How to Calculate the Milky Way Photography Exposure Time

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  • เผยแพร่เมื่อ 10 ก.ค. 2024
  • 👉 To start planning your photos: www.photopills.com/
    In this video I show you how to use the Spot Stars calculator in PhotoPills to easily calculate the exposure time you need to use in your Milky Way photos to get pinpoint stars (avoid Star Trails).
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ความคิดเห็น • 75

  • @PhotoPills
    @PhotoPills  3 ปีที่แล้ว

    Need help planning and photographing the Milky Way? Comment below!
    👉 And check our super Milky Way Photography guide:
    www.photopills.com/articles/milky-way-photography-guide

  • @shafiquejanmohamed1703
    @shafiquejanmohamed1703 3 ปีที่แล้ว +1

    What an absolutely wonderful app PhotoPills is and what great instructional videos! Thank you!!

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Thanks so much!!

  • @southernexposure123
    @southernexposure123 2 ปีที่แล้ว +1

    Thanks for the video. No one else I found explains about declination like you did with the phone connected to the PC screen. Now I understand the difference declination makes.

    • @PhotoPills
      @PhotoPills  2 ปีที่แล้ว

      Glad the video helped! Thanks so much for watching ;)

  • @jcaff6963
    @jcaff6963 3 ปีที่แล้ว +1

    Thx, I got star trails on our last astro event. Now I'll use photopills to determine exposure settings and not rely on other formulas.

  • @skykingimagery899
    @skykingimagery899 11 หลายเดือนก่อน +1

    Short and quick. But excellent overview. Now with a polar mount star tracker you can optimize much better captures. But trying to create an optimal time lapse is very tricky.

    • @PhotoPills
      @PhotoPills  11 หลายเดือนก่อน

      Indeed!

  • @photorectoby
    @photorectoby 3 ปีที่แล้ว +3

    Nicely explained! I am a huge fan of Photopills!

  • @capt.gregrahe7615
    @capt.gregrahe7615 3 ปีที่แล้ว +1

    Your videos and app rock! Thanks for sharing the knowledge.

  • @rickhill65
    @rickhill65 3 ปีที่แล้ว +4

    Excellent video. Explains everything in clear detail. All I need now is a cloud busting machine. 😀

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      If you find one let me know. I need one too

    • @Mackymcd
      @Mackymcd 3 ปีที่แล้ว

      and star link, I spent 4 hours removing satellite trails from my latest star trail last week. :/

  • @martinesarret-talvela4018
    @martinesarret-talvela4018 3 ปีที่แล้ว +1

    Thanks Rafael. Always clearly explained!

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Thank you Martine!! Love

  • @Mackymcd
    @Mackymcd 3 ปีที่แล้ว +1

    excellent short info video, I'm sure everyone loves these type of tutorial thanks.

  • @pete-c
    @pete-c 3 ปีที่แล้ว +1

    Many thanks again for a great video, easy to understand very well explained.

  • @maryellenrosen
    @maryellenrosen 3 ปีที่แล้ว +1

    helpful video. thank you

  • @billtaylor1319
    @billtaylor1319 3 ปีที่แล้ว +2

    NPF Rule is quite valuable great information.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Yes! It's a great tool... Thank you Bill!

  • @nevadaxtube
    @nevadaxtube 3 ปีที่แล้ว +1

    Excellent video. Thank you.

  • @theodorethelin8921
    @theodorethelin8921 3 ปีที่แล้ว +1

    well done! Very helpful

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Thank you Theodore!

  • @The_Druid
    @The_Druid 3 ปีที่แล้ว +1

    Thanks for an excellent video. Recently did an A3 sized print of one of my images and the result was shocking. Now I know why. Cheers Rafael!

