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hello
by Melana urianza 03 Sep '04

03 Sep '04

I want info of activities. I'm interested in knowing when the next meterite shower will be. Thanks Mel --------------------------------- Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard.

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RE: [Utah-astronomy] New comet
by Debbie 30 Aug '04

30 Aug '04

Looks like another photo opportunity as it heads towards the Pleaides. Debbie > [Original Message] > From: Chuck Hards <chuckhards(a)yahoo.com> > To: Utah-Astro <utah-astronomy(a)mailman.xmission.com> > Date: 8/29/2004 8:38:14 PM > Subject: [Utah-astronomy] New comet > > Rich, you'll appreciate this one, note what he > discovered it with: > > http://skyandtelescope.com/news/article_1333_1.asp > > > > > > > > _______________________________ > Do you Yahoo!? > Win 1 of 4,000 free domain names from Yahoo! Enter now. > http://promotions.yahoo.com/goldrush > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.utahastronomy.com

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RE: [Utah-astronomy] f/4 or f/5? Why not try...
by Debbie 30 Aug '04

30 Aug '04

If I decide to upgrade, I'll think I'll go with the f/5 version. There is less of a central obstruction with the f/5 than the f/4.5. An f/4 has too much coma and is harder to collimate. The image size is a little bigger with the f/5 version. And the Paracorr is not necessary. For Dave Kriege, the f/5 is a "no brainer". I'm thinking about purchasing a trailer first before upgrading. I want to be able to view with my refractor and my reflector plus have room for sleeping bags and such. The Kolob Reservoir site is about an hour and twenty minutes from my house so I think it is wiser to sleep up there until morning. Debbie ps missed you up at Wolf Creek Pass. It was very cool and confortable up there. I may just head up there next month > [Original Message] > From: David L Bennett <dlbennett(a)mac.com> > To: <utah-astronomy(a)mailman.xmission.com>; Association Utah <uvaa(a)mailman.xmission.com> > Date: 8/30/2004 10:08:30 AM > Subject: [Utah-astronomy] f/4 or f/5? Why not try... > > Why not go for a 16" f/16.5? See the mirror being offered at: > > http://cgi.ebay.com/ws/ > eBayISAPI.dll?ViewItem&category=31745&item=5917131317&rd=1 > > Brent Watson can attest to the benefits of observing from 20 feet off > of the ground. The seeing is always steadier from such heights. Those > with vertigo will stay away so lines for your scope will be shorter. > You can get away with a very small secondary obstruction too and > collimation is a cinch. No need for the correction of Naglers or a > Paracorr either. Of course you need a flatbed to transport both the > tube, counterweight, and extension ladder. > > Remember, look with both eyes for best effect when viewing a first > quarter moon from a dozen steps up the ladder. Those purple crescents > make for a great trip! > > dlb > > > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.utahastronomy.com

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f/4 or f/5? Why not try...
by David L Bennett 30 Aug '04

30 Aug '04

Why not go for a 16" f/16.5? See the mirror being offered at: http://cgi.ebay.com/ws/ eBayISAPI.dll?ViewItem&category=31745&item=5917131317&rd=1 Brent Watson can attest to the benefits of observing from 20 feet off of the ground. The seeing is always steadier from such heights. Those with vertigo will stay away so lines for your scope will be shorter. You can get away with a very small secondary obstruction too and collimation is a cinch. No need for the correction of Naglers or a Paracorr either. Of course you need a flatbed to transport both the tube, counterweight, and extension ladder. Remember, look with both eyes for best effect when viewing a first quarter moon from a dozen steps up the ladder. Those purple crescents make for a great trip! dlb

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New comet
by Chuck Hards 29 Aug '04

29 Aug '04

Rich, you'll appreciate this one, note what he discovered it with: http://skyandtelescope.com/news/article_1333_1.asp _______________________________ Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now. http://promotions.yahoo.com/goldrush

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Re: [Utah-astronomy] telrad mapping tool.
by diveboss＠xmission.com 26 Aug '04

26 Aug '04

> What a perfect 'stocking stuffer' eh!? That's a ways off isn't it? I haven't backed over any nuns lately so my optimistic side is telling me that we could be in for a crap load of clear skies between now and Christmas. I'm pretty sure that somewhere in the world, there is a celebration of some type going on. I think I will purchase one of these little gadgets today in honor of such an occasion. Whatever it is. ;) Thanks for the link Daniel!

