File:Donatiello I TNG official (cropped).jpg

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Summary

Description
English: Credit: Telescopio Nazionale Galileo - TNG/DOLORES/ Walter Boschin, Giuseppe Donatiello, David Martínez-Delgado

Donatiello I (Do I) was found on 23 September 2016 in a deep wide field amateur image of the Andromeda galaxy region obtained from the composition of a set of images taken during several years with a refractor ED127mm by the italian amateur astronomer Giuseppe Donatiello. The main purpose of this wide-field mosaic of the area between M31 and M33 was to detect the stellar streams and M31 satellites previously reported in the PAndAs. The detection was confirmed by a visual inspection of the SDSS DR9 images and follow-up observations using the professional facilities TNG and GTC (La Palma, Spain).

Martínez-Delgado et al.: Mirach’s Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy arxiv.org/abs/1810.04741
Date
Source https://www.flickr.com/photos/133259498@N05/43475732760/
Author Giuseppe Donatiello
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13 October 2018

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Date/TimeThumbnailDimensionsUserComment
current03:38, 20 September 2019Thumbnail for version as of 03:38, 20 September 2019499 × 499 (59 KB)PhilipTerryGrahamFile:Donatiello I TNG official.jpg cropped 80 % horizontally, 80 % vertically using CropTool with precise mode.
03:14, 23 February 2019Thumbnail for version as of 03:14, 23 February 2019966 × 966 (174 KB)PhilipTerryGrahamReverted to version as of 13:52, 21 February 2019 (UTC)
12:54, 22 February 2019Thumbnail for version as of 12:54, 22 February 2019937 × 703 (128 KB)PhilipTerryGrahamCropped 3 % horizontally, 27 % vertically using CropTool with precise mode.
13:52, 21 February 2019Thumbnail for version as of 13:52, 21 February 2019966 × 966 (174 KB)PhilipTerryGrahamFile:Donatiello I TNG official.jpg cropped 61 % horizontally, 61 % vertically using CropTool with precise mode.
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