  • @scottnarus7558
    @scottnarus7558 3 ปีที่แล้ว +3

    I always use PhotoPills to calculate the NPF setting for exposure time, but I usually go a little less than the recommendation because I want pinpoint stars (even though I'm typically not printing). If I use what the NPF rule gives me, I often see star trails on the edges of the image, probably because these points are closer to the celestial equator and the stars are moving relatively faster there.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Scott Narus in this case you can use the accurate mode in the calculator :)

  • @wilcojuffer5940
    @wilcojuffer5940 3 ปีที่แล้ว +1

    you explain good thank you Rafael 👍

  • @jeg569
    @jeg569 3 ปีที่แล้ว +1

    Thank you for the video, great information, been wearing my yellow Gandalf T shirt 👍

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      You Shall Not Pass!!

  • @meribaldi660
    @meribaldi660 3 ปีที่แล้ว +1

    Excellent very helpful Thank you Grazie Mille 🙏

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว +1

      Thank you Meri!

  • @pbnana4
    @pbnana4 3 ปีที่แล้ว +1

    I watched this AFTER a special opportunity to shoot the Milky Way at the Grand Canyon North Rim. Thank goodness my guesswork was right! I’ll be more confident next time! BTW, this video was very good. Your presentation was better than when you are participating with another expert. Next time you invite an expert, let him/her talk.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Thank you for the feedback!

  • @joeavedu
    @joeavedu 3 ปีที่แล้ว +1

    thank you

  • @nusaceh776
    @nusaceh776 2 ปีที่แล้ว +1

    Very nice explanation. I have a question regarding Spot stars, at what ISO is it meant that you set aperture and shutter speed? Thanks.

    • @PhotoPills
      @PhotoPills  2 ปีที่แล้ว

      Hey! ISO does not play a role in the Spot Stars. The calculator works out the maximum exposure time you can use and still prevent stars from trailing. Then you use the ISO you need (3200, 6400) to get the exposure right. The aperture and shutter speed are the first parameters you decide, and then you use the ISO to nail the exposure :)

  • @L.Nyquist
    @L.Nyquist 3 ปีที่แล้ว +1

    Love this app!! The only thing I miss is the Northenlight index with dates and time.
    Thank you

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Thanks for the feedback!

  • @jmfoty4280
    @jmfoty4280 3 ปีที่แล้ว

    Thank you for another great video. You are an excellent teacher.
    Is it better to increase ISO and stack several images to reduce noise or use a lower ISO and push exposure in post-processing.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Using a lower ISO and pushing exposure in post will cause noise to appear too. It's better to stack several images. Take into account that if your camera is ISO invariant, it won't be a big difference between pushing up the ISO and using a lower ISO and pushing exposure in post. Check this article by our friend Ian Norman from Lonely Speck: www.lonelyspeck.com/how-to-find-the-best-iso-for-astrophotography-dynamic-range-and-noise/

  • @kenbrent4152
    @kenbrent4152 3 ปีที่แล้ว +1

    Great video, thanks! I always use the app before I get to the site. Though I do have some difficulties as I am out of cell phone tower range. Therefore, the planning is done with site knowledge and ahead of time. I just wish that I would get better results with my D500. It's got a good sensor, but I am having to push the exposure times even at f/2.8 @ 11-16mm. It it very frustrating.

  • @JohnSpinhirne
    @JohnSpinhirne 3 ปีที่แล้ว +1

    Thank you for the great video and app. One question. I am shooting with a Sony A6000, crop sensor, with a 10mm lens. Do I need to take the 1.5 crop factor into account when setting the lens focal length in the app or does it automatically account for it?

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Hi John! When you select your camera, PhotoPills takes into account the crop factor. So you need to introduce the real focal length :)

  • @rickderevan8026
    @rickderevan8026 3 ปีที่แล้ว +3

    Still confused about ISO setting. Am I to understand that I set the parameters you identify for a particular camera (i.e., camera, f/stop, time, and declination) then experiment with ISO to get a proper exposure for the designated shutter speed to avoid trails, or did you specify an ISO and I just missed it?

