Astrophotography

Dide van den Heuvel

M101 - Pinwheel Galaxy


Name:
Pinwheel Galaxy, Messier 101, M101 or NGC 5457
Date:
6, 8 & 9 March 2014
Exposure
: 12,5 Hour total, 51x 10min luminance, 8x 10min RGB, 12x 15min Ha 7nm
Telescope:
8" Newton f/3.8 800mm with GPU f/4 coma corrector
Mount:
NEQ6-pro, controled by EQmod/CdC, guided by QHY5/OAG
Camera:
SBIG CCD ST8300M
Location:
Prinsenbeek, The Netherlands

Object Wikipedia information

The picture was taken under poor conditions with half moon and haze in the atmosphere. The Pinwheel Galaxy is a face-on spiral galaxy distanced 21 million light-years away in the constellation Ursa Major, first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries

Messier 101 Galaxy

Large format