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Messages 7088 - 7117 of 7241   Oldest  |  < Older  |  Newer >  |  Newest
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7088
... The Jr. Gearhead isn't a bad choice for an alt-az mount, but if you plan to use one, I recommend mounting your scope with the the attitude axis... notice I...
Larry Shurr
lshurr
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Apr 9, 2007
8:52 pm
7089
Good advice Whitney - I may try it with my photo tripod though it is not a Manfrotto type. Thanks Jim ... plan...
jd_astro
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Apr 11, 2007
5:01 pm
7090
Jim, I'm Larry. I followed up Whitney's comment recommending a Jr. Gearhead with my inherited bit of wisdom about turning the Jr. Gearhead attitude axis 90...
Larry Shurr
lshurr
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Apr 12, 2007
12:43 am
7091
Hi Larry - I realized that was your post after I had already replied to it. I ordered a Microstar Deluxe (used) for my 3021 tripod and was wondering what to do...
jd_astro
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Apr 13, 2007
1:17 am
7092
It seems that when I bought my Skywatcher 80st, I had received the "terrestrial" OTA and not the "astronomical" OTA. The "terrestrial" OTA being the one that...
funandfantastic
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May 1, 2007
12:57 pm
7093
Hey there. I replaced the stock focuser with a two speed crayford manufactured by Antares. Definitely an improvement. Easy to install. I will try to upload...
jcbinsls
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May 1, 2007
2:07 pm
7094
Check under the photo album "jcbinsls" for a picture. If you have any questions, I will be happy to answer them. Thanks. ... the ... to...
jcbinsls
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May 1, 2007
2:10 pm
7095
Do you find there to be any vignetting with a 2" focuser and eyepieces? ... crayford ... mount ... I'm...
funandfantastic
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May 1, 2007
2:47 pm
7096
Very slight vignetting (and I mean SLIGHT) using my Orion Q70 2" eyepieces (26mm, 32mm and 38mm). I really prefer to use my 1.25" Radians, which have a 60...
jcbinsls
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May 2, 2007
2:37 pm
7097
I'd like to replace my Orion Short Tube 80 1.25" visual back, which has a set screw, with a 1.25" back with compression ring. I know Mercury Systems and...
Mike I.
poochpa
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Jun 3, 2007
4:23 pm
7098
Mike, MSS was the source of these backs but the are out of business. ScopeStuff was just a reseller of the MSS backs. David...
zmanwyoh
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Jun 5, 2007
8:31 am
7099
Hi David, Yes, I knew from looking at the scopestuff website that backs were from Mercury Systems. I was hoping someone knew of another source. Mike...
Mike I.
poochpa
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Jun 6, 2007
10:35 pm
7100
One of my first asteroid observations was made with my Orion Shorttube 80. The nice wide field of view allowed me to follow the asteroid over several nights...
adastragrl
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Jun 9, 2007
2:33 pm
7101
Hi all, I am new to this group. I recently purchased a Orion ST80 and am interested in find eyepieces that will work well with this scope and that help reduce...
Patrick O'Neil
seanoneil
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Jul 31, 2007
3:05 am
7102
... Here's a couple links to a good solution to CA in ST80s - http://www.astromart.com/articles/article.asp?article_id=248 ...
Whitney Turner
thomcat316
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Jul 31, 2007
3:38 am
7103
... Hmm tough one Patrick. My suggestion is a nice 32mm eyepiece then avoid pointing the scope at anything too bright ;) The eyepiece really can't reduce...
Phil Lefever
kb0nes
Online Now Send Email
Jul 31, 2007
10:18 am
7104
... and that help reduce chromatic aberration. ... As other have said, the 80/f5 scopes are versatile wide field scopes. High power on planets and the Moon are...
Leo Taylor
leotaylor2
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Jul 31, 2007
12:36 pm
7105
Hi Whitney, Thanks for the links, I would love one of those scopes, but it can't happen right now. I intend to try out those Burgess/TMB Planetaries you...
Patrick O'Neil
seanoneil
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Jul 31, 2007
4:06 pm
7106
Hi: No eyepiece will reduce this (or any) telescope's chromatic abberation. That said, I don't find the 80 that bad in that regard. What can help is a minus...
rmollise@...
rmollise
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Jul 31, 2007
4:17 pm
7107
Hi Phil, Thanks for the info. Right now I observe with two scopes. The Orion ST80, and the Orion 4.5" EQ StarBlast. I do use this scope to view the planets...
Patrick O'Neil
seanoneil
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Jul 31, 2007
4:37 pm
7108
Hi Leo, Thank you for the response. I have never tried a minus violet filter. Does the color look natural on the Moon when using one? The only filter I have...
Patrick O'Neil
seanoneil
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Jul 31, 2007
4:44 pm
7109
Hi Rod, Thanks for the response. What is the effect when using a minus violet filter? Clear Skies, Patrick ... abberation. That said, I don't find the 80 that...
Patrick O'Neil
seanoneil
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Jul 31, 2007
4:50 pm
7110
These will definitely help suppress the purple, but will add a usually yellowish color-cast. Unk Rod...
rmollise@...
rmollise
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Jul 31, 2007
5:02 pm
7111
... Hi Patrick, My ST80 is my favorite of my refractors, and the definitely the *most* used because it's so darn handy to just grab and go. I find that the...
Mary
terminus0
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Jul 31, 2007
6:37 pm
7112
I'll second the expanses. I use 'em with all my grab 'n go scopes: the ST80, ETX125, and StarBlast. Not perfect, but a good value, and leaving one in a hotel...
Rod Mollise
rmollise
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Jul 31, 2007
10:11 pm
7113
Hi Mary, Thank you for the response. I too have the Expanse series and enjoy using them with this scope. I also have Orion Highlight Plossls, but it seems that...
Patrick O'Neil
seanoneil
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Jul 31, 2007
10:53 pm
7114
Hi Rod, Ok, so the filter blocks out at least one range of color. Does that cause any loss in detail? I have noticed that the 6mm and 9mm Expanses have built...
Patrick O'Neil
seanoneil
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Jul 31, 2007
11:07 pm
7115
Not too much. Most of the detail that's gonna be lost is lost to chromatic aberration itself. A lot of what you notice depends on you. Usually higher...
Rod Mollise
rmollise
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Jul 31, 2007
11:45 pm
7116
... Patrick, Sounds like you are doing right fine with the little scope! Just train your brain to ignore the fringes and you will be golden ;) ... Well I would...
Phil Lefever
kb0nes
Online Now Send Email
Aug 1, 2007
5:24 am
7117
I am thinking about purchasing the Expanse 20mm to fill in the gap between my Nexstar 15mm and Nexstar 32mm. I use these eyepieces for afocal video and would...
jd_astro
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Aug 1, 2007
7:42 am
Messages 7088 - 7117 of 7241   Oldest  |  < Older  |  Newer >  |  Newest
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