames. Three possible file types are given, bmp is one of...