In article Min Ph.D. wrote: Daniel Joseph Min Continued (ab)use...

Hi All, Just curious what people use for 35mm film (for those that still use a manual camera and not CCD)? Do you use different films for different purposes...

What is your max high power your using? How's it lookin'? Details please!!! Thanks! Orion --- Outgoing mail is certified Virus Free. Checked by AVG...

Hi, I currently have a 4" 'cheap&noname' reflector, which brought me safely into this exiting hobby :-) Now, I need more aperture (!) :-) but since I live...

I saw a nonmoving circular flash in the SSW sky at approximately 40deg above horizontal at 11:27PM CST on Saturday . I have seen alot of meteors and a few...

Last night, after a month hiatus, I finally got out to my observatory to peek at things and found my C-11 was severely out of collimation. This the first Texas...

The package says: "Ideal for eyeglass lenses, camera lenses, BINOCULARS (let's throw telescopes in here), microscopes, and other delicate surfaces." Is it...

Living in a climate where just walking around can get you seriously dehydrated, I've found that Emer'gen-C by Alacer really helps. I've been reading posts...

Does anyone have an idea for an alternative to those expensive vibration suppression pads? I thought of some dense rubber, but I looked for a thick sheet of...

Does anyone know what is involved to change the parallel interface to USB on MX7C. Factory change or dealer change?

Ref: http://spaceweather.com/ AURORA WATCH: High-latitude sky watchers should be alert for auroras on July 16th when Earth might enter a solar wind...

15" f5 StarSplitter: First Light Observer: Tom Trusock NELM: Mag 3.5 – Mag 4. Moon Phase: Full Equipment: 15" StarSplitter F5 (Swayze), Paracorr – EFL...

...and will be bringing me a "telescope" to look at, let alone to look through. He paid twenty dollars for it...somewhere...and could not answer when I asked,...

There are potential "scalpers" regarding this title, particularly within Amazon.com. One fellow wants $60+ for his copy. I just received mine straight from...

My other thread called "Prism Diagonal Anti Chromatic Aberration Effect" has such bad choice of words that some readers may misunderstood what I mean. Of...

I read that in a 90 degrees prism diagonal. Chromatic aberrations are almost cancelled. I'd like to know to what extend it is true and what is the rule. For...

"GoldfishPanda" wrote in message ... I have a Orion StarMax...

Hi everybody. I'm new to this newsgroup and my first message is a request for hints. I have a Vixen Super Polaris equatorial mount, bought second-hand, which...

The Shortest Session Ever... NELM 4.5-5 (observed in twilight) Sky Conditions: Clear, Rain, Clear, Rain, Moon Equipment: 15" F5 StarSplitter (Swayze),...

Dear Astronomy Experts I was standing outside, and saw the North star. I remember the photos of stars rotating around, but I do not know which direction. My...