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Thread: Solar telescope recommendations ?

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    Default Solar telescope recommendations ?



    Hi Solar fans!,
    I am based (live) in the London area of the UK, and will be finding more time as I am nearing retirement from working in the NHS. I have been into astrophotography for about 1 year and have started into solar imaging - I got a white light filter for my ED70 scope and taken some photos of the sun's photosphere with a Canon dSLR.

    Since going to the Astrofest in London last month and read a book "15 million degrees" by Professor Lucie Green, I am really interested in Solar physics and also imaging/viewing.

    I was wondering if you Solar astronomers can advise if it is possible to :

    1) Do serious solar imaging with a basic Coronado PST, or do I need to buy a larger, double stacked solar scope? What is a good aperture to get decent images like John (Lowjiber) ?
    2) Can you see much detail in the eyepiece ? Can you post some pictures of the difference between single stacked and double stacked Ha telescopes??

    Thanks!

    Magnus
    Magnus
    OTA: Altair Starwave 70ED F6, SW 150mm PDS // Mount:SW EQ3 Pro, Vixen polarie // Imaging: ASI120mm-S; Canon 100D, 7D, 6D, Samyang 14mm,85mm // Solar:Quark Chromosphere; Baader Solar filter // Software: CdC, GRIP, DSS, LR 6, Sequator, Adobe PSE 8, Sharpcap, AS, RS 6, MagicLantern

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    Default Re: Solar telescope recommendations ?

    Hi Magnus. We have a special Group for Solarnuts ,please join us ! There's a wealth of information there plus more images than you could wish for.

    Keith
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    ,Lunt60,BF1200. Quark Chromo, Lunt Herschel solar wedge, DMK21.
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    Evostar 80mm with Moonlite focusser DMK51.
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    Default Re: Solar telescope recommendations ?

    I have both single and double stacked Lunts (50 and 80) as well as a Quark. DS is for visual and sketching, it is hard to image DS for imaging use single stack or the Quark.

    I would recommend a Lunt 60mm or if you have refractors then the Quark Chromosphere, works well with achro's in the 80-120mm range. with DS or Quark you can see alot of detail but like deep sky a good photo will be better but it is a rabbit hole.

    What I did and recommend is to start out with visual and sketching, again for visual double stack is much better.



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    Home obs pad has Bortle 7.5-8.0 sky, Lunt LS80DS, LS50DS, Quark Chromosphere
    Cameras: ZWO ASI071MC ASI120MC ASI120MM-S ASI174MM ASI174MM-cool ASI178MC-cool; Skywatcher EQ6-R, Orion Skyview PRO EQ
    Scopes: Celestron: EDGE 8" HD, 1998 Nexstar 5, XLT120, XLT102AZ, SW: ED100 APO, 102 Mak, SV: SV80ST APO, Orion: ST80, 120ST, 127 Mak,
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    Default Re: Solar telescope recommendations ?

    I had a double stacked PST and it was a great visual solar telescope and there are a few people who have modified them to use a webcam with them but I would not consider the PST robust enough to be a imaging solar telescope.
    If that is what you are looking for I would suggest the Solar Max line would probably be a better choice.
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    The weakest link in the optical chain is the large nut located directly behind the
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    / 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: Solar telescope recommendations ?

    Lunt 60 or 80 or Quark Chromosphere for imaging!
    Mag95On likes this.
    Home obs pad has Bortle 7.5-8.0 sky, Lunt LS80DS, LS50DS, Quark Chromosphere
    Cameras: ZWO ASI071MC ASI120MC ASI120MM-S ASI174MM ASI174MM-cool ASI178MC-cool; Skywatcher EQ6-R, Orion Skyview PRO EQ
    Scopes: Celestron: EDGE 8" HD, 1998 Nexstar 5, XLT120, XLT102AZ, SW: ED100 APO, 102 Mak, SV: SV80ST APO, Orion: ST80, 120ST, 127 Mak,
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    Default Re: Solar telescope recommendations ?

    [QUOTE=Ben Cartwright SASS;1058737966]I have both single and double stacked Lunts (50 and 80) as well as a Quark. DS is for visual and sketching, it is hard to image DS for imaging use single stack or the Quark.

