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Wednesday, 25 March 2015

Nikon D80 DSLR Images of partial eclipse of the Sun.

A partial eclipse of the Sun took place over Romania on 20 March 2015. Sun eclipses occur when the Moon passes between Earth and the Sun, and therefore totally or partially blocks the Sun's image from the perspective of the observer on Earth.
In most cases, the Moon is passing north or south of the Sun, so it does not happen any eclipse.

For what reason solar eclipses occur?

The plane of the orbit of the Moon around the Earth is tilted 5 degrees to the plane of Earth's orbit around the Sun. For a period of half a month, the Moon orbits the Earth at the north of the ecliptic (the plane of Earth's orbit) and half of the month, the Moon orbits at south of the ecliptic. Twice a month hence, the Moon passes through the Earth's orbital plane points called nodes. If the Moon travels from north to south, this phenomenon is called descending node, and when it moves from south to north, it is called ascending node.

When a new moon happens while it is very close to one of the nodes, a solar eclipse is inevitable.

This eclipse had a magnitude of 1.045. The longest total eclipse took place on the Faroe Islands, 2:45 min. It is the last total eclipse visible from Europe until 2026.

These are images of the astronomical event dated March 20, 2015, namely partial solar eclipse, which I surprised it through the 203 mm Newtonian telescope and Nikon D80 DSLR camera connected to it by a T ring. I used different exposures and ISOs .
Above is a gif of the images below.

A single Sunspot existed on the solar disk in the top left,named AR 2303

The Partial Eclipse in Baia Mare, Romania.

Partial eclipse begins on March 20, 10:46
The maximum partial eclipse is on March 20, 11:54
Partial eclipse ends on March 20, 13:05.

Telescope: Celestron 203mm Newtonian
Mount C5 / EQ5
Camera: Nikon D80 DSLR ring T
Eyepiece: no
Filter: solar
Date: March 20, 2015
Time: 10: 55-12: 57
Exposure: in description of the images
Location: Baia Mare, Romania

10:55, exp: 1/60 ISO 500.

10:56, exp: 1/80 ISO 500.
10:57, exp: 1/200 ISO 500.
10:57, exp: 1/4 ISO 500.

11:01, exp: 1/160 ISO 320.

11:04, exp: 1/2 ISO 320.

11:10, exp: 1/160 ISO 320.
11:18, exp: 1/160 ISO 320.

11:19, exp: 1/10 ISO 320.

11:27, exp: 1/250 ISO 800.

11:30, exp: 1/250 ISO 800.

11:32, exp: 1/250 ISO 800.

12:21, exp: 1/160 ISO 400.

12:22, exp: 1/6 ISO 500.

12:24, exp: 1/125 ISO 1000.

12:37, exp: 1/250 ISO 1000.

12:42, exp: 1/250 ISO 1000.

12:44, exp: 1/250 ISO 1000.

12:48, exp: 1/30 ISO 1000.

12:51, exp: 1/80 ISO 1000.

12:52, exp: 1/80 ISO 1000.

12:53, exp: 1/80 ISO 1000.

12:56, exp: 1/15 ISO 1000.
12:56, exp: 1/50 ISO 1000.

12:57, exp: 1/15 ISO 1000.


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