The following online resources are useful for planning observing runs, researching a particular topic, or accessing online data:

Small Bodies Data Ferret: http://sbn.psi.edu/ferret/ .

Software Bisque: http://www.bisque.com .

ACP Observatory Control Software http://www.dc3.com .

Diffraction Limited http://www.cyanogen.com .

Interactive Data Language (IDL) software http://www.ittvis.com .

Simbad Astronomical Database: http://simbad.u-strasbg.fr/Simbad .

NASA JPL Horizons ephemeris generator: http://ssd.jpl.nasa.gov/?horizons .

Imagiware Hourly Airmass Calculator: http://imagiware.com/astro/airmass.cgi .

The NASA Astrophysics Data System (ADS) abstract service: http://adswww.harvard.edu .

IAU Minor Planet Center: http://cfa-www.harvard.edu/iau/mpc.html .

IRAF (professional astronomy software) homepage: http://iraf.noao.edu/ .

Astronomical catalogs: http://www-int.stsci.edu/instruments/observatory/cdbs/astronomical_catalogs_alt.html .

Virtual Solar Observatory: http://sdac.virtualsolar.org/cgi-bin/search .

National Solar Observatory: http://www.nso.edu .

Solar and Heliospheric Observatory: http://soho.nascom.nasa.gov/ .

NASA PDS Small Bodies Node: http://pdssbn.astro.umd.edu/ .