    I would recommend a Lunt 60mm or if you have refractors then the Quark Chromosphere, works well with achro's in the 80-120mm range. with DS or Quark you can see alot of detail but like deep sky a good photo will be better but it is a rabbit hole.
    //
    Thanks Ben, I did not know DS was better for visual. I am thinking of the Quark as I've seen some Youtube channels which show its very good for imaging. I am still interested in visual but don't trust my eyes so much as a camera. I know I need a good mono camera, probably a ZWO ASI 183mm or 174mm (I get the numbers mixed up). I already have a 70mm ED refractor so maybe I could use the Quark with that. Or looking at a dedicated Lunt 60mm Single stack. I will do the maths. And check out your website. Thanks Ben!
    Magnus
    OTA: Altair Starwave 70ED F6, SW 150mm PDS // Mount:SW EQ3 Pro, Vixen polarie // Imaging: ASI120mm-S; Canon 100D, 7D, 6D, Samyang 14mm,85mm // Solar:Quark Chromosphere; Baader Solar filter // Software: CdC, GRIP, DSS, LR 6, Sequator, Adobe PSE 8, Sharpcap, AS, RS 6, MagicLantern

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    Default Re: Solar telescope recommendations ?

    Since you have the 70mm, I would recommend the Quark Chromosphere as well as a UV/IR (about $40) for the front of the diagonal. For the Camera the ASI174mm is the one to get, if you have the money get the cooled version but the regular is find just the possibility of noise.
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    Default Re: Solar telescope recommendations ?

    Quote Originally Posted by Ben Cartwright SASS View Post
    Since you have the 70mm, I would recommend the Quark Chromosphere as well as a UV/IR (about $40) for the front of the diagonal. For the Camera the ASI174mm is the one to get, if you have the money get the cooled version but the regular is find just the possibility of noise.
    Hi Ben, I actually bought the Quark Chromosphere filter 3 days ago for 10% discount!! I have not tested it due to rain and high winds. I may stick to visual obs to start with. I know you are right about the 174mm cool. Does it still have an amp glow issue on long exposures?

    I think the 174mm cool would work also for deep sky imaging, its better for solar and lunar, and planetary if you have enough focal length.
    Do you know any more about amp glow and banding for ths camera? Cloudy nights said they could calibrate or process these issues out? Its a concern if I was to use the ASI 174mm cool for DSO imaging.

    I still have to get equipment for - autoguiding scope, autoguiding camera, better portable laptop computer, better mount, a higher aperture scope for visual or imaging...

    So although I am very keen on solar, I was wondering if I should concentrate on solar and lunar and planetary for the present time, as I won't need to get a heavier mount like the Eq6-pro just yet.
    Magnus
    OTA: Altair Starwave 70ED F6, SW 150mm PDS // Mount:SW EQ3 Pro, Vixen polarie // Imaging: ASI120mm-S; Canon 100D, 7D, 6D, Samyang 14mm,85mm // Solar:Quark Chromosphere; Baader Solar filter // Software: CdC, GRIP, DSS, LR 6, Sequator, Adobe PSE 8, Sharpcap, AS, RS 6, MagicLantern

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    Default Re: Solar telescope recommendations ?

    amp glow on the 174mm cool, I have only done a couple long exposures (1 minute each) and didn't notice any but a dark would fix that, virtually all my shots with it are solar so 15-20 seconds at at time, 2,000 frames

    Welcome to the rabbit hole!

    I used the ASI174mm cool with my Edge 8 and a 5x powermate but I prefer the ASI120 for it smaller chip for planetary or my ASI178mm-cool for the color shots of the planets.

    they any camera for DSO's you need to take darks, usually 10-20 is fine (to my mind)
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    Default Re: Solar telescope recommendations ?

    A lot of it depends on how big your budget is. I cannot vouch for the Lunt 'scopes but have used a PST for many years and have done a bit of research on the larger Coronado models.

    The big problem with a Coronado PST is its lack of focus travel. Also, it is so light that any camera attached to it would cause severe balance problems. If you try using a small imager, you cannot achieve focus without a Barlow lens. This means that you cannot get the full disc in. I have always used afocal photography, originally a compact digital camera but, these days, a DSLR.

    There's no way my set-up will compete against a 999mm solar telescope with a 0.0001 Angstrom bandpass. I like to think I do a half decent job snapping the Sun with modest equipment. Here's my solar album:

    https://www.flickr.com/photos/philip...57666438967194

    As far as I know, only one book was ever written on the subject and that was 12 years ago.

    Unfortunately, the Sun is not being helpful. Most days I see nothing through the eyepiece but catch some features on "film".
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