2023-12-13 13:38:00
We have arrived in the last month of 2023. NARIT, National Astronomical Research Institute (NRCT), has released the coordinates. tourist attraction Watch the phenomenon Geminid meteor shower Night of the 14th – morning of December 15, 2023, starting to be observed at approximately 8:00 p.m. onwards until dawn. Expect the highest average falling rate after midnight, approximately 120-150 stars per hour. Anyone who still can’t figure out where to go? Prepare to pinCount the starsAt dark sky conservation areas in Thailand, totaling more than 30 locations throughout the country as follows:
tourist attraction observation point Geminids meteor shower at all 30 locations
- Northeast and eastern region
- Central and western regions
stargazing place All 30 locations nationwide that has been registered as a dark sky conservation area in Thailand It is considered a suitable place for observing meteor showers. Because it is ready to provide services to tourists, such as having open space without trees or objects blocking the horizon. Have good lighting management and has facilities suitable for all forms of tourism.
Those interested can search for observation points. Geminid meteor shower All 30 locations can be found here. (click) and updates on all stargazing activities from Dark Sky areas throughout Thailand at facebook : Dark Sky (click)
Techniques for photographing meteor showers like an astronomer’s
- Geminid meteor shower
Geminid meteor shower or the meteor shower of the twin constellations It will occur between the 4th and 20th of December every year. Its distribution center is in the constellation of Twins. This year, astronomers predict that the peak rate will be between midnight on December 14th and 15th December 2023, approximately 120-150 stars per hour. In the east, from around 8:00 p.m. onwards, the meteor shower will appear as flashing beams of light across a wide area of the sky. Can be seen with the naked eye It was a night without disturbing moonlight. Therefore, it is very suitable for viewing and setting up the camera to take pictures.
- Meteor shower photography
In the past, astrophotographers did not have digital cameras. And there is no intelligent image editing program. But it is possible to take beautiful pictures of meteor showers by leaving the camera exposed. Today, we have both modern technology and programs. Shooting meteor showers is therefore more convenient and produces sharper images. The important technique used is image stacking, which involves taking multiple images and putting them together.
- Meteor shower photography equipment Astronomer Edition
1. Digital camera with shutter release cable
2. Wide-angle, fast lenses – The advantage of fast lenses is This makes it easy to capture the flashes of the meteor shower. There is no need to push the ISO high and the wide-angle lens range also increases the chance of getting more images of meteor showers attached to the image. All this Ordinary kit lenses can also be used for photography.
3. Tripods and Star Trackers – Star trackers are essential equipment for astronomers to keep track of celestial objects. Meteor shower photography allows us to capture meteor showers with the same center of distribution. The same constellation can be used to stack images later. If we don’t take photos following the stars Each meteor shower image will change position continuously. The movement of the celestial sphere makes it difficult to stack images later.
- Photography techniques and methods
1. Set up the camera before taking pictures as follows: – Time used for recording images starts from 30 seconds or more – Use a wide aperture value such as f/1.4 f/2.8 so that the camera has the sensitivity to capture flashes of light or Meteor Shower Fireballs – Use a high ISO sensitivity setting to make the camera most sensitive to light during the meteor shower, such as ISO 3200 or higher. – Set the continuous shooting mode (Continuous Mode) to allow the camera to continue taking photos. During the entire period of the meteor shower, turn off the Long Exposure Noise Reduction system to allow the camera to shoot continuously without interruption in Dark Frame photography. – Change the Color space mode to Adobe RGB to provide a color space that has a wider color range than normal. sRGB- Anti-shake off and the lens’ autofocus system- focuses at infinity. You should choose to focus on the bright star to get the sharpest, smallest star image by using the Live View system to help focus.
2. Set the camera away from the foreground. Keep it as far away as the hyperfocus distance. This may be calculated from the website at this link. www.dofmaster.com Or should be at least 3-4 meters away approximately.
3. Set up the camera on a tripod following the stars. Because the meteors will shoot out from the center of the distribution (Radiant). This way we will actually get the meteor shower image from the radian point. And the important thing is We’ll get more meteor shower photos than when photographed on a stationary tripod. Because of the location of the center of distribution Will move and change positions continuously.
However, Setting up the camera on a tripod to follow the stars It is an important technique for photographing meteor showers in order to get images with the highest number of meteors attached. and clearly shows the distribution from the center
4. Point the camera at the center of distribution (Radiant) with the point in the center of the image.
5. Shoot continuously for at least 3-4 hours, using an exposure value of approximately 30 seconds per photo or more.
6. Midnight is the best time Because it is time for the world in which we live to receive a meteor coming straight in.
7. I want a long shooting star. It must be after midnight or close to dawn. This is when the meteor follows the direction of the Earth’s rotation. Therefore causing the shooting star to be seen running slowly.
8. Put the meteor shower images together. From hundreds of images, select only those with meteors and combine them in Photoshop or Star Stack to clearly see the distribution of the meteor shower.
Origin NARIT National Astronomical Research Institute
1702496340
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