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Добавлено: 17.04.2018 - 14:50

NGC 2903 is a field barred spiral galaxy about 30 million light-years away in the constellation Leo. It was discovered by William Herschel who cataloged it on November 16, 1784. NGC 2903 has a very high speed of creating new stars in the central region.

L = 34 * 900 sec. bin1, R = 10 * 1000 sec. bin2, G = 10 * 1100 sec. bin2, B = 10 * 1200 sec. bin2, Ha = 12 * 1800 sec. bin2.

Total - 23.7 hours.

Pixinsight 1.8 and Photoshop.

Добавлено: 05.04.2018 - 10:46

The Ghost Nebula (designated Sh2-136 and VdB 141) is a reflection nebula located in the constellation Cepheus. Looking at the adjacent image, the nebula's name is easily understood. The Ghost nebula is referred to as a globule (cataloged CB230) and over 2 light-years across. There are several stars embedded, whose emissions make the nebula shine in brownish color.

L = 17 * 1800 sec. bin1, RGB = 10 * 1000, 1150, 1300 sec. bin2, in each channel.

Total exposition - 18.1 hours.

Pixinsight 1.8, Photoshop.

Добавлено: 26.03.2018 - 10:25

NGC 3718 and NGC 3729 - galaxy in the constellation Ursa Major.

NGC 3718 and NGC 3729 was discovered by John Herschel in 1828 and 1782 years.

L = 37 * 900 sec. bin1, Ha = 10 * 1800 sec, RGB = 10 * 900 sec. bin2, in the each channel.

Total exposition - 21.75 hours.

Pixinsight 1.8 and Photoshop.

Добавлено: 18.03.2018 - 11:27

NGC 4214 is a dwarf barred irregular galaxy located around 10 million light-years away in the constellation Canes Venatici.

L = 21 * 600 sec. bin1, Ha = 11 * 1800 sec., RGB = 10 * 600 sec. bin2, in each channel.

Total exposition - 14.0 hours.

Pixinsight 1.8, Photoshop.