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Добавлено: 10.03.2018 - 08:33

NGC 2685 (also known as the Helix Galaxy) is a lenticular and polar ring Seyfert Type 2 galaxy in the constellation Ursa Major. It is about 50,000 light-years across and about 42 million light-years away from Earth. It is receding from Earth at 883 kilometers per second.

It was discovered by Wilhelm Tempel in 1882.

L = 17 * 1800 sec. bin1, RGB = 8 * 1000, 1100, 1200 sec. bin2, in each channel.

Total exposition - 15.8 hours.

Pixinsight 1.8, Photoshop.

Добавлено: 30.01.2018 - 09:35

Messier 37 (also known as M37 or NGC 2099) is the richest open cluster in the constellation Auriga. It is the brightest of three open clusters in Auriga and was discovered by the Italian astronomer Giovanni Battista Hodierna before 1654. M37 was missed by French astronomer Guillaume Le Gentil when he rediscovered M36 and M38 in 1749. French astronomer Charles Messier independently rediscovered M37 in September 1764 but all three clusters were recorded by Hodierna.

R = 10 * 600 sec. bin1, G = 10 * 690 sec. bin1, B = 10 * 780 sec. bin1.

PixInsight 1.8, Photoshop CC

Добавлено: 22.12.2017 - 18:24

NGC 2633 and NGC 2634 - spiral and elliptical galaxies in the constellation Giraffe. They were discovered by Ernst Wilhelm Leberecht Tempel on August 11, 1882.

L = 17 * 1800 sec. bin1, RGB = 11 * 1000, 1100, 1200 sec. bin2, Ha = 13 * 1800 sec. bin2, in each channel.

Total exposition - 25 hours.

Pixinsight 1.8, Photoshop.

Добавлено: 20.12.2017 - 20:31

NGC 772 (also known as Arp 78) is an unbarred spiral galaxy approximately 130 million light-years away in the constellation Aries.

Around 200,000 light years in diameter, NGC 772 is twice the size of the Milky Way Galaxy, and is surrounded by several satellite galaxies.

L = 20 * 1800 sec. bin1, R = 12 * 900 сек. bin2, G = 12 * 1000 сек. bin2, B = 12 * 1100 сек. bin2.

Total exposition - 20 hours

Pixinsight 1.8 and Photoshop.