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starmaster_scopes · Special Interest Group for owners of Starmaster telescopes

Group Information

  • Members: 1275
  • Category: Amateur
  • Founded: Jun 4, 2000
  • Language: English
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Description

A place for owners of Starmaster telescope
to talk about tips and tricks they may
have learned.

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Re: Starmaster 14.5 telescopes
Hello Charlie, I haven't been online lately, however, I was at TSP with Rick's 22 and my 16.5FX 3.6 and the 28" F3.7, and I completely agree with your details.
Posted - Wed Jul 8, 2009 1:38 am
John VeDepo
starmaster_2...
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Re: Starmaster 14.5 telescopes
Thanks so much.Joseph ... All parabolic mirrors have coma as one of the optical abberations of the design. It is not a side effect of a poorly manufactured
Posted - Tue Jul 7, 2009 3:51 pm
rozasj@...
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Re: Starmaster 14.5 telescopes
Thanks.Joseph. ... rozasj, Yes, you need a parracor for the kind of scope f/ratio you are dealing with. Jim ... From: <rozasj@...> To:
Posted - Tue Jul 7, 2009 3:50 pm
rozasj@...
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Re: Starmaster 14.5 telescopes
Thanks.Joseph. ... If it increases at a declining rate as you move further from the center, that implies that it would be less noticeable at low power. -John
Posted - Tue Jul 7, 2009 3:50 pm
rozasj@...
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Re: Starmaster 14.5 telescopes
Thanks so much.Joseph. ... Dear Joseph, A paracorr is a "required" option. At 4.3f, coma is a given effect, but is easily corrected with a TeleVue paracorr.
Posted - Tue Jul 7, 2009 3:50 pm
rozasj@...
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 29 42 23 29 38 44 15
2008 39 49 48 62 43 45 59 17 54 67 43 23
2007 39 42 70 117 46 31 48 101 117 36 72 45
2006 42 100 167 135 163 53 143 44 47 51 100 52
2005 117 87 168 146 116 119 72 69 97 130 42 30
2004 151 110 179 139 103 77 80 55 185 164 63 98
2003 335 222 325 217 240 243 310 257 271 120 132 165
2002 356 267 245 265 280 278 308 215 279 329 359 316
2001 276 285 379 231 208 371 346 462 311 256 355 337
2000 371 486 497 293 274 224 164
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