HORSEHEAD NEBULA

SUBJECT: HORSEHEAD NEBULA
LOCATION: ACORN HOLLOW  OBSERVATORY   SUTTON  MA.
TELESCOPE or CAMERA: 8" F/4  NEWTONIAN REFLECTOR
GUIDING: ST-4
FILM: E-200 Pushed 1 stop
EXPOSURE: 2-60 min added
POST PROCESSING: PHOTO SHOP  Ver 5  and  PICTURE WINDOWS  Ver 2.5