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File:Mirach and "Mirach's Ghost" by Giuseppe Donatiello.jpg

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English: Mirach and NGC 404 or "Mirach's Ghost"
  • J2000.0 RA 01h 09m 43.92388s Dec +35° 37′ 14.0075″
  • Beta Andromedae (β Andromedae), or Mirach, is a prominent star in the constellation of Andromeda. Beta Andromedae is a red giant with a stellar classification of M0 III. At this stage of the star's evolution, the outer envelope has expanded to around 100 times the size of the Sun, at an effective temperature of 3842 K.
  • NGC 404 is a dwarf lenticular galaxy, located about 10 million light years in Andromeda. It is at 7 arc-minutes of second magnitude star Mirach, making it a difficult target to observe or photograph and granting it the nickname "Mirach's Ghost".
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Source https://www.flickr.com/photos/133259498@N05/49006259987/
Author Giuseppe Donatiello, ZTF DR1

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by gjdonatiello at https://flickr.com/photos/133259498@N05/49006259987 (archive). It was reviewed on 24 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

24 December 2019

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