http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/ The Nets Premier Telescope Making Group Tue, 05 Jan 2010 20:26:58 GMT starryskyn http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10632 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10632 Your tube and mirror can be held together by a mirror cell. This clamps the mirror securely and has legs that fasten to the inside wall of the tube. See: Tue, 05 Jan 2010 20:18:24 GMT exitar01 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10631 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10631 Hey guys, So I've taken the advise of many here on this board and elswhere and have still decided on making my classical cassegrain. This is after looking Tue, 05 Jan 2010 19:18:20 GMT Siyuan Zheng http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10630 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10630 this is my telescope. i have the 9mm eyepice and the 25 mm eyepice. http://www.celestron.com/c3/product.php?CatID=8&ProdID=31 and this is all i got, i don't Tue, 05 Jan 2010 19:18:00 GMT rwiederrich http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10629 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10629 It is true..not everyone has a machine. I was describing how *I* do it. Water drip prevents glass dust. Rob Tue, 05 Jan 2010 19:15:28 GMT Siyuan Zheng http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10628 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10628 if i put this webcam on http://www.celestron.com/c3/product.php?ProdID=354 will it just stays on there, or i need to put something. please give me the web. Sun, 27 Dec 2009 19:40:47 GMT http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10627 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10627 Please , Please remember to trim your posts. Some of the posts have been getting way too long as person after person replys to a question. Also please change Sun, 13 Dec 2009 20:05:18 GMT http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10626 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10626 Please , Please remember to trim your posts. Some of the posts have been getting way too long as person after person replys to a question. Also please change Sun, 06 Dec 2009 23:47:37 GMT pdebaan http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10625 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10625 Not every one has the machines, and be carefull for glass dust, Peter Thu, 03 Dec 2009 19:31:45 GMT pdebaan http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10624 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10624 That sounds like that mirror (or whole telescope)belongs in a astronomy museum, with the story, Thank you Peter Wed, 02 Dec 2009 16:28:56 GMT catboat15@... http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10623 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10623 Yes, it is possible to create a new lap by using the present mirror as a "mold" for making a new pitch lap. If the existing mirror is Pyrex or other heat Wed, 02 Dec 2009 03:47:40 GMT starryskyn http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10622 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10622 A Meade DSI I can be bought used now and then at www.astromart.com, as they are no longer made or in stock. A Canon Rebel DSLR camera is another good choice, Wed, 02 Dec 2009 03:42:29 GMT starryskyn http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10621 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10621 Cast a polishing pitch lap with facets against the face of your mirror. Use a stable substrate like a glass or plaster disk of the same diameter. There are Wed, 02 Dec 2009 03:39:00 GMT bissettwilliam http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10620 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10620 Is it possible to re-polish (ie re-figure)a mirror if you've lost the grinding tool? I ground and polished a 6 inch mirror, and had to put it away for several Wed, 02 Dec 2009 03:38:16 GMT Siyuan http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10619 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10619 i wanted to start taking pictures of the universe. i know that u guys will tell me to join a astronomy club, but i just can't. so what kind of cheap and Tue, 01 Dec 2009 04:29:09 GMT rwiederrich http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10618 http://tech.groups.yahoo.com/group/Make_Your_Own_Telescope/message/10618 Welcome...Personally I use a machine to hog and I ue a diamond cutting blade on its side..using a steal base that my quill fits into. I run my 3 axis Porter