... My brother, who always takes things to the nth degree, fills his tires with nitrogen, claims it reduces leakage. Since a nitrogen molecule is quite a bit...
Hello Group, http://www.atscope.com.au/laser/100mwfinder.jpg The AP refractors in the foreground were just for show :) Cheers Peter Ward P.S. I wonder if the...
Aloha... it's great to be back in the saddle and playing in the sun again, even if only for a few days (then back to work... sigh!) I ran more tests with the...
Nitrogen was in the newspaper today too. It apparently saves about 1% per year in gasoline. My wife and I use about 800 gallons per year which so call it 8...
In a message dated 8/1/2006 7:19:10 AM Central Daylight Time, ... That's a neat picture. Rolando [Non-text portions of this message have been removed]...
My AP 152 mm. already gets 24 mpg. Ken Richmond ... From: gnowellsct To: ap-ug@yahoogroups.com Sent: Tuesday, August 01, 2006 1:01 PM Subject: [ap-ug] Re:...
Does anybody happen to know the O.D. of the Traveler's tube? I was just curious if one would fit in the Takahashi 114mm clamshell tube holder. Thanks, Kurt...
This is just too good not to post on our AP newsgroup: http://www.starimager.com/Image%20Gallery%20Pages/Hydrogen%20Alpha%20Images/m8 _m20_ic4685.htm [Non-text...
Hi Roland, That's a nice wide-field shot. I prefer the halpha monochrome or natural color shots to most of those pyscho-delic images that some people like to...
... http://www.starimager.com/Image%20Gallery%20Pages/Hydrogen%20Alpha%20Images/m8 ... Congrats to Dave for this super shot! It also boasts well for the FFC. ...
Rolando, Yes but when will the FFC's be available? How much? Any chance they'll work (albeit not quite to perfection) with the 155 F7's? Regards Peter ... FFC....
... They are already available Peter ... I may be slightly off on the price but it is for around $1500. I am waiting for one to surface on Astromart. ;-) ...
... Just checked ... $1570 per unit and they are camera-dependent which creates a dilemma for me personally since I have the ST-2000XM and at some point I hope...
... The only difference is the adaptor for the unit which is sold seperately for $60. So one could get the unit for the SBIG ST-2000 for $1570, and then when...
In a message dated 8/3/2006 1:36:15 AM Central Daylight Time, ... They will work with any ST camara from Sbig. All you would need to couple it to a smaller ST...
... Roland: Ok a little confusion, perhaps on my part. What 'corrector' was used with Dave Jurasevich's AP160 for the image? Was it your new dedicatd, f5.75...
In a message dated 8/3/2006 11:39:28 AM Central Daylight Time, ... The image was made with an F5.7 TCC (telecompressor-corrector). I am working as we speak on...
Hi all. I think this is my first post on this UG. So as a brief intro let me say that I first got into astronomy when my parents bought me a 60mm refractor as...
In a message dated 8/3/2006 4:33:03 PM Central Daylight Time, ... In-travel and path length are not the same thing. Path lenght is modified by the prism glass...
Hello Roland. As if figuring out Barlow amplifications wasn't enough... So I take it the the effective optical path of the BV is more than 145mm? Can you tell...
Hello Roland, You could simply post some images on the AP web site that show real world results with the TCC and AP155 and see what the market decides ;) ...
In a message dated 8/3/2006 9:00:47 PM Central Daylight Time, ... Good idea. I'll work on it. I have some images that I have taken during my testing, as well...
Sky & Telescope's Beautiful Universe annual is hosting our first Astrophotography contest- prizes include the latest Canon DSLR, software packages and more. ...
Hi Peter, The TCC is not on the website at this time. Since they are available only in very limited supply at this time, we only offered them to the people who...
