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Messages 5657 - 5687 of 6166   Oldest  |  < Older  |  Newer >  |  Newest
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5657
I went with the Celestron SkyMaster 12x60. ~$70 shipped from Amazon.com. These are considered to be the largest bino one can hold while viewing effectively...
riotqontrol
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Dec 2, 2008
6:13 pm
5658
I am interested in grinding my own telescope mirror. Is there anyone else in the Anchorage area that would like to try this, and more important is there...
Tom Tyler
polaristom99
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Dec 2, 2008
8:18 pm
5659
The Daily News did an article a year ago about Jim Egger, a local telescope maker... http://www.adn.com/626/story/218110.html I thought the 'pitch lap' was...
btwoern@...
btwoern
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Dec 3, 2008
3:27 am
5660
Attached is a single unguided, 30 second exposure of the Orion Nebula that I took last night with my Nikon D300. It was connected to my Orion 120ED refractor...
Christopher Erickson
data_plumber1
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Dec 3, 2008
7:15 am
5661
Tom- We ground mirrors a few years ago during the summer, and polished them at Jim Egger's house. Jim gave ERNC two presentations, one on the what and how of...
rpellessier
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Dec 4, 2008
9:12 am
5662
Tom! Yes!!! I am interested in grinding my own mirror too! I am inexperienced too and will also need help in this endeavor. Maybe there can be something set up...
Paul Vest
sabhr3
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Dec 4, 2008
4:36 pm
5663
Rich and Charles, Thanks for the info, I will call Jim this weekend. Paul, I'll let you know what he says. I wish I could make it to the ERNC Friday night but...
Tom Tyler
polaristom
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Dec 4, 2008
5:11 pm
5664
Grinding and figuring mirrors larger than about 8" and/or faster than about f8 is an incredible amount of work. I spent a major chunk of my young lifespan...
Christopher Erickson
data_plumber1
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Dec 4, 2008
6:41 pm
5665
Isn’t the focal ratio the part that determines the time requirement. F 3.8 is a fast mirror, I was thinking about a 8”, f 6 or so. What size and f ratio...
Tom Tyler
polaristom
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Dec 4, 2008
6:47 pm
5666
8" f8 is an ideal size and speed beginner's mirror project. I wonder if Jim has made a Mirror-O-Matic that is sitting idle at the moment? I have only ground...
Christopher Erickson
data_plumber1
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Dec 4, 2008
7:08 pm
5667
http://mars.jpl.nasa.gov/msl/newsroom/pressreleases/20081204a.html...
Scott
scottupnorth
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Dec 4, 2008
7:39 pm
5668
Tom, I am going to have to find an alternate means of working with you guys on this. I work on Friday nights unless I call in sick... he, he, he. (evil laugh,...
Paul Vest
sabhr3
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Dec 5, 2008
2:45 am
5669
Chris, I need to learn about f.8 or f.whatever. I am new to this and you are right, I need to do allot of research. The reward of making the scope is what I am...
Paul Vest
sabhr3
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Dec 5, 2008
2:47 am
5670
Tom, what do they mean by a fast mirror? Paul ________________________________ From: Tom Tyler <tyler@...> To: AlaskanAstronomy@yahoogroups.com Sent:...
Paul Vest
sabhr3
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Dec 5, 2008
2:48 am
5671
There are others here who can probably explain f-ratios more clearly than I can but here goes! F-stop (a.k.a. F-ratio) is the ratio of the aperture to the...
Christopher Erickson
data_plumber1
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Dec 5, 2008
5:01 am
5672
Is there a meeting tonight...
totalyfrozen
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Dec 12, 2008
10:18 pm
5674
Hi, I guess I was more tired that I though after being up all night :-) My apologies for the double post. Anybody get out under our clear skies (and...
Tom Kerns
tdkerns
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Dec 14, 2008
2:39 am
5675
very cool Tom, I am working on the moon. What program do you recommend for stacking photos? I am using the Orion ED 100 with my Canon XTi. Thanks ... ) ... on...
totalyfrozen
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Dec 14, 2008
4:47 am
5676
Deep Sky Stacker definately! Its free, and as good or better than many commercial stacking programs. Especially for dlsrs, which is what it was designed for....
Tom Kerns
tdkerns
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Dec 14, 2008
5:12 am
5677
Thanks Tom!! ... many ... it was ... program. ... moon)? ... its...
totalyfrozen
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Dec 14, 2008
5:15 am
5678
nice shot Tom! _____ From: AlaskanAstronomy@yahoogroups.com [mailto:AlaskanAstronomy@yahoogroups.com] On Behalf Of totalyfrozen Sent: Saturday, December 13,...
Mike C
tmb_mike
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Dec 15, 2008
2:03 am
5679
Dr. Bob M. will be presenting, "Discovering the Moon", this Friday, December 19, 2008. -Rich...
rpellessier
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Dec 16, 2008
7:33 am
5680
Thanks Rich for keeping us all in step. Hey I just noticed that Anacortes Telescope has Meade ETX 125 telescope on a unbelievable sale. $300, this scope sells...
Tom Tyler
polaristom
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Dec 17, 2008
5:41 pm
5681
Actually even though the mount could be a lot more rigid, the optics of the ETX-125 are razer sharp. -Christopher Erickson ... -- -Christopher Erickson Network...
Christopher Erickson
data_plumber1
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Dec 17, 2008
6:03 pm
5682
On 90.3fm here in Anchorage they are doing a Native Astronomy Show on Native America Calling, been pretty good so far....
totalyfrozen
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Dec 18, 2008
6:44 pm
5683
Clear Sky Clock looks pretty good for tonight. Anybody else going to bring a scope??? Come on Charles, we've been wanting to see that new toy of yours. From:...
Tom Tyler
polaristom
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Dec 19, 2008
10:05 pm
5684
sure I'll bring it out LOL I did last time but it sat in the truck.. too much snow that night. ... to bring ... of...
totalyfrozen
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Dec 20, 2008
12:26 am
5685
any recommendations on cleaning kits for the telescope? ... truck.. ... going ... toy ... Friday,...
totalyfrozen
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Dec 20, 2008
1:18 am
5686
astro-physics kit (or equivalent method/ type of products) _____ From: AlaskanAstronomy@yahoogroups.com [mailto:AlaskanAstronomy@yahoogroups.com] On Behalf Of...
Mike C
tmb_mike
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Dec 20, 2008
1:33 am
5687
Check out this site with awesome cloud formations. Really cool! http://www.darkroastedblend.com/2008/12/punch-hole-clouds.html Scott...
Scott
scottupnorth
Online Now Send Email
Dec 21, 2008
5:56 am
Messages 5657 - 5687 of 6166   Oldest  |  < Older  |  Newer >  |  Newest
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