stars and the milky way - Page 8





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  1. #141
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    Default Re: stars and the milky way

    Click image for larger version. 

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    Another one of the same power line structure that shows the dof of this lens. The lower bolts were probably about 1m away and almost in focus, the higher ones are in focus.
    Tried some light painting...
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  3. #142
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    Default Re: stars and the milky way

    That looks awesome with light painting..!
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  4. #143
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    Default Re: stars and the milky way

    I was at Mount Sheba (near Pilgrim's Rest) last week and took a few pics on the one clear night we had. Pics taken on top of Mount Sheba itself with a Canon 7d (ISO 6400, manual settings) with a Sigma 10-20 lens (F/4-F/5.6) at 10mm and F/4, manual focus. Unfortunately, the moon was half, directly overhead, so it messed up the lighting to a large degree. The exposure time was 8s in these pictures.







    And of course this had to get into a picture (far less processing on this as it messed up the lighting on the bakkie)




    The bright "star" in the lower part of the sky is Venus.
    Last edited by Bigal-SA; 2017/10/24 at 03:10 AM.

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  6. #144
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    Default Re: stars and the milky way

    Last edited by johan65; 2016/10/26 at 07:21 PM.

  7. #145
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    Default Re: stars and the milky way

    Quote Originally Posted by johan65 View Post
    so who is going to build me a cold plate
    http://www.cloudynights.com/topic/54...-does-it-work/

    Uhhhhhhhh wow! I wanna do this!

    Interesting article
    http://www.cloudynights.com/topic/55...2%80%A6/page-3

    but an even more interesting presentation from above link.
    http://www.cygni.be/online/presentatie_wga2016/-mt_potentials_of_high-end_dslr_in_a_ccd_dominated_environment.pdf
    Comment in red.
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  8. #146
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    Default Re: stars and the milky way

    Here is a pic that I took in the Cederberg recently
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  10. #147
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    Default Re: stars and the milky way

    And here is one taken at the low level bridge at Sanddrif
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  12. #148
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    Default Re: stars and the milky way

    My first attempt at photographing stars. I do not have fancy equipment or a wide angle lens. Taken with a Nikon D5100 and kit 18-55 lens. The panorama is 6 images stitched. On reflection it would probably have been better if I had shot the panorama portrait rather than landscape mode.
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    Last edited by petewill; 2016/11/01 at 02:09 PM.
    Pete

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  14. #149
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    Default Re: stars and the milky way

    Guys....

    Is this the right one for Nikon?
    Don't know how yours looks like..
    https://www.amazon.com/Samyang-SY14M...4mm+f2.8+nikon

    EDIT,
    Is this the same build?
    https://www.amazon.com/Rokinon-Ultra...4mm+f2.8+nikon
    Last edited by mariusrautenbach; 2016/11/03 at 08:57 AM.
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  15. #150
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    Default Re: stars and the milky way

    Quote Originally Posted by mariusrautenbach View Post
    Guys....

    Is this the right one for Nikon?
    Don't know how yours looks like..
    https://www.amazon.com/Samyang-SY14M...4mm+f2.8+nikon

    EDIT,
    Is this the same build?
    https://www.amazon.com/Rokinon-Ultra...4mm+f2.8+nikon
    Yes it is. Check on the Amazon page by entering your camera info to see if the lens will fit. My Rokinon (for Canon) looks the same as both samples pics. Also read the reviews and questions on the Amazon page.

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  17. #151
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    Default Re: stars and the milky way

    Quote Originally Posted by petewill View Post
    My first attempt at photographing stars. I do not have fancy equipment or a wide angle lens. Taken with a Nikon D5100 and kit 18-55 lens. The panorama is 6 images stitched. On reflection it would probably have been better if I had shot the panorama portrait rather than landscape mode.
    Peter, where did you focus on the first pic? I ask because both the house and the stars look a bit soft. I am not sure if it is a function of the kit lens.

