M 99

M 99

M 99 is a classed as a grand design spiral galaxy in Coma Berenices at a distance of 49 MLY, and is a member of the Virgo Cluster of Galaxies.

A possible close encounter with an other galaxy in the distant past could be responsive for M 99’s extended claw shaped spiral arm.

F.O.V.   40 x 40 min of arc.

Telescope.   Orion Optics UK AG12.

Camera.   S Big ST4000 XCM OSC CCD.

Exposure and Date.   13 x 600 sec.   June 2021.

Location.   (Wiruna) Ilford N.S.W.