I am hoping to get a refractor for astrophotography at some point in the future. Orion has their ED80 which is supposed to be great and is around $500. ...

I tried to post this to a Yahoo group but because of the narrow focus of the groups I belong to, it is deemed an inappropriate subject. So I'll toss it out to...

First off this is not an attempt to start a flame war... I'm looking at the Celestron 9.25 CPC and also the Meade LX200R 8 or 10 inch. All would include...

Hi, Some products from China do indeed have significant value for the $. As a matter of fact, compared to the low cost items out of Japan in the 50's, the...

Terrestrial research wizards such as the deductive expertise of Velikovsky may actually have been on the right set of tracks all along, whereas just having...

I was set up last night by 5pm as the almost total full moon was bright. But I only had two people stop, a man/wife came over and had a look at the moon, he...

I guess my first post never made it, so I will try again. It seems like using an aligned green laser pointer would be an easy way to point your telescope. ...

I've been given some money in my paypal account from revver and am thinking on buying some stuff. I noticed a planisphere at barnes and noble localy that they...

Hi All, Looks like Omega's Galaxy Filters (GCE) are now being offered to the public. They are built by D&G optics. I dug around for some reviews by they...

Large meteorite hits northern Norway A large meteorite struck in northern Norway this week, landing with an impact an astronomer compared to the atomic bomb...

As interested as I am in astronomy, I haven't gone to that many public viewing sites. Each time I do so, however, I learn something very useful and I'd like...

About 5 years ago I bought a TV Pronto and I bought a TV 102 a couple of years ago. In both cases the optics and the fit and finish were absolutely perfect,...

max's curious questions greetings. (0,24) includes neither endpoint. both (0,24] closed on right brackets. this is thoroughly?? covered in university...

A pretty simple intro, mostly for the benefit of those here who already have digital cameras but haven't played around with...

Best I can do is I found a posting on September 15, 1994. does sci.astro.amateur predate that? Matthew Ota

The Hubble Ultra-Deep Field goes between 2.5 z 6. If the simple version of Hubble's law is: D_mpc = zc / H_0 and H_0 is 70 kms, I get: z Mpc B...

Many assume that Copernicus witheld his work due to religious opposition but his actual words written to the Pope prove the opposite.He feared the touch of the...

Up in the mountains without a scope... worse than being down the creek without a paddle.... Arrived in Gatlinburg. Forecast is for clear skies tonight. I...

Well, my Pocket Sky Atlas (from Sky Publishing) arrived a couple of days ago and although it's _far_ too cloudy to use it outdoors, I've enjoyed looking at it...

I just had a thought we always relate the hubble's constant with the age of the universe. But if it so then the farther we look we must see it change. Does it...