It is proposed that a new paradigm for a 2 stage semi-cold Black Hole evaporating Big Bang see: http://home.planet.nl/~vuyk0022/App_Haisch.htm#appendix40 ...

I seem to recall a formula that gives the lowest magnitude for apertures of diameter D, as log something, from the FAQ. (I kept the formula on my second HD,...

I was at the Okie-Tex star party and got a chance to look through several scopes at mars. Of those my 16 F4.5 Meade, 20" F5, 6" AP and lastly a 10" F6...

Category: Amateur Astronomy Amounts: $100 to $500 $100 Answer: Shawn and Mick $200 Answer: Coulter and Dynascope

what is the best way to clean a mirror in a c-14 ? and what to clean it with.

Okay, here's my sob story. I received my Celestron Nexstar 8i with the Starbright SLT coating over a month ago, and the hand controller (HC) was a turkey. I...

Orion is claiming a 98 degree aparrent fov 7X32 binoculars for $119. It advertises a 14 degree fov which does translate into a 98 degree aparrent fov. I've...

From time to time I've read here and elsewhere that TeleVue's service is excellent. I recently found that to be true. I have a visual Paracorr, and due to my...

http://hardinoptical.com/ I called Hardin Optical yesterday afternoon toll-free at (877) 633-8235 and ordered a new 8" Dobsonian for $384 shipped from Oregon...

Following a tip from Spaceweather.com, I got outside around 7:20am and found a nice southern horizon. In the brightening morning twilight, suddenly from just...

Thanks for the alert. I'm cross-posting this on sci.astro.amateur because this indicates a good chance of an aurora in the United States. England is farther...

I should have known that the trip to there on Oct.25th I was planing would have come to a crashing end! Today stated off fine and most of the day it went ok,...

Hi, If you are interested in taking part in an experiment with Electric Thruster Ion Plasma Engine tests onboard ISS check...

I am looking at these star charts as my first "real" set of star charts. There are a number of different versions of this out there and I would love some...

Is this on-topic? Interferometry and crumbling cookies (a favorite late-night snack). More germane than cosmology to some of us! :-) "And that's how the...

I have an ETX 105. It is a wonderful instrument for viewing planetary objects. You can also get a view of some deep sky objects. They are dim and are not...

Greetings group. Recently I posted about my exciting experiences as a (very) newbie amateur astronomer with my newly purchased Orion XT4.5. Living within NYC...

Release 1 From: Collective First Contact Project- DOMA Special Actions Group Location: Theophilus Crater Region Distribution - Earth Internet,...

Hi, I have been working on my "inherited" DS-2130ATE and finally got the altitude drive working and started putting it back together (!). Actually reassembly...

Is there any reason why star-collimation at night via stars seems to be the way most folks are doing it rather than on a small ball/ornament/bearing at an...