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Добавлено: 08.10.2017 - 16:28

Abell 2218 is a cluster of galaxies about 2 billion light-years away in the constellation Draco.

Acting as a powerful lens, it magnifies and distorts all galaxies lying behind the cluster core into long arcs. The lensed galaxies are all stretched along the cluster's center and some of them are multiply imaged. Those multiple images usually appear as a pair of images with a third — generally fainter — counter image, as is the case for the very distant object. The lensed galaxies are particularly numerous, as we are looking in between two mass clumps, in a saddle region where the magnification is quite large.

L = 31 * 1800 sec. bin1, RGB = 9 * 1800 sec. bin1.

Total exposition - 29 hours.

Pixinsight 1.8 and Photoshop.

Добавлено: 01.10.2017 - 14:57

NGC 7662, also known as the Blue Snowball Nebula or Snowball Nebula, is a planetary nebula located in the constellation Andromeda.

Ha = 20 * 1800 sec. bin1, OIII = 10 * 1800 sec. bin1, OIII = 20 * 900 sec. bin1.

Total exposition is 20 hours.

Pixinsight 1.8 and Photoshop.

Добавлено: 05.09.2017 - 09:55

NGC 4490, also known as the Cocoon Galaxy, is a barred spiral galaxy in the constellation Canes Venatici. It lies at a distance of 25 million light years from Earth. It interacts with its smaller companion NGC 4485 and as a result is a starburst galaxy.

NGC 4490 is located 3/4° northwest of beta Canum Venaticorum and with apparent visual magnitude 9.8, can be observed with 15x100 binoculars. It is a member of Herschel 400 Catalogue. It belongs in Canes Venatici galaxy cloud II.

It was discovered by William Herschel in 1788. Two supernovae have been observed in NGC 4490, SN 1982F, and type II-P SN 2008ax, with peak magnitude 16.1.

Добавлено: 16.08.2017 - 11:17

Messier 12 or M 12 (also designated NGC 6218) is a globular cluster in the constellation of Ophiuchus. It was discovered by the French astronomer Charles Messier on May 30, 1764, who described it as a "nebula without stars".

R = 11 * 400 sec. bin1, G = 11 * 460 sec. bin1, B = 11 * 560 sec. bin1.

PixInsight 1.8, Photoshop CC