no filter. Much less detail visible as compared to O-III. No longer round, just features in north and west still visible. Central star is much more prominent.
sketches : Nebulae : NGC 246 planetary nebula 11-22-2003 |
Back |
NGC 40 planetary nebula 11-22-2003 |
NGC 246 planetary nebula 11-22-2003 |
NGC 40 planetary nebula 11-22-2003 |
NGC 246 planetary nebula 11-22-2003 |
Copyright © 2003-2007 Michael Portuesi. See the front page for licensing information.