    I try to focus manually, so auto focus is off. I focus on infinity, the symbol on the lens is the no 8 that lies on its side. You can also try to use auto focus. Often there is not enough light to enable the lens to focus automatically. I will then shine a light on the house in this instance, get your focus and then once you get focus confirmation, turn auto focus off and provided you don't accidently move the focus ring or bump the lens, your lens will be in focus until you change focus manually or flip the auto focus on again. If the lens has some form of image stabilisation or vibration control I also deactivate that function. Take a test shot and enlarge the image on the screen to see if the stars are a nice sharp pin prick in the sky. Keep in mind the 500 rule to prevent star trails: 500 divided by your focal length (18mm x 1.5) equals the max time the shutter can be open before you will start seeing star trails. About 18 seconds if you use your camera and lens combo. Use a remote shutter release or the delay timer on the camera to minimise the risk of camera shake.

    Your next challenge is to make a long exposure, 30 minutes +, to get a nice star trail.

  18. #152
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    Default Re: stars and the milky way

    Merwe, I tried to focus on the house in live view manual. The camera was mounted on a tripod with a remote shutter release. VR was off. Exposure was f4, 30 sec, ISO 3200, white balance set at cool white fluorescent and aperture 18mm (full frame equivalent 27mm). I lit the house for a couple of seconds with a LED head lamp. The frames making up the panorama were the same settings although done on the following night. The bright spot on the top of the hills is the moon setting. I tried some other shots with the moon visible above the hills but without success. I need a lot more practice.
    Pete

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  19. #153
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    Default Re: stars and the milky way

    Click image for larger version. 

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    I know this does not really fit the thread...
    The image was shot at around midnight at full moon. Iso500, 20s. I like the effect of shooting by moonlight.
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  21. #154
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    Default Re: stars and the milky way

    Between Warmbad and Nylstroom.
    Only aimed it quickly. Noticed that after I took the image
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  22. #155
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    Default Re: stars and the milky way

    Does anybody here use photo pills?

    And if so, would you be prepared to do a few calculations for me on a few selected dates and locations?
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  23. #156
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    Default Re: stars and the milky way

    Quote Originally Posted by Peter Connan View Post
    Does anybody here use photo pills?

    And if so, would you be prepared to do a few calculations for me on a few selected dates and locations?
    What is photo pills?
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  24. #157
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    Default Re: stars and the milky way

    Quote Originally Posted by mariusrautenbach View Post
    What is photo pills?
    HahaMarius. I wrote earlier the same question but decided against posting, was scared someone will think I'm dof
    "Stare, pry, listen, eavesdrop. Die knowing something, you are not here long"
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  25. #158
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    Default Re: stars and the milky way

    It is an app that helps you to plan night shots. It tells you what will be where and when, and specifically also the milky way's galactic centre, and at what angle the milky way will be. It has some sort of setting where you can basically hold your phone up and get a pretty good idea of what your photo is going to look like.

    Google it, it really looks rather amazing.
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  26. #159
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    Default Re: stars and the milky way

    Quote Originally Posted by mariusrautenbach View Post
    Guys....Is this the right one for Nikon?Don't know how yours looks like.. https://www.amazon.com/Samyang-SY14M...4mm+f2.8+nikonEDIT,Is this the same build?https://www.amazon.com/Rokinon-Ultra...4mm+f2.8+nikon
    What is the built in AE chip for Nikon? What difference to the normal Nikon one?
    Tobie Oosthuizen
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  27. #160
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    Default Re: stars and the milky way

    The AE chip is not important for star photography, but can be helpful if you want to use the lens for daytime photography.

    The "enthusiast"-level Nikons (everything from D7000 and up/newer) can meter and work properly with an un-chipped lens in Manual and Aperture-priority modes, although the meter may be slightly less accurate (some metering modes don't work and the camera defaults to something else).

    The cheaper Nikons may only work with an un-chipped lens in Manual mode.

    But, since star photography is all done in Manual mode, this is not important for star photography.
    1996 Patrol 4.2SGL with lots of stuff to make it heavier and thus increase traction?

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