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RE: [Utah-astronomy] f/4.5 or f/5
by Debbie 26 Aug '04

26 Aug '04

A 20" would give me a big performance boost over my 15". My friend Jim sold his 20" Starmaster and bought a 25" f/5. Everybody down here loved the 20" and was sorry to see it go. Most of the time we were only on the second step unless near the zenith. That Star Tracker is also nice too. Debbie > [Original Message] > From: John and Lisa Zeigler <john(a)johnstelescopes.com> > To: Utah Astronomy <utah-astronomy(a)mailman.xmission.com> > Date: 8/24/2004 5:24:16 PM > Subject: RE: [Utah-astronomy] f/4.5 or f/5 > > What Diameter are you considering? > > For a 24" scope, I would say F4.5 for the sake of saving the foot higher > up on the ladder I would need to go to look through the eyepiece. For > any size under 16" I do not think that small a difference would matter > much in the height, and certainly not much for the view. > > Lisa Zeigler > www.johnstelescopes.com > www.mirrorkits.com > > > > > -----Original Message----- > From: Debbie [mailto:astrodeb@earthlink.net] > Sent: Tuesday, August 24, 2004 10:34 AM > To: Utah Astronomy > Subject: [Utah-astronomy] f/4.5 or f/5 > > > I was wondering if people would rather have an f/4.5 or an f/5 dobsonian > reflector. I've looked through both and can't see any major difference. > The f/5 scope would be easier to collimate but the f/4.5 would be easier > on my knees. What do you guys/gals think? > > > Debbie > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.utahastronomy.com > > > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.utahastronomy.com

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telrad mapping tool.
by daniel turner 26 Aug '04

26 Aug '04

Guy: Here's a link to the device I told you about last night. http://actonastro.com/ Daniel Turner. __________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. http://promotions.yahoo.com/new_mail

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f/4.5 or f/5
by Debbie 24 Aug '04

24 Aug '04

I was wondering if people would rather have an f/4.5 or an f/5 dobsonian reflector. I've looked through both and can't see any major difference. The f/5 scope would be easier to collimate but the f/4.5 would be easier on my knees. What do you guys/gals think? Debbie

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Re: [Utah-astronomy] f/4.5 or f/5
by Debbie 24 Aug '04

24 Aug '04

Actually, it's going to be cost that is the deciding factor. If I got a good deal on a f/5 scope, I could live with a taller ladder. I just prefer the more comfortable f/4.5 scope. When I'm up 10 feet in the air with a 25", I have a tight grip on the ladder. It's hard to concentrate when I'm worrying about my safety. When I'm more relaxed, I see more detail. At least climbing ladder keeps me warm. Debbie > [Original Message] > From: <diveboss(a)xmission.com> > To: Utah Astronomy <utah-astronomy(a)mailman.xmission.com> > Date: 8/24/2004 11:07:39 AM > Subject: Re: [Utah-astronomy] f/4.5 or f/5 > > Quoting Debbie <astrodeb(a)earthlink.net>: > > > I was wondering if people would rather have an f/4.5 or an f/5 dobsonian > > reflector. I've looked through both and can't see any major difference. > > The f/5 scope would be easier to collimate but the f/4.5 would be easier > > on my knees. What do you guys/gals think? > > > > > > Debbie > > > Debbie, > > Since my knees are still fairly good, then you should go with the scope that > requires the least amount of set up time so I don't have to stand around > waiting to look through it. ;) > > Who cares what others think, pick the scope that is going to provide you the > most comfort at the eyepiece. After all, if your knees hurt so bad that it > cuts your "eyepiece" time short, what good is that? On the other hand, you > may need to show up at the site earlier than normal so that you can take > the necessary time to iron out the optical bugs before the show starts. > Good luck. > > Guy > > > > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.utahastronomy.com

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