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Thread: Cameras

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    Default Cameras



    Hello everybody
    I have bought my 1st scope a gskyer
    Sky explorer 130eq / F1=650 F/5
    It was delivered Friday the 5th and on Saturday the sky cleared up enough to the north and found a Beautiful object in the sky by luck I think , I was instantly hooked, it was 1am and the wife was sleeping. I wanted her to see it so bad but being a wise man I let her sleep and attempted to get a photo with my I phone, it came out ok but not like the photos I see posted and Iím looking for advice on the perfect camera for me to use from your experiences and if I can get a clue of what the photo is that I took, I do have books and charts on order and looking to join a local club, Iíll get back to the photo having trouble getting it from my phone

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    Default Re: Cameras

    Just to let you know, those images take hours of time to capture something not really capable with your telescope.
    You can get a cell phone holder that attaches to the eyepiece and will let you take some great quick images of the lunar surface and such.
    Enjoy the telescope, and keep asking questions
    I hope you and your wife have s great time under the stars.
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    Default Re: Cameras

    Your scope is small aperture but relative fast (f5). The Canon 60DA was one of the best for AP. I waited a year looking for one, but ended up with a Canon 70D. After 3 years, the number of "hot" pixels is beginning to grow, so I'm thinking of getting a dedicated AP camera. I understand Nikon has a good camera that (just?) came out. You won't be gathering as many photons because the scope is small aperture - which means you'll need either longer exposures or more shorter ones. That will put more wear on the camera... so if you go with a standard camera the sensor may begin to fail more rapidly. Make sure whatever you buy has a bulb setting to keep the shutter open for longer than 30 seconds... you'll need it. There are many threads here discussing cameras. Happy hunting!
    "To be good is not enough when you dream of being great"

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    Default Re: Cameras

    Thank you for the info on cameras, thatís a helpful start and I plan on having a few scopes on hand for others to use and start a little collection.
    So if I wanted to go larger with a limit of a $1,000 any suggestions Iíve seen ď10 in dia. I have the need to see as much as I can, Iím not to worried about the size or weight I just want my next purchase to be a good one. I really want this to be my pride and joyful hobbie. And to be able to learn about the equipment and get good at this. TY all

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    Default Re: Cameras

    Quote Originally Posted by Djm View Post
    Thank you for the info on cameras, that’s a helpful start and I plan on having a few scopes on hand for others to use and start a little collection.
    If you really plan to get into AP then you really need to start thinking about a SOLID tracking equatorial mount, the very least of which (Celestron AVX) will take almost your entire budget of $1000. The scope is much less important and you can image with no scope at all, just directly attach a DSLR alone to the mount, and I highly suggest starting that way anyway.

    You can use the scope you have if you mounted it on a tracking equatorial mount, but it will not bring a DSLR to focus without adapting it by moving the primary mirror closer to the focuser. This also means you would then need an extension tube to reach focus with an EP for visual use. I really wouldn't do this, the focuser really isn't up to the task of holding the weight of the camera, but if you did it would work.

    A CMOS camera like a ZWO imager will focus in your scope as is, you still need the scope mounted on a sturdy tracking equatorial mount, but you have to use a scope as the camera can not be mounted alone on the mount for wide field AP like a DSLR can, but it works in your scope and is much, much lighter than a DSLR so your focuser would have no problems.

    If it were me, I would forget about imaging right now and save that for later. But if you can attach a tracking motor to the EQ mount you have, you could start imaging with a DSLR alone on that mount.
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    Explore Scientific 82 degree and 68 degree EPs, Baader 9mm Ortho, Meade 5000 SWA EP set, many more various EPs, Baader
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    Default Re: Cameras

    The Celestron AVX is one of the low end entry level of mounts for AP and they are not trouble free. You are better off moving up to something better.

    For a DSLR, you can take lots of short sub's/images (hundreds) and stack them, but this burns through shutter click/cycles, which DSLR's have a finite number of. Or you can take long sub's like 5 or 10 minutes and stack them, but then you have a lots of thermal and electronic noise from your camera. There are newer shutterless cameras or the latest ones have low noise, but these are more expensive. Either way you need about 90 minutes or more of sub's to image most DSO's. Take the number of sub's x the length of the sub's to get your total integration time. AP camera's have either an electronic shutter, or are designed with a simple mechanical shutter that will never wear out. Most AP camera's have TEC/Pelter coolers to cool the sensor to -10įC or colder to eliminate most of the thermal/electronic noise.

    I would recommend you get one or both of these books:
    Beginners Guide to Astrophotraghpy Catching the Light - Astrophotography by Jerry Lodriguss
    The Deep-sky Imaging Primer, Second Edition https://www.amazon.com/Deep-sky-Imag.../dp/0999470906

    AP is nothing like regular terrestrial photography. You do not need a large scope, especially to get started in AP. A large scope, needs a large mount. In fact, it is much easier to get started and learn with either just a camera lens or a small fast refractor.

    This was taken with an Orion Atlas mount $1500, QHY8L AP camera $1400, through an Orion ST80 scope $75 used (new around $150). So the scope is 80mm or 3.15" of aperture. It's 20 x 2 minute sub's.
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    Cameras: Canon XTi, DSI-C, DSI, ST402, QHY8L, QHY183C, QHY163M, ASI120MC-S (Allsky)
    Some of my Pic's http://www.astrobin.com/users/Pauls72/

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    Default Re: Cameras

    Nice to hear you are excited! I was the same when I set up my scope the first time. There are hundreds of amazing things to see up there and see how the sky changes through the year.

    I think there is a theme to the advice you are getting which is donít get the wrong gear for what you want to do and it will cost a bit more than 1k. If you want to do photography, the most important piece is the mount which has to precisely track the sky as the night progresses. The scope can actually be smaller than you think and you can get awesome photos. A used DSLR works fine for the camera. As Ozman13 said, a Celestron AVX is the bottom end of acceptable for Photos. I think a 3k budget can get you a solid rig for photography. For just visual, simply binoculars keep me happy for an evening under a dark sky.

    A good idea would be to see what gear people are using for the photos posted on this forum. The learning curve is something to consider too. I have been at this hobby for two years (loving it tremendously) and still feel like a beginner.
    Mount: Celestron AVX - Main scope: Celestron C8 SCT - Guide scope: Orion 80XT - Main camera: Sony a6000 - Guide camera: ZWOASI290 mini

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    Default Re: Cameras

    Thank you, vary helpful as I do have a larger budget to play with and need all the great input from you all at astronomy forum group, I will order some more books do to all the rain and clouds in sw Florida I have time to read up. And thanks again for honest answers, praying for clear sky’s

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    Default Re: Cameras

    IMNSHO, a camera 'phone is the worst that you can use. I agree with the replies but I would argue that they are mostly referring to long-exposure photography. There is loads that you can do without going down that route. I used a compact digital camera for years before I bought a DSLR and webcam. You can start honing your skills on the Moon and planets and even some of the brighter deep sky objects. As I am on a much lower budget than most, I will probably never do long-exposure photography. I don't mind too much, as I find plenty to photograph without it.

    You might like to browse my gallery: https://www.flickr.com/photos/philippughastronomer/
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    Default Re: Cameras

    Thank you for good input and sharing your Photo gallery .

 

 
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