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Thread: Capturing the Milky Way

  1. #1
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    Capturing the Milky Way



    Anyone know of any good resources or even posts on this site about the different techniques of capturing the milky way? It seems the search function is down at this moment and I usually like to do some research before posting a question.


    Thanks,





    Rocco

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    Re: Capturing the Milky Way



    Hey Rocco...I'm not sure about technique, but I do know it takes a really good lens at infinity, and it helps to have a fast one , too. Here are a couple examples I took while in Yosemite. Actually they were taken at my Dad's second house in Pine Mountain Lake, near Yosemite. All taken with 1D4 and my new Zeiss 35 1.4 @1.4...


    Big dipper, at 25 sec, @iso 200


    [img]/resized-image.ashx/__size/800x0/__key/CommunityServer-Discussions-Components-Files/12/0243.Vacation_2D00_63.jpg[/img]


    20sec @ISO 320


    [img]/resized-image.ashx/__size/800x0/__key/CommunityServer-Discussions-Components-Files/12/7851.Vacation_2D00_64.jpg[/img]


    10sec@ISO 400


    [img]/resized-image.ashx/__size/800x0/__key/CommunityServer-Discussions-Components-Files/12/8561.Vacation_2D00_69.jpg[/img]


    and my favorite with shooting star..30sec ISO 200


    [img]/resized-image.ashx/__size/800x0/__key/CommunityServer-Discussions-Components-Files/12/1108.Vacation_2D00_62.jpg[/img]


    And then I found out when I got home, that there was an app from Amazon for my DroidX that has GPS and a Star Chart..just downloaded it, but it was too late...next time.


    The great thing about digital, is go out and try, and see what you come up with. give it a shot, it's fun!!


    Gregg



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    Re: Capturing the Milky Way



    Shooting the milky way is one of my favorite hobbies. There are several different methods. Here is a rough overview of what you need:


    You will need dark skies. This is the primary factor. Most night skies, these days, reveal only light pollution -- very little of the milky way can get through (unless you want to do a narrow-band image of the milky way). Find a lost astronomy club and they can tell you all the good spots near (e.g. 2 hour drive) and far (8 hour drive). What they can

  4. #4
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    Re: Capturing the Milky Way



    Ooooh I like this topic (Hi everybody BTW - it's been a while between posts for me)


    First of all, here's a pic I took of the Milky Way a couple of weeks back.


    Canon 5D2, Canon 24-70mm f/2.8L @ 49secs, 24mm, ISO 3200, f/5.0


    www.flickr.com/.../5807181371][img][View:http://farm3.static.flickr.com/2340/5807181371_fd0aefece1_z.jpg][/img][/url]


    www.flickr.com/.../5807181371]The Milky Way[/url] by www.flickr.com/.../ben_taylor_au]Ben__Taylor[/url], on Flickr


    Now, the tips I have for you. If you want to create a static shot like this one you'll need a reasonably fast shot. So less than 30 secs is ok although you still might get a little movement (as you can see slightly above). To achieve this, though you'll need a high ISO. This is much easier with a full frame camera because the high ISO performance is much better than a crop sencor. Lightroom 3 handles noise very well for me as well so that helps.


    If you want to get some good startrails you can either stack a bunch of shorter exposures or take one extended exposure like this one (approx 35 mins)



    Milky Way Star Trails by Ben__Taylor, on Flickr


    As Daniel said, a dark sky is a MUST. Too much ambient light will ruin the photo. Where I took this shot, there's nothing for a very long way. Basically the middle of nowhere.


    Which lens, for a night sky the wider the better. I would love to have had a wider lens for this shot so I would say 24mm equivalent focal length (on FF) is as narrow as you'd like to go.


    Tripod - check. No way around this one.


    Also try to get somewhere with something interesting in the foreground - it gives the shot some perspective and makes things more interesting overall.


    Hope this helps.


