M51 Whirlpool galaxy close-up.

Photographer
ObservatorioJuPiTeR
Email
observatoriojupiter@outlook.es
Location of photo
Vall d'Ebo (Alicante, Spain)
Date/Time of photo
20th of June 2015
Equipment
C9.25 and ST-402ME, on unguided CG-5. Celestron 0.63x focal reducer and Bahtinov mask.
Description
Luminance 23x35" @-11ºC, RGB 12x30 @-11ºC. Stacked with DSS and processed with Astronomy Tools and PS.
Website
http://www.astrobin.com/users/ObservatorioJuPiTeR/