Search the web
Sign In
New User? Sign Up
bigdob · Big dobsonian telescope users.
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Hear how Yahoo! Groups has changed the lives of others. Take me there.

Best of Y! Groups

   Check them out and nominate your group.

Messages

  Messages Help
Advanced
Messages 14688 - 14719 of 18775   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
14688
... and ... drive ... without ... Price point ... on two ... DSCs while ... Len, I should have the system installed this summer. Third in line. I'll report on...
Keith
esteskkkk
Offline Send Email
Jan 1, 2006
5:32 pm
14689
I want to apologize for being a part of spoiling some aspects of our hobby for others (especially newer members of our astronomy community) in the name of...
gumbydad2002
Offline Send Email
Jan 2, 2006
12:37 am
14690
The following bigdob poll is now closed. Here are the final results: POLL QUESTION: Was your primary mirror refigured? Answer yes if it was refigured. No if...
bigdob@yahoogroups.com
Send Email
Jan 2, 2006
3:09 am
14691
I re-arranged the results to group by brand, with % refigured by brand: brand | no | yes | %refigured Zambuto 11 0 0 Galaxy 9 0...
John Mahony
jmmahony
Offline Send Email
Jan 2, 2006
10:17 am
14692
I am thinking of storing my Nightsky scope in our basement. Living here in humid/damp Virginia, which might be compunded in a basement,what adverse effects...
Dan
furthermoore
Offline Send Email
Jan 2, 2006
2:55 pm
14693
... Hi Dan, I didn't have a problem with basement storage, but I have a dehumidifier, otherwise my walls,(and scope) would be covered with mildew. Paul...
Paul Hart
paulhart47
Offline Send Email
Jan 2, 2006
3:19 pm
14694
these results are unfortunate "raw" numbers... the fact that OMI owned up to a problem they had several years ago, offered to check, redo, refigure ANY mirror...
Gary Myers
garyk9rx
Offline Send Email
Jan 2, 2006
3:31 pm
14695
And the response might not be a representative sample, so more generally speaking, I doubt the value of such polls. Jan ...
Jan van Gastel
janvangastel
Offline Send Email
Jan 2, 2006
3:35 pm
14696
yes indeed I thought that as well... way too small a sampling. g. ... generally ... do...
Gary Myers
garyk9rx
Offline Send Email
Jan 2, 2006
3:51 pm
14697
Ah. I usually use a barlowed laser rather than a Cheshire. Since what you are centering is the shadow of the center spot, the lack of reflectivity shouldn't...
paul_winalski
Offline Send Email
Jan 2, 2006
5:19 pm
14698
Previously I started a poll with the subjective question "Are you pleased with your mirror performance?" The result was 100% happy customers! So that poll...
gubbenimanen
Offline Send Email
Jan 2, 2006
5:50 pm
14699
One thing that can matter is if the central non-reflective part is smaller than the focuser, or similar/larger. If not smaller, you need something else to pick...
Nils Olof Carlin
nilsolofcarlin
Offline Send Email
Jan 2, 2006
5:57 pm
14702
Hey Roger: The most important data points would be the original production date of the mirror and who provided the refigure service. I'd have to look at my...
James Mulherin
jamesmulherin
Offline Send Email
Jan 2, 2006
11:27 pm
14703
Needed to give the 18" a bath. At Home Depot, and i'm sure other places, they have water heater safety pans. These come in different sizes and I picked one...
Jordan Kaiser
Panoscanner
Offline Send Email
Jan 3, 2006
2:19 am
14704
Dan, just watch it and make sure that the mirror is dry. Michelle Stone [Non-text portions of this message have been removed]...
Michelle Stone
plettstone
Offline Send Email
Jan 3, 2006
6:31 am
14705
Seems to me there is a subjective aspect to this poll that could affect its validity. Just because a mirror wasn't refigured doesn't necessarily mean it didn't...
chipnwho
Offline Send Email
Jan 3, 2006
1:43 pm
14706
Chip, You are right on the money. When I bought my Meade 16, I was disappointed that the views were sub-expectation, but it never occurred to me that the...
Matt Harmston
matt_harmston
Offline Send Email
Jan 3, 2006
2:10 pm
14707
I have created a "Mirror Refiguring" table in the BigDob Database section! If you own a mirror with diameter 12 inch or greater you are invited to fill in the...
gubbenimanen
Offline Send Email
Jan 3, 2006
10:52 pm
14708
Dan, I was told by John at Galaxy that acid dew is terrible on the mirrors coating! So maybe a light bulb in the mirror box would do the trick. Keith ... here ...
Keith
esteskkkk
Offline Send Email
Jan 4, 2006
2:45 pm
14709
You're right that some mirrors may need refiguring. We have to assume that this percentage is distributed the same for all mirror brands. That the...
gubbenimanen
Offline Send Email
Jan 4, 2006
3:15 pm
14710
To enter your mirrors click "Add Record" on this page http://groups.yahoo.com/group/bigdob/database?method=reportRows&tbl=2 I have added one record that...
gubbenimanen
Offline Send Email
Jan 4, 2006
3:33 pm
14711
Roger - My point was that if someone had spent a lot of money on a mirror that had an almost mythical reputation as being among the best mirrors available,...
chipnwho
Offline Send Email
Jan 4, 2006
3:53 pm
14712
With all the discussion over the recent poll results on mirror refiguring, I'd like to suggest that folks simply accept these "polls" for what they are: fun....
billferris2003
Offline Send Email
Jan 4, 2006
4:17 pm
14713
Bill - Point well taken. I just didn't want someone new to the hobby to take away something from the poll that might sway their choice of one mirror over the...
chipnwho
Offline Send Email
Jan 4, 2006
4:25 pm
14714
My concern as well... I would rather not see a poll if indeed there is no way to get a statistically valid result - unless it is more towards subjective than...
Gary Myers
garyk9rx
Offline Send Email
Jan 4, 2006
4:33 pm
14715
I have deleted the poll in the "Closed Polls" section. The poll result with the following debate and explanations are saved here in this Message thread. Roger...
gubbenimanen
Offline Send Email
Jan 4, 2006
4:40 pm
14716
Dale, I see your point now. Roger...
gubbenimanen
Offline Send Email
Jan 4, 2006
4:44 pm
14717
Roger, I hope your not offended at all... I know you were trying to get some valid information and as they say your heart was there... I personally enjoy your...
Gary Myers
garyk9rx
Offline Send Email
Jan 4, 2006
5:11 pm
14718
I for one found the poll very informative! I thought a poll was set up to poll peoples experiences, even if it is only a small sample. I hope bigdob is not...
Keith
esteskkkk
Offline Send Email
Jan 4, 2006
5:52 pm
14719
I agree with Bill's and Gary's points. Polls like this do get read by potential customers and the reputations of the manufacturers are affected. As long as...
C. Starks
cstarsnc
Offline Send Email
Jan 4, 2006
6:40 pm
Messages 14688 - 14719 of 18775   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2007 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help