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M33

 


M33: Pinwheel Galaxy in Triