How to Calculate the Milky Way Photography Exposure Time

Рет қаралды 15,384

Күн бұрын

👉 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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Пікірлер: 75

@PhotoPills 3 жыл бұрын

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

@southernexposure123 2 жыл бұрын

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 2 жыл бұрын

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

@shafiquejanmohamed1703 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

Thanks so much!!

@jcaff6963 3 жыл бұрын

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.

@PhotoPills 3 жыл бұрын

Awesome!

@skykingimagery899 11 ай бұрын

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 11 ай бұрын

Indeed!

@photorectoby 3 жыл бұрын

Nicely explained! I am a huge fan of Photopills!

@PhotoPills 3 жыл бұрын

Thanks so much!

@rickhill65 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

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

@Mackymcd 3 жыл бұрын

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

@capt.gregrahe7615 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

Thanks so much!

@martinesarret-talvela4018 3 жыл бұрын

Thanks Rafael. Always clearly explained!

@PhotoPills 3 жыл бұрын

Thank you Martine!! Love

@Mackymcd 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

Thanks!!

@pete-c 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

Thanks Pete!

@nevadaxtube 3 жыл бұрын

Excellent video. Thank you.

@PhotoPills 3 жыл бұрын

Thank you!

@billtaylor1319 3 жыл бұрын

NPF Rule is quite valuable great information.

@PhotoPills 3 жыл бұрын

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

@theodorethelin8921 3 жыл бұрын

well done! Very helpful

@PhotoPills 3 жыл бұрын

Thank you Theodore!

@maryellenrosen 3 жыл бұрын

helpful video. thank you

@PhotoPills 3 жыл бұрын

Thanks again!

@meribaldi660 3 жыл бұрын

Excellent very helpful Thank you Grazie Mille 🙏

@PhotoPills 3 жыл бұрын

Thank you Meri!

@wilcojuffer5940 3 жыл бұрын

you explain good thank you Rafael 👍

@PhotoPills 3 жыл бұрын

Thanks Wilco!

@jeg569 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

You Shall Not Pass!!

@The_Druid 3 жыл бұрын

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!

@PhotoPills 3 жыл бұрын

Thank you!

@scottnarus7558 3 жыл бұрын

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 3 жыл бұрын

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

@joeavedu 3 жыл бұрын

thank you

@PhotoPills 3 жыл бұрын

Thank you Joe!

@pbnana4 3 жыл бұрын

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 3 жыл бұрын

Thank you for the feedback!

@L.Nyquist 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

Thanks for the feedback!

@jmfoty4280 3 жыл бұрын

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 3 жыл бұрын

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 3 жыл бұрын

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.

@PhotoPills 3 жыл бұрын

I feel you...

@nusaceh776 2 жыл бұрын

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 2 жыл бұрын

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 :)

@JohnSpinhirne 3 жыл бұрын

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 3 жыл бұрын

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

@iggybeauchance7406 2 жыл бұрын

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

@PhotoPills 2 жыл бұрын

Thanks for the feedback...

@thomastuorto9929 3 жыл бұрын

Helpful. Did I miss setting of the iso or?

@PhotoPills 3 жыл бұрын

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 3 жыл бұрын

@@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.

@Ferangnl2009 2 жыл бұрын

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

@PhotoPills 2 жыл бұрын

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.

@rickderevan8026 3 жыл бұрын

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 3 жыл бұрын

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 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

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

@existircuantico7141 2 жыл бұрын

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 2 жыл бұрын

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

@jaimemontilla7675 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

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

@jaimemontilla7675 3 жыл бұрын

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 3 жыл бұрын

@@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 3 жыл бұрын

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

@gajanankanitkar4901 3 жыл бұрын

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

@PhotoPills 3 жыл бұрын

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 3 жыл бұрын

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