I found a seller on eBay that sells 20# lots of Hydo-Stone and uses USPS Flat Rate boxes to ship. The cost is $10.95 plus $9.85 shipping for a total of $20.80...
Sounds to me like you've caught the ATM Bug, it's serious but not untreatable. Luckily you seem to have found the correct medicine. The grits you mentioned are...
Hello Jack You might want to check out http://www.ajstelescopeworkshop.ca/. If I'm getting the right place in mapquest, he's located just north of Montreal....
The school kid is facing a problem. Incomplete contact. Only on outer 1 cm of mirror tool. Centre of mirror is deeper than edge. Focal length is longer (3m)...
I live in Toronto and have not had problems ordering stuff from the States. William Bell is good, I've had good luck with Newport Glass (phone in your order,...
Hello all, I wanted to ask if anyone has seen the thr Raptor Project? The "Smart" telescope array using telescopes from around the world to watch some...
I have been invited, and will participate in an ATM workshop in Turkey. The workshop is sponsored by Istanbul Kultur Universitesi (Istanbul Culture University)...
I've just acquired a used 4" Astronomics refractor, and the coating on the plano-convex field lens is about half gone. I know that polishing will totally ...
Lahore Omer offered me a ride in his car to Rohtas. This was a great help. To enable me to easily stay awake all night at Rohtas, I planned to keep awake on...
i hate to sound dumb but when using a pipe cap or tin can tool (a la Tom at got grit) for initial hogging, what stroke to use? c-o-c with no over hang?...
... i hate to sound dumb but when using a pipe cap or tin can tool (a la Tom at got grit) for initial hogging, what stroke to use? c-o-c with no over hang? ...
"a" Hello... I just love to travel with you on Google Earth. I have looked up the key locations for your trip to Rohas and I am learning more about your...
Ken I enjoyed reading your reply. Thank you Buddy. Yes Tahir is a common name but this was a much younger Tahir. Yes the last family name is a little jumbled...
I have a 12.5" mirror which is 1" thick. I want to build a Dob which is fairly traditional with a rectangular mirror box that I can store the secondary cage...
Hi Tom, I have used silicone adhesive, slings (also double), piano wires and bearing supports. I went from sling to piano wires because I was going to use an ...
I will appreciate receiving help on how to include video clips into text messages. I have seen many sites with text containing images which have triangle...
Hi Guys I'm a complete noob to astronomy and and wondering if my observations re setting up the finderscope would seem to be accurate. What I'm finding is that...
Yes, for daytime setup, choose an object off in the distance. Very close objects will be slightly off centre compared to something at infinity. Once aligned,...
My 20 inch f/3.6 computerized Dobsonian is finished. Information and pictures shown at http://members.ziggo.nl/jhm.vangastel/Astronomy/shorty/f3.6.htm . Jan ...
Thx Tim So from that I gather whatever I use terrestrially will only give me a rough alignment as it were with the more accurate alignment done later on a...
Hi Guys Just a quick Q re realistic expectations re the kind of detail I might expect from a 76mm (mirror) newtonian style telescope. I gather I wont make out ...
Don't sell that small aperture short. If the mirror is a good one you'll see Saturn's Ring, bands on Jupiter and a grand amount of detail in the moon. Many...
Saturn's rings should be visible. Right now, they are hard because they are nearly edge on to both the Earth, and to the Sun. With a bit more magnification...
Hi Tony Thx for the advice. My apeture is around 114mm but my lenses may be the poorer quality ones as far as I know, i.e. H20, H12.5, and SR4 lenses. I'm...
Hi Mark Thx also for the advice. I suspect Galelao could sketch better than me tho. Hell, even my stick figures are terrible LOL. I'm gathering even with my ...
Yes, upgrading to some decent oculars will make a difference. Get yourself a 0.95" to 1-1/4" adapter so you can use standard size oculars. It will really help...
Hi Guys As I don't have a car but cycle everywhere I was wondering re recommendations for a so called grab and go telescope. I do have a trailer for the...
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