creat new : ~\SpaceEngine\addons\catalogs\galaxies\Local.sc
creat new : ~\SpaceEngine\addons\catalogs\stars\remove.sc
open "Local.sc" and write down:
Galaxy "Fake Milky Way"
{
????????Type ? ?"E0"
????????RA ? ? ? 12.260678
????????Dec ? ? -69.070640
????????Dist ? ? 379970
????????Radius ? 107402.20
????????AbsMagn -22.89
????????Quat ? ( 0.144395,0.0938726,-0.691467,-0.701578 )
}

Remove "Andromeda/M 31/NGC 224/UGC 454/MCG 7-2-16"
Galaxy "Andromeda/M 31/NGC 224/UGC 454/MCG 7-2-16"
{
????????Type ? ?"Sa"
????????RA ? ? ? 0.7122
????????Dec ? ? ?41.2689
????????Dist ? ? 788876.625
????????Radius ? 67126.379
????????AbsMagn -22.64
????????Quat ? ( 0.5012805 -0.0873325 0.7087535 0.4886301 )
}

Remove "M 110/NGC 205/UGC 426/MCG 7-2-14"
Galaxy "M 110/NGC 205/UGC 426/MCG 7-2-14"
{
????????Type ? ?"Irr"
????????RA ? ? ? 0.6728
????????Dec ? ? ?41.6853
????????Dist ? ? 760669.61
????????Radius ? 2156.91685
????????AbsMagn -15.5
????????Quat ? ( -0.155913348 -0.0320174076 -0.962822877 0.218261357 )
}
open "remove.sc" and write down:
Remove "M 31 Central Black Hole"
Star "M 31 Central Black Hole"
{
????????CenterOf "M 31"
????????Class ? ?"X"
????????RA ? ? ? 0.7122
????????Dec ? ? ?41.2689
????????Dist ? ? 788876.625
????????MassSol ?2.5e8
}