    Ben
    http://www.flickr.com/photos/ben_taylor_au/ www.methodicallymuddled.wordpress.com
    Canon 5D Mark III | Canon 5D Mark II | Samyang 14mm f/2.8 | Canon 35mm f/1.4L USM | Sigma 85mm f/1.4 EX DG HSM |Canon 70-200mm f/2.8L IS II |Canon 2 x Teleconverter III | Canon 580 EX II Speedlite | Really Right Stuff TVC 34L | Really Right Stuff BH55 LR | Gorillapod Focus | Really Right Stuff BH 30

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    Re: Capturing the Milky Way



    Thanks for the feedback guys. (and WOW Ben, that

  6. #6
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    Re: Capturing the Milky Way



    I made a while back 17mm on your 7D should be fine. When stacking shots I've always used the startrails application. I can never get it to change to english though for some reason so I've historically fumbled my way around the German version.


    When using startrails you do have to take a dark frame as you mentioned to help the program delineate between stars and just random noise - I normally just put the lens cap on for a shot and do it that way. I have attempted stacking in photoshop but it takes AGES with the 5D2 file sizes.


    Here's a shot I took a while ago with my 40D and Canon 10-22mm UWA lens. From memory it was about 460 x 10 sec images stacked. I much prefer to take just one long exposure photo. Less work, better results. However this is much more achievable with the 5D2.



    Boulia Star trails by Ben__Taylor, on Flickr
    http://www.flickr.com/photos/ben_taylor_au/ www.methodicallymuddled.wordpress.com
    Canon 5D Mark III | Canon 5D Mark II | Samyang 14mm f/2.8 | Canon 35mm f/1.4L USM | Sigma 85mm f/1.4 EX DG HSM |Canon 70-200mm f/2.8L IS II |Canon 2 x Teleconverter III | Canon 580 EX II Speedlite | Really Right Stuff TVC 34L | Really Right Stuff BH55 LR | Gorillapod Focus | Really Right Stuff BH 30

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    Re: Capturing the Milky Way



    BTW I used a torch to light up the foreground here.
    http://www.flickr.com/photos/ben_taylor_au/ www.methodicallymuddled.wordpress.com
    Canon 5D Mark III | Canon 5D Mark II | Samyang 14mm f/2.8 | Canon 35mm f/1.4L USM | Sigma 85mm f/1.4 EX DG HSM |Canon 70-200mm f/2.8L IS II |Canon 2 x Teleconverter III | Canon 580 EX II Speedlite | Really Right Stuff TVC 34L | Really Right Stuff BH55 LR | Gorillapod Focus | Really Right Stuff BH 30

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    Re: Capturing the Milky Way



    wow...now that's what I'm talking about. You guys make my attempts look really meager!!! I will have to try harder next time!!


    Gregg

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    Senior Member Raid's Avatar
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    Re: Capturing the Milky Way



    OT I know


    I always wondered why when Canon introduced the 20DA (Astronomy) that this was the first and last version. I now understand that this community has moved to use purpose built video cameras for their telescopes (some with a CCD cooler to reduce thermal noise). These are often cheaper than a DSLR and are designed to attach directly to the eyepiece. They then take a few minutes of video of the subject direct to a laptop and use software (freeware I understand) to compensate for movement and atmospheric changes.


    I
    Canon EOS 7D, EF-S 10-22, EF 24-105L, EF 50 f1.2L, EF 70-300L, 430EX.

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    Re: Capturing the Milky Way



    Quote Originally Posted by Raid
    I always wondered why when Canon introduced the 20DA (Astronomy) that this was the first and last version

    I think the primary reason they only did it was is because it failed to meet sales expectations. If they had made a lot of money, I'm sure they would have continued doing astronomy versions of newer cameras. I think the reason it failed is twofold: the market is small, and Canon crippled the product. By cripple, I mean they went to a lot of work to slightly modify the IR filter rather than get rid of it altogether. Why did they cripple it? Because of the whiny panty-waisted worry worts. ("Oh noes! If Canon removes the IR filter, then the camera will be able to see through clothes! Wont somebody think of the children!!?!11oneone"). So, as per usual, fear trumps freedom, and no one can get unfiltered cameras. Any serious astronomer would still have to send in their 20Da to have the filter removed, and if they're going to bother doing that, why not just buy a (much, much) cheaper 20d in the first place? The only market for a 20Da is astrophotographers that *don't* want to image infra-red, making the market that much smaller.


    Quote Originally Posted by Raid
    I now understand that this community has moved to use purpose built video cameras for their telescopes

    Actually, we still use DSLRs and purpose-built CCDs. The video cameras are primarily for planetary imaging.

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