http://astrosurf.com/jordigallego/album/Files_dark_sky_SBIG/M81_M82_with_Integrated_Flux_Nebulae.jpg `1.4Mb
Object: M81, M82 & IFN
Date: 11-01, 12-01, 02-02, 08-02, 09-02-2008
Observing site: Observatory 16b, Àger
Telescope: Takahashi FSQ-106N @ f/5 on EM-400 mount
Camera: SBIG STL-11000M @ -20C
Filters: Optec LRGB
Exposure: 24 x 7 min L; 11 x 15 min R and G; 11 x 20 min B (all unbinned). Total exposure: 12 h
Guiding: Camera guide chip
Software: Guide & camera control: CCDSoft. Processing: PixInsight 1.0
荣登: NASA APOD on May 12, 2008 |