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Thread: New member looking for some helpful advice...

  1. #41
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    Default Re: New member looking for some helpful advice...



    That looks like an amazing location!
    The 150mm is going to shine there.
    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
    Mounts: Celestron SLT w/ pier mod & EQ-3 tripod, Celestron hypertuned CG-5 w/ tracking motor & Argo Navis, Manfrotto 028B w/ Stellarvue M2C, Manfrotto 055PRO w/ 128RC, TAL-1 HD EQ, Vixen SXP w/ HAL-130 SXG & half pier
    Diagonals: 2" Astro-Physics MaxBright, 2" Zeiss/ Baader prism, 2" Baader Herschel Wedge (Photo Version), 2" Orion Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/Achro thing in some balance of perspective. Apos are awesome, but long focus Achros aren't that far behind them - Siriusandthepup (CN)
    Refractors kick arse precisely because they don't hide behind excuses. That is, they have no obstructions to hide behind. - Jon Isaacs (CN)

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  3. #42
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    Default Re: New member looking for some helpful advice...

    Welcome to the forum and yes that 150 short tube refractor on an eq5 mount is great perhaps a bit of CA on bright objects but a good set up, some people can handle CA and I am envious as for me its just a no no but are eyes are all different so hope it works for you
    Richard
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    Refractors Tasco 10 TE-5 F 15 ,
    MCT Bosma 150 F12 on a EQ5
    SCT C5 Celestron SLT Alt/AZ Go To mount,

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  5. #43
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    Default Re: New member looking for some helpful advice...

    If I am not wrong then you've never used any telescope before. So I would like to give you some basic intro first.

    The most essential part of the telescope is its Aperture (also called objective lens) - the larger it is - the better you can see those distant things. So go for a telescope with a minimum 3 inches of aperture.

    Trust me, the magnification of a telescope is not a big concern to focus on.

    Mount is a essential thing. Its the system on the top of which your telescope resides. And it helps your telescope rotate in whatever direction you want it to rotate. Just cause you are a beginner, try to choose either altazimuth or Dobsonian. Heard it that euqatorial is complicated for beginners.

    And BTW there are computerized models as well, that do all the work for you to spot your desired space objects with few simple inputs from you. But those are expensive and actually kills all the real thrilling fun hunting work. So I won't advice them.

    A quick suggestion is Celestron 130mm model.

    Hope it was helpful

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    Default Re: New member looking for some helpful advice...

    Quote Originally Posted by 12richardk View Post
    Welcome to the forum and yes that 150 short tube refractor on an eq5 mount is great perhaps a bit of CA on bright objects but a good set up, some people can handle CA and I am envious as for me its just a no no but are eyes are all different so hope it works for you
    Thanks.

    My understanding is that as an achromatic, it should help limit the amount of CA (or have I misunderstood this? - please feel free to explain if I’m wrong). I had to make some compromises as I felt that the 150-200mm Dodsonians were not portable enough for me and “collimation” sounded a bit off putting for an utter newbie!!

    Still, I’m happy for this to be a learning experience and hope to be able to try out and understand all of the other options soon enough

  7. #45
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    Default Re: New member looking for some helpful advice...

    Thanks Alienpamda, but if you check back a Pago or two, the commitment’s been made and awaiting delivery
    Last edited by Red Merle; 09-01-2018 at 07:13 PM.

  8. #46
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    Default Re: New member looking for some helpful advice...

    Quote Originally Posted by Red Merle View Post
    Thanks.

    My understanding is that as an achromatic, it should help limit the amount of CA (or have I misunderstood this?)
    Sort of.
    Achromat refractors have the primary made of two types of glass that reduce the amount of CA, but you can still get some coloured fringing around bright objects.

    Apochromat refractors use three types of glass, and this makes CA indetectable.

    More or less
    All opinions you read here are given freely and are worth every cent.

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  10. #47
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    Default Re: New member looking for some helpful advice...

    A achromat will show a certain amount of chromatic aberration but it is seen differently from person to person.
    If you do find it objectionably there are ways to help mitigate the effect with filters.

    CA is typically only really seen on very bright targets such as Vega, Venus, Jupiter and lunar limb/ crater edges. DSOs and fainter targets will not show it.
    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
    Mounts: Celestron SLT w/ pier mod & EQ-3 tripod, Celestron hypertuned CG-5 w/ tracking motor & Argo Navis, Manfrotto 028B w/ Stellarvue M2C, Manfrotto 055PRO w/ 128RC, TAL-1 HD EQ, Vixen SXP w/ HAL-130 SXG & half pier
    Diagonals: 2" Astro-Physics MaxBright, 2" Zeiss/ Baader prism, 2" Baader Herschel Wedge (Photo Version), 2" Orion Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
    Eyepieces: A-Z

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.

    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/Achro thing in some balance of perspective. Apos are awesome, but long focus Achros aren't that far behind them - Siriusandthepup (CN)
    Refractors kick arse precisely because they don't hide behind excuses. That is, they have no obstructions to hide behind. - Jon Isaacs (CN)

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    Default Re: New member looking for some helpful advice...

    Quote Originally Posted by Gfamily View Post
    Sky Safari usually gets the best user feedback. Personally, I use Stellarium on my android phone.

    I'd still recommend a planisphere though. Philips do a good 12" version, but I'd avoid not the 'glow in the dark' one, that's just a gimmick that reduces the amount of useful info.
    Currently working my way through SkySafari Plus - it’s so full of interesting stuff, even if I only understand some of it yet!
    Gfamily likes this.

 

 
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