Search the web
Sign In
New User? Sign Up
Chinese_Refractor · This is an open Astromony Forum.
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Show off your group to the world. Share a photo of your group with us.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 23769 - 23799 of 23799   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
23769
In a message dated 10/15/2009 12:52:15 PM Pacific Daylight Time, ... Frank - all in the community are quite welcome to any help this info might provide them....
mhholl@...
m_hollimon
Offline Send Email
Oct 15, 2009
10:26 pm
23770
In a message dated 10/15/2009 3:26:52 PM Pacific Daylight Time, ... Group - in response to the above file reading problem, I have posted the two subject...
mhholl@...
m_hollimon
Offline Send Email
Oct 16, 2009
1:16 am
23771
... Thanks for the write up. I've been meaning to test my 120mm achromat and my 8" reflector. Your write up will save me a bit of trouble with the inital...
rpasken
Offline Send Email
Oct 17, 2009
12:32 am
23772
I found the answer to my particular problem, it is spherical aberration as illustrated on this page - ...
tincanandstring
Offline Send Email
Oct 17, 2009
3:11 am
23773
Frank, Thanks for the link, I just added it to the links section for future reference. David Brooks...
DavidB
z32lunacity
Offline Send Email
Oct 17, 2009
3:46 am
23774
In a message dated 10/16/2009 5:32:24 PM Pacific Daylight Time, ... Hi - you're most welcome to any help the write-up provides. However, WARNING!!!! The...
mhholl@...
m_hollimon
Offline Send Email
Oct 17, 2009
8:18 pm
23775
Meade COL and DSCs on an Orion Dob... Since I need to make a new Dob base anyway, I thought I would try this, just to see if the result would be accurate...
tincanandstring
Offline Send Email
Oct 18, 2009
8:20 pm
23776
Is there an add-on optic or type of eyepiece which can mitigate spherical aberration? Does using a Barlow improve things? Thanks, Frank...
tincanandstring
Offline Send Email
Oct 21, 2009
4:28 am
23777
Can someone suggest a moderately priced 2 inch Barlow which performs well in fast scopes? Thanks, Frank...
tincanandstring
Offline Send Email
Oct 21, 2009
4:33 am
23778
I don't know if they're still available new, but look for an Aries Safix (Spherical Aberration FIX) on Astromart. As long as you have enough backfocus...
focusknobs
Offline Send Email
Oct 21, 2009
5:41 am
23779
Thank you, Lou. $400 is as much as I have paid for any scope I have and I guess I'll just use the scopes I have which do not have this particular malady if I...
tincanandstring
Offline Send Email
Oct 21, 2009
10:50 pm
23781
A couple of times this morning (4-6 AM) I used Sirius as a "focusing aid" since I was trying various Barlow - EP combinations. I got thinking about a...
tincanandstring
Offline Send Email
Oct 22, 2009
12:07 am
23782
I got up a 4 AM and planned to cruise a few favorites before work (this is David B's fault) and watch Saturn rise. I normally would use a Newt, but, for a...
tincanandstring
Offline Send Email
Oct 22, 2009
1:06 am
23783
Frank, Which scope have you been using to attempt the split? A quality refractor is the best choice. I split Sirius with a 90mm last January. It will be...
DavidB
z32lunacity
Offline Send Email
Oct 22, 2009
9:50 pm
23784
Hi Frank, If you think you are observing some softness of focus with your unit, I'd want to be sure it was SA rather than a turned edge that was causing the...
Bill
tedtreibersr
Offline Send Email
Oct 23, 2009
12:12 am
23785
See message 23641 I think it's when posts get too technical that people stop. And just keep hammering on that technicality. I enjoy my 120ST. I get it out when...
weezyrider
Offline Send Email
Nov 2, 2009
3:29 pm
23786
Yea Weezy but it is good to keep up with the new stuff and ideas as they emerge ,Last mnight the views of jupiter were awsome in my ED80 so much detial was...
brian nordstrom
brn_nordstrom
Offline Send Email
Nov 3, 2009
8:22 am
23787
I'm not against new stuff. What I'm saying is new people might be intimidated. I also belong to a refractor group and they had an argument about air spaced and...
weezyrider
Offline Send Email
Nov 3, 2009
3:22 pm
23788
I've had my Orion 120ST for 4 years now, mounted on an alt-azimuth mount. It's a wonderful grab and go scope that provides a nice mix of stunning wide field...
starrcon2000
Offline Send Email
Nov 3, 2009
7:01 pm
23789
Thank you - I see we keep getting new members. I haven't seen any questions about how-to. I was wondering if some that joined might be suffering from a bit of...
weezyrider
Offline Send Email
Nov 4, 2009
3:20 pm
23790
I was just reading the Starry Nights Group. Apparently there was a spat about a post on Mars. One member posted that the argument was way over her head and she...
weezyrider
Offline Send Email
Nov 4, 2009
3:32 pm
23791
I didn't finish the statement from the member of Starry Nights. She didn't feel like she could contribute. Weezy...
weezyrider
Offline Send Email
Nov 4, 2009
3:35 pm
23792
This group is for you guys to post anything about astronomy from the simple to what ever. So yeah "Keep Posting"! David Brooks...
DavidB
z32lunacity
Offline Send Email
Nov 4, 2009
3:40 pm
23793
Baseball is over so put away the bat and glove. Clean the "Pine Tar" off your hands. The wonders of the winter sky await you get those scopes out and lets...
DavidB
z32lunacity
Offline Send Email
Nov 5, 2009
3:27 pm
23794
Tell that to the weather forecasters. Our forecast for the next week is clouds, clouds, and more clouds. Eric...
Eric Strang
eric_c112000
Offline Send Email
Nov 6, 2009
12:05 am
23795
Seems to be like my weather pattern. Clouds followed by full moon every month :-( David Brooks...
DavidB
z32lunacity
Offline Send Email
Nov 6, 2009
2:30 am
23796
Sorry to hear that Eric .That might be so in the good old USA but here in the northern territory of australia its comming up to summer and that means about 5...
brian nordstrom
brn_nordstrom
Offline Send Email
Nov 6, 2009
9:31 am
23797
The weather actually cooperated last night. Got the scope out. Also got disturbed by a herd of Mulies. Walked right by us to get to the bird feeders. Starrcon...
weezyrider
Offline Send Email
Nov 6, 2009
3:32 pm
23798
Brian, I had heard there was a very bad drought at least in parts of "Down Under" I hope those areas get some relief. David Brooks...
DavidB
z32lunacity
Offline Send Email
Nov 6, 2009
5:07 pm
23799
Usually I have the dog out with my this time of the year so she scares off the critters of at least gives me a warning when they come around. ... Post it here...
DavidB
z32lunacity
Offline Send Email
Nov 6, 2009
5:36 pm
Messages 23769 - 23799 of 23799   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help