Hi Gerry, thanks for the reply. Oddly, I cant seem to get your double cluster to open full resolution, just the 20k preview image. Ed ... a very ... Cluster...
Hi all...happy new year 2003! has anyone out there had success in viewing the horsehead with the flt 110?....i am using pentax 14, 21 and 28's with a h bata...
been going thru my huge pile of emails :> Noticed this image and I must say that it is very good! It shows huge amount of detail. Very nicely framed. No flats...
It's pretty hard to view the Horsehead in anything under about 10" aperture. Seeing conditions also being a big factor due to the low surface brightness and...
Kent Gittings
kent@...
Jan 2, 2003 7:27 pm
1587
Hi, Is anyone using a Mac to control their GT-1 mount? i cannot get mine to work with the ss2k controller. Any help appreciated! Morgan...
Hi Group, I noticed there is a 4" extension tube that screws into the focuser of the WO110mm refractor. Does this extension tube come with the scope and do you...
Hi Group, Well I took the plunge and ordered the WO110mm today and hopefully it will arrive by next Friday and the weather will co-operate. I would like to...
Hi Chris, Comgratulations on your choice. I am new to astronomy, but after a little feedback from this group & a discussion with my retailer, I also took the...
... From: Jim Faller <jrf77@...> To: William-Optics@yahoogroups.com Sent: Tuesday, January 07, 2003 8:27 PM Subject: [William-Optics] Re: Ordered my new...
... today ... the Toronto area. Weather permitting I hope to try ccd and film imaging. I also recently purchased a Denkmeyer binoviewer for use with this...
Hi Chris & Martin, There are now 4 of us in the GTA that I am aware of. There is another Jim who is also a member of this group. I assume that we all ...
great pictures! Whats the specs on the 105. I've been looking at the 110 it seems like an instrument I could live with ;) Thanks for sharing david David Rinnan...
Nice Job Greg especially like the Rosette and M100 and companions. Jim Bielaga ... From: <gpyros@...> To: <William-Optics@yahoogroups.com> Sent: Thursday,...
Jim Bielaga
jimb@...
Jan 9, 2003 9:12 pm
1597
Very nice images, Greg! Looks like you went pretty deep on the Orion and M100 shots. What were the exposure times? Orion looks a tad purple to me, especially...
David: Thanks! The 105 is an f/6.2 APO air-spaced triplet. It isn't made anymore, it has been replaced with the 110mm oil-spaced. From what I hear, there...
... Very nice images, nice looking setup, Greg. I am pretty sure it's a TMB 105 triplet in your 105 f/6.2. So, while WYO isn't making them anymore, there are a...
Hi, Paul! Thanks! I know the Orion colors are off a bit - I was constantly stopping and restarting the sequence due to clouds moving through, and so I had to...
Hi Group, I noticed there was some talk about the 105mm refractor and I saw some pictures showing the extension tube (remove it when binoviewing for a barlow...
I don't know about actual use but technically an oil spaced triplet has several advantages. One is that compared to an air-spaced one it eliminates 4...
Kent Gittings
kent@...
Jan 10, 2003 2:21 pm
1603
Hi kent, sorry to correct you 1, a oilspacest lens needs same good glas and same good polishing as an airspacest, ask Roland Christen, he will confirm it to...
Sorry to correct you also. Regardless of what Roland says there are quite a few optical engineers around some having more technical experience and training...
Kent Gittings
kent@...
Jan 10, 2003 3:58 pm
1605
Hi Kent, okay if you are in USA you can send it easy to Roland, but whats doing the guys around the world ? For them its maybe a big trouble to do it, due...
... today ... refractor ... in ... use ... maybe ... but ... their ... without ... come ... of ... three ... etc ... ccd ... make an ... later. ... after ... ...
Chris, another possibility is to use two dovetail plates mounted on the C9.25 OTA -- one for mounting it onto G11 saddle plate and the other, on top, for...
... This ... plate ... Hi Paul, Thanks for the tip, I will look into this type of set up. Do you use a binoviewer and if so, do you know if it can reach focus...
... airspacest, ask Roland Christen, he will confirm it to you ... very difficult to measure that ... was already prooved for Zeiss, Aries and even for AP...
Hi Yuri, take the catalogous and check out the transmission of the used glas per 10 mm thickness and you will find out that only the glas eats about 1.5% ~ 2 %...
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