    • @carlosgregorio8750
      @carlosgregorio8750 3 ปีที่แล้ว +3

      The settings he is talking about are those that would keep your stars point sharp, that is, no star trails. Put those into your camera. Then set your ISO at 3200 and take a picture... like what you see? If not, increase or decrease your ISO by one more level, take a picture and again evaluate what you see. I own a D7200 and have fluctuated between ISO 4000 to ISO 6400.... oh... I am assuming that your f-stop is at its lowest level (shooting wide open). My lenses have f4 as their widest. Some people can shoot at f1.4 but may opt to shoot at f2.8.... if you are at f2.8 and are not getting enough light, then go to f1.4 before deciding on increasing ISO. Hope that helps

    • @rickderevan8026
      @rickderevan8026 3 ปีที่แล้ว

      @@carlosgregorio8750 Thank you. That clarifies it for me.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว +3

      The ISO comes last. First set the aperture and exposure time. And then find the ISO (1600, 3200, 6400) that works for you

  • @iggybeauchance7406
    @iggybeauchance7406 2 ปีที่แล้ว +1

    interesting topic - wish there was an english version...

    • @PhotoPills
      @PhotoPills  2 ปีที่แล้ว

      Thanks for the feedback...

  • @Ferangnl2009
    @Ferangnl2009 2 ปีที่แล้ว +1

    Rafael, Why is the ISO value not included in the calculation?

    • @PhotoPills
      @PhotoPills  2 ปีที่แล้ว

      Because we calculate the maximum exposure time we can use to capture as much light as possible but avoiding star trails. Then we use the ISO the get the exposure right.

  • @existircuantico7141
    @existircuantico7141 2 ปีที่แล้ว +1

    PhotoPills could you please help me? I have a R5 and I am trying with exposures of 30 seconds but I have a lot of hotpixels, do you speak spanish? Would you happen to know what I am doing wrong?

    • @PhotoPills
      @PhotoPills  2 ปีที่แล้ว

      Hey! Here there is an interesting thread about hotpixels on the R5: www.dpreview.com/forums/thread/4518059

  • @thomastuorto9929
    @thomastuorto9929 3 ปีที่แล้ว

    Helpful. Did I miss setting of the iso or?

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      he ISO comes last. First set the aperture and exposure time. And then find the ISO (1600, 3200, 6400) that works for you to adjust the exposure.

    • @thomastuorto9929
      @thomastuorto9929 3 ปีที่แล้ว

      @@PhotoPills Yup, just like adjusting for any other pic using your camera light meter. I realized this about 2 minutes after I asked. Call me speedy! Thanks for the reply.

  • @jaimemontilla7675
    @jaimemontilla7675 3 ปีที่แล้ว +1

    When can we expect the “spot star” pill to be updated to support Canon R5

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      This week we'll release a new update with the Canon R5

    • @jaimemontilla7675
      @jaimemontilla7675 3 ปีที่แล้ว +1

      PhotoPills Rafael, just saw the update. Many thanks. Just wanted to let you know that the Canon R5 and R6 are flipped. It’s says the R5 has the 20MP sensor and the R6 the 45MP sensor.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      @@jaimemontilla7675 It's already fixed. Yesterday we released an update for the Android app and today Apple reviewed the app and it has just been published.

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      @@jaimemontilla7675 Thank you Jaime! We've launched a new update. It should be fixed now :)

  • @gajanankanitkar4901
    @gajanankanitkar4901 3 ปีที่แล้ว

    You did not mention what is the ideal ISO to use in milky way photography. Can you please tell me with that?

    • @PhotoPills
      @PhotoPills  3 ปีที่แล้ว

      Because this video is about calculating the maximum exposure time you can get without having star trails. When you know the time, then you adjust the ISO. What value? It depends on the performance of your camera with hight ISO. Something between 1600 and 6400 is what people use. But you can use even bigger ISOs if your camera performs well.

    • @gajanankanitkar4901
      @gajanankanitkar4901 3 ปีที่แล้ว

      Thank you. I have a Nikon D5. So I think I can safely keep an ISO of 1600 without worrying about the noise. 🙏