I'm about to buy a mount for my new Stellarvue Nighthawk. I was looking at Orion and was trying to make up my mind between the EQ2, Astroview EQ, and the...

I'm looking at the OPT LX200 Adapter Plate. Is there anything else out there with better features? Thanks. Paul

Yesterday morning the seeing seemed to be good. The Sun revealed a great number of details in the PST. There where filaments, prominences, plage's, and active...

This morning's news said that yesterday a new High Temp was set at the top of Mt. Wilson, 100F and Death Valley had a LOW last night of 104F Now all we need...

Anyone know how to set up a lathe to machine an accurate convex curved surface? Concave is easy but convex is another matter. I want to make a film holder...

In 2003, Tele Vue Mars Type B filter intrigued me but I didn't have the funds to acquire one. http://www.televue.com/engine/page.asp?ID=253 Well this morning,...

....And it was a good one this year, (hard to believe, but this is the FIFTH ANNUAL edition!)with some fantastic submissions. To see 'em, just go...

I recently obtained a webcam and I use a Televue 3x to boost image size. However, I wouldn't really call this vignetting but I see a circle of image brightness...

The Telrad I ordered from Adorama via Amazon.com arrived today. I've got on a temporary mounting arrangement on my refractor, and I'm waiting until...

Gay Yee Hill (818) 354-0344 Jet Propulsion Laboratory, Pasadena, Calif. News Release: 2005-123 July 28, 2005 Spitzer Finds Life Components in Young...

I don't know if anyone else was out last night but the skies over Northern Illinois were transparent and calm. I had an opportunity to get out and use my...

Hello folks, In the past, there was some interest in these forums for raw quartz crystals, so I am posting a bunch for sale here. I'd sell them on e-bay, but...

FOR RELEASE: 2:00 pm (EDT) July 28, 2005 PHOTO NO.: STScI-PRC05-21 HUBBLE PINPOINTS DOOMED STAR THAT EXPLODES AS SUPERNOVA Amidst the glitter of billions...

Got this scope today from Orion. The 150mm Maksutov (made in China). Scope is an F/12. Fit and finish is excellent. The optical coating on the meniscus...

Hello folks, ...let's try again. Mozilla really screwed up the links at the bottom when I posted this a minute ago, so... In the past, there was some...

One lesson I've learned from other hobbies is it's a bad idea to spend too little when entering a new hobby. The very low end of any hobby tends to be...

Clouds parted briefly to view big prom, many time the size of earth, coming around NE limb. Coronado PST pic+earth to scale at...

Hi Everyone, I recently bought a new Meade 102ED scope on a LX650 EQ mount. I've pretty well mastered setup and polar alignment. However, the thing that's...

Comprehensive 13 page article in Sept 05 S&T on the workings of the human eye under night vision and its correction with glasses and lazer treatment. Article...

The white dwarf orbiting Sirius began its life as a blue star with five times the Sun's mass, say astronomers in Arizona and New Mexico. If this blue star...