About image
Messier 58 (also known as M58 and NGC 4579) is an intermediate barred spiral galaxy with a weak inner ring structure located within the constellation Virgo, approximately 68 million light-years away from Earth.
It is one of the four barred spiral galaxies that appear in Messier's catalogue.
Like many other spiral galaxies of the Virgo Cluster, Messier 58 is an anemic galaxy with low star formation activity concentrated within the galaxy's optical disk.
(text adapted from Wikipedia)
Technical data
Optic GSO RC12 Truss - Aperture
304mm, focal lenght 2432mm, f/8
Mount 10Micron GM2000 HPSII
Camera ZWO ASI 2600 MM Pro with filter wheel 7 positions
Filters Astrodon Gen2
E-Serie Tru-Balance 50mm unmounted LRGB
Guiding system ZWO OAG-L with guide camera ASI 174MM
Exposure details L 34x300" bin3 -20C
R 18x300" bin3 -20C
G 18x300" bin3 -20C
B 18x300" bin3 -20C
Total integration 7h20'
Acquisition Voyager, PHD2
Processing Pixinsight 1.8,
Photoshop CS5
SQM-L 21.16
Location Promiod (Aosta
Valley, Italy), own remote observatory
Date 24/26 March, 5 April 2022