Archivo: Messier-101-cutout

Descripción: Cutout of a photo of the spiral galaxy Messier 101 (also named Pinwheel Galaxy or after the NGC catalog: NGC 5457) taken in Sommerholz, Austria using the following equipement: telescope: 250/1200mm Newton camera: Canon EOS 300D camera exposure: 1 x 300 sec ISO1600, 1 x 300 sec ISO 800
Título: Messier-101-cutout
Créditos: Homepage of Rochus Hess http://members.aon.at/astrofotografie/galerie/deepsky/he_m101.htm
Autor(a): Rochus Hess
Permiso: Quotation of the permission Rochus Hess gave me at forum.astronomie.de after my call for a GFDL-free release of astro photos: de (original): Auch meine Bildergalerie steht zur Verfügung wenn mein Name und der Link zur Homepage http://members.aon.at/astrofotografie erwähnt wird. en (translated): Also my image gallery is at your disposal if my name and link to the homepage http://members.aon.at/astrofotografie gets mentioned.
Licencia: Attribution