Orion nebula and horsehead mosaic (Hubble palette)

Two frame mosaic of the Orion sword area including the Orion nebula (M42) and the Horse Head nebula (IC434). Image shown at 25 % of the original size
Equipment: Takahashi FSQ106 scope. ASA DDM85 mount. SBIG STL11000 camera. Narrowband filters (SII; H alpha, and OIII)
Location: Pozuelo (Madrid)
Date: January and february 2011
Exposure: 24 hours, 48 unguided subexposures of 30 minutes

Joaquín Ferreirós,
14 feb. 2011 7:32