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Contains:  M 91, NGC 4548
Getting plate-solving status, please wait...

Messier 91 - RGB - Liverpool Telescope

Technical card

Resolution: 1992x1921 job: 2568118

RA center: 188.862 degrees

DEC center: 14.501 degrees

Pixel scale: 0.304 arcsec/pixel

Orientation: 179.977 degrees

Field radius: 0.117 degrees

Data source: Professional, scientific grade data


Hello! Well, closing this fruitful friday, this is my processing attempt for Messier 91! :-) Hope you enjoy this picture!!

"Messier 91 (also known as NGC 4548 or M91) is a barred spiral galaxy located in the Coma Berenices constellation and is part of the Virgo Cluster of galaxies. M91 is about 63 million light-years away from the earth. It was the last of a group of eight nebulae discovered by Charles Messier in 1781.

Originally M91 was a missing Messier object in the catalogue as the result of a bookkeeping mistake by Messier. It was not until 1969 that amateur astronomer William C. Williams realized that M91 was NGC 4548, which was documented by William Herschel in 1784 (according to other sources, however, the nearby spiral galaxy NGC 4571 was also considered as a candidate for Messier 91 by him". Source: Wikipedia



Daniel Nobre
License: None (All rights reserved)

Sky plot

Sky plot


Messier 91 - RGB - Liverpool Telescope, 


            Daniel Nobre