NGC 4038 / NGC 4039 interacting galaxies 'Antennae' in Corvus
 
(c) Copyright 2003-2012 - All rights reserved
   
Telescope: Officina Stellare RC Pro 12,5" with focal reductor f/6.7, 2134 mm
CCD Camera: SBIG STL-6303
Mount: German equatorial mount Astro-Physics 1200 GTO
Integration: LRB 660:240:240
Date / Location / Sky: April 2012 Cota Observatory - Troina (EN), 550 m. s.l.
FWHM (at 30° on horizon): 3.7" Sky luminosity: 21.4 mag. per squared arcsec (zeniith)
Software: MaxIm-DL, CCDStack, PhotoShop