Results 1 to 5 of 5
  1. #1
    grecian's Avatar
    grecian is offline White Dwarf
    Points: 7,106, Level: 58
    Level completed: 78%, Points required for next Level: 44
    Overall activity: 0%
    Join Date
    Jun 2009
    Location
    Plymouth, UK
    Posts
    21
    Points
    7,106
    Level
    58
    Thanks
    12
    Thanked 3x 3 Posts

    Default Upgrade or buy new?



    Hello,

    Looking to get into CCD imaging, i figure that as the CCD, laptop, autoguider etc will all be new purchases, i'll pick ones within my price range, can probably stretch to £3.5k ($5000)

    But also in this price i need an OTA and mount.

    I have an 8" Dob so the choice is...

    1. Get a mount that will support the 1200mm tube (probably be HEQ5 or EQ6)
    2. Get a smaller refractor / reflector which will only require a smaller mount (therefore approximate same cost as 1.)


    I've considered that DSOs is where it's at for me, not bothered about imaging planets which means a 'fast' scope <f/9?? Well me Dob is f/6 so wouldn't this suit for DSOs, i've read Newts don't perform well with AP but not sure why.

    Any help on the choice above would be much appreciated, also if anyone has any recommendations on a suitable CCD / autoguider (i've heard some CCDs, have autoguiders built in on a separate chip close to the main one?) then this would also be much appreciated.

    Many thanks

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    SkyWatcher 200P

  2. #2
    sxinias's Avatar
    sxinias is offline Super Moderator
    Points: 328,129, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 0%
    Achievements:
    Got three Friends20+ Friends Achievement!First 1000 Experience Points5+ Referrals Achievement!100+ Threads Achievement!
    Awards:
    Attachments Award
    Join Date
    Nov 2008
    Location
    Marathon Greece summer Tampa Florida winter
    Posts
    17,799
    Points
    328,129
    Level
    100
    Thanks
    4,582
    Thanked 10,194x 6,475 Posts
    Blog Entries
    4

    Default

    Newtonians don't perform well for astrophotography .... some do and some don't. Its a matter of their design. Many Newtonians do not have sufficient back focus for prime focus photography others are designed and built so that they do. Some fixes are low profile focusers, moving the primary mirror to shorten the distance between it and the diagonal mirror.
    SXINIAS

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



    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ZEQ25 mount;
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    SynScan AZ
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    Mount;

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ST-80A 80mm Refractor (OTA); Meade
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    203mm SCT (OTA);
    Meade DS2090AT 90mm Refractor; Meade 2045LX3 102mm SCT;

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    4 SE 102mm MAK; Celestron Advanced Series C6S (XLT) 150mm SCT
    with an iOptron GOTO Drive

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

  3. #3
    DaveW's Avatar
    DaveW is offline HYPER GIANT
    Points: 13,128, Level: 79
    Level completed: 8%, Points required for next Level: 322
    Overall activity: 0%
    Achievements:
    200+ Posts Achievement!First 1000 Experience PointsGhost Achievement! Averaging 5+ posts a day!365 Days+ Registered Achievement!100+ Threads Achievement!
    Join Date
    Jun 2010
    Location
    Saskatoon, Canada
    Posts
    1,792
    Points
    13,128
    Level
    79
    Thanks
    100
    Thanked 621x 447 Posts

    Default

    I would say that if you're looking at spending up to $5000, don't worry about trying to reuse the OTA of your $400 telescope. Keep it and use it as a visual scope while your imaging sequence is running.
    Zhumell Z10,
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    114EQ, 10x50 and 15x70 Binoculars
    Zhumell 2" UHC Filter
    Hyperion 8mm GSO Superview 30mm and a whole case full of Plossls

    Saskatoon, SK - 106W, 52N

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

  4. #4
    seal killer's Avatar
    seal killer is offline SUPER GIANT
    Points: 14,850, Level: 83
    Level completed: 50%, Points required for next Level: 350
    Overall activity: 0%
    Join Date
    Apr 2010
    Location
    Kansas City
    Posts
    694
    Points
    14,850
    Level
    83
    Thanks
    1
    Thanked 276x 153 Posts

    Default

    grecian--

    I would emphasize the higher capacity mount: The EQ-6, without a doubt.

    Here is the Newtonian I use: AT8IN. It is advertised as an "imaging Newtonian." It works well with the EQ-6. There is no back focus problem with this telescope and a DSLR at prime focus.

    I use the Orion StarShoot Autoguider package. It consists of the StarShoot Autoguider and Orion's Short Tube 80. PHD autoguiding software is included in the package.

    I also use ImagesPlus Camera Control and ImagesPlus Processing.

    --Bill
    Nikon D700

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    Atlas EQ-G; Orion ST80 and SSAG
    Astro-Tech 8" f/4 Imaging Newtonian, Meade DS-10
    ImagesPlus Camera Control v3.83a, ImagesPlus Processing 4.0
    iPhone: 39d 10m 11s N, 94d 52m 13s W
    <a href="
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    data-link-preview="0_astrophotography" class="vw-link vw-link-previewable vw-link-auto" href="
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    title="Astrophotography">Astrophotography/Astrophotography.htm">seal killer's Astrophotography</a>

  5. #5
    grecian's Avatar
    grecian is offline White Dwarf
    Points: 7,106, Level: 58
    Level completed: 78%, Points required for next Level: 44
    Overall activity: 0%
    Join Date
    Jun 2009
    Location
    Plymouth, UK
    Posts
    21
    Points
    7,106
    Level
    58
    Thanks
    12
    Thanked 3x 3 Posts

    Default

    Cheers Bill,

    That set up looks quite good certainly a contender. I think the OTA is available in the UK, the mount is but haven't checked the autoguider.

    Matt

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    SkyWatcher 200P

 

 

Similar Threads

  1. So i want to upgrade to an go-to........
    By Jeramie in forum Astronomy Beginners Forum
    Replies: 3
    Last Post: 08-31-2010, 06:44 PM
  2. Upgrade to 10'' dob?
    By dave1977 in forum Dobsonian Telescopes Forum
    Replies: 6
    Last Post: 10-31-2009, 03:13 AM
  3. Upgrade
    By Starlord in forum General Astronomy Forum
    Replies: 2
    Last Post: 02-08-2004, 01:27 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBulletin® Version 4.2.0
Powered by vBulletin®
All times are GMT. The time now is 06:38 AM.