What is the 30 30 rule for lightning?

When You See Lightning, Count The Time Until You Hear Thunder. If That Is 30 Seconds Or Less, The Thunderstorm Is Close Enough To Be Dangerous – Seek Shelter (if you can’t see the lightning, just hearing the thunder is a good back-up rule). Wait 30 Minutes Or More After The Lightning Flash Before Leaving Shelter.

for instance, What is the best shutter speed for night photography?

Shutter Speed – 30 to 60 seconds. As it’s dark, a longer shutter speed will give enough time to let a lot of light to enter the camera. If you find your photography coming out too dark, increase the time, if your photos are coming out too light, decrease the time.

significantly, What happens if you are in the water when lightning strikes?

When lightning strikes, most of electrical discharge occurs near the water’s surface. Most fish swim below the surface and are unaffected. Although scientists don’t know exactly just how deep the lightning discharge reaches in water, it’s very dangerous to be swimming or boating during a thunderstorm.

also What happens if lightning strikes your house?

When you hear thunder, you know there is lightning. If lightning strikes your house, it might not catch fire, but it can damage the electrical components of your house which can start a fire. It can also damage roof shingles, chimneys, and more.

What do I do if I get hit by lightning? Call 911 immediately if someone has been struck by lightning. Next, see if it is safe to touch the person. Move him or her to a safer area if there is a continued danger from lightning strikes. If the person is not breathing or has no pulse, start cardiopulmonary resuscitation (CPR) and continue until help arrives.

What should ISO be at night?

While the exact settings will change from picture to picture, the ideal settings for night photography is a high ISO (typically starting at 1600), an open aperture (such as f/2.8 or f/4) and the longest possible shutter speed as calculated with the 500 or 300 rule.

What is the 500 rule in photography?

The 500 Rule

It recommends that your shutter speed is equal to 500 ÷ Equivalent Focal Length. So, if your full-frame equivalent focal length is 20mm, the 500 rule would suggest that you use a shutter speed of 500 ÷ 20 = 25 seconds.

Is lightning hotter than the sun?

Air is a very poor conductor of electricity and gets extremely hot when lightning passes through it. … In fact, lightning can heat the air it passes through to 50,000 degrees Fahrenheit (5 times hotter than the surface of the sun).

Has anyone ever died from lightning in a pool?

So it sounds plausible that it could happen to you. But according to Aquatic Safety Research Group, “There are no documented reports of fatal lightning strikes at indoor swimming pools. None! Ever!”

Do birds get struck by lightning?

Lightning also strikes birds. An observer once saw a bolt of lightning strike a large flock of migrating snow geese, dropping more than 50 of the birds. Bald eagles have been struck while sitting on their nests, and John James Audubon described two common nighthawks blown from the sky by a lightning bolt.

Can lightning go through a house?

Lightning has the ability to strike a house or near a house and impart an electrical charge to the metal pipes used for plumbing. … Lightning is a very dangerous force that, yes, can even reach you indoors if you’re in contact with the telephone or plumbing.

What are 5 safety tips for lightning?

Protect Yourself from Lightning Strikes

Immediately get off elevated areas such as hills, mountain ridges, or peaks.
Never lie flat on the ground. …
Never shelter under an isolated tree.
Never use a cliff or rocky overhang for shelter.
Immediately get out of and away from ponds, lakes, and other bodies of water.

Do cell phones attract lightning?

“Cell phones, small metal items, jewellery, etc., do not attract lightning. Nothing attracts lightning. Lightning tends to strike taller objects,” said John Jensenius, a NOAA National Weather Service lightning expert. “People are struck because they are in the wrong place at the wrong time.

Is it safe to poop during a thunderstorm?

That combined with the methane gas in poop caused the bomb-like effect that traveled through the pipes, exploding the toilet in their master bathroom. … The plumbing company said this is just as rare as getting struck by lightning yourself. Luckily, the mess will be covered by insurance.

How do I take good night photos with my phone?

6 Useful Tips to Take Better Photos at Night with an Android…

Turn on HDR Mode. …
Use the Self-Timer. …
The Flash Isn’t Always the Solution. …
It’s Called Pro for a Reason. …
Know When a Night Picture Is Possible. …
Increase the ISO to 400.

Is High ISO good for low light?

Choosing a higher ISO setting is best when the light is low or you are not able to make a long exposure. Higher ISO setting means your camera’s sensor is more responsive to light, so it needs less light to reach the sensor to create a well-exposed photograph.

What film is best for night photography?

Favorite Film Stocks for Low Light

Kodak Portra 400. Stock up on Kodak Portra 400 for your next shoot! …
Ilford Delta 3200. Stock up on Ilford Delta 3200 for your next shoot! …
Fujifilm Fujicolor 400H. Stock up on Fujifilm Fujicolor 400H for your next shoot! …
Ilford HP5. Stock up on Ilford HP5 for your next shoot!

What’s the best shutter speed for stars?

To photograph the stars in the sky as pinpoints of light, start with as wide an f/stop as your lens allows, and shutter speed of about 20 seconds. Any more time than that and the stars will begin to blur.

What is NPF rule?

It is a complex rule that takes sensor resolution into account. The NPF stands for. N = aperture (it’s the official notification of aperture in optics), P = pixel density, the distance between the pixels on the sensor, also called pixel pitch, F = focal length.

How do I get the best astrophotography?

What settings do you use for astrophotography?

Use manual or bulb mode.
Use a “fast” aperture of F/2.8 – F/4.
Set your white balance setting to daylight or auto.
Set your exposure length to 15-30-seconds.
Shoot in RAW image format.
Use Manual Focus.
Use an ISO of 400-1600 (or more)
Use the 10-second delay drive mode.

What color lightning is the strongest?

What Color Lightning is the Strongest?

Blue – this color of lightning is an indication that a high precipitation storm is occurring with chances of hail. …
Purple – this color of lightning occurs when there is high humidity in the atmosphere and is typically accompanied by high precipitation.

What is the hottest thing in the universe?

The dead star at the center of the Red Spider Nebula has a surface temperature of 250,000 degrees F, which is 25 times the temperature of the Sun’s surface. This white dwarf may, indeed, be the hottest object in the universe.

What material can withstand 6000 degrees?

Tantalum carbide (TaC) and hafnium carbide (HfC) are refractory ceramics, meaning they are extraordinarily resistant to heat.

Is it safe to swim during lightning?

Since water conducts electricity so well, there is no safe place in the water during an electrical storm. Lightning current dissipates in all directions. Even if the first strike was several miles away, you should never put yourself or your loved ones in danger.

Is it safe to sit in a bathtub during a lightning storm?

Is it safe to take a shower or bath during a lightning storm? No. Lightning can travel through plumbing. It is best to avoid all water during a lightning storm.

What happens if lightning strikes a car?

The electric charge that hits the car during a lightning strike passes from the metal to the ground. Modern cars come with a host of safety features and shockproof systems as well. This means a chance of severe damage to the critical systems inside a vehicle is unlikely.