Hi, What's the proper way to clean my Celestron Dob's mirror (8")? It's gone 7 years without a cleaning and it's quite grimey -Not simply dusty. Thank you, -RS

A "Micro Earthquake" (magnitude 2.0) was felt over a wide portion of eastern Maryland at 09:22:43 EST on Wednesday, February 23, 2005. It was followed by two...

Last night was clear! I wielded Excalibur on a homemade alt-az in the Colosseum. All of the first 45 Messier objects (in the order suggested by Don Machholz)...

VIRGO HI 21 is all gas and no light. At least that's what Jodrell Bank, Arecibo and a host of astronomers seem to think. Sure we've heard of ghost galaxies...

His distortions deliberately rip at the new series 5000 eyepieces. Find them here (log in...

Well, it aint pretty but at least it's there! Tempel 1 imaged with a Canon 10D DSLR + 4" refractor. Comet estimated at around magnitude +15. Moonlight and a...

10^40 watts of gamma rays is pretty hot. NASA and ESA announced today that they had seen the brightest explosion in recorded history 12/27/04 in Sagittarius....

"Red planet had life, may still have" "Hints of life on Mars are getting stronger," said Vittorio Formisano, whose team found methane and formaldehyde on...

it's one thing to killfile someone, it's another to killfile someone just to see idiots reply without trimming their groups.

It is a fact that the Chinese economy is growing at 10% a year relative to the united states and with it labor costs. It is also a fact that the US is trying...

Bonjour, Les éphémérides du mois osnt online à la page http://astrosurf.com/skylover/ephemerides/index.htm bonne lecture.... Best Greetings From...

Hi all, Here is my last shot of Saturn : http://astrosurf.com/lepine/eso/saturn02252005 Best regards,

The American Association of Amateur Astronomers is pleased to announce updates to its Constellation Home Page. We have made updates to the pages covering many...

Mars: latest images Glacial, volcanic and fluvial activity www.passpoirt.net

Hi, I've realized a mosaïc of an almost full moon (only 6 hours before). Low turbulence and good seeing for snapshot. 65 individual frames, taken with a...

I keep running into these "custom" or kernal filters in Photoshop and other programs but, try as I might, I have been unable to find good tutorials as to how...

I had planed on going to the corner tonight, to save my sore arm, I picked the Stargazer Steve Dob and got it ready, even loaded it into the car. I had a good...

Hi to all, I have just uploaded some new images to my site. All of them but one are taken on film, here is the direct...

PC wrote in message: I am looking for an "Extremely Clear Sky" forcast and current conditions report. Dear PC, This is what I...

Does anyone know why 20/20 Telescopes has discontinued the sale of the Johnsonian Type V Equatorial Platform? www.johnsonian.com still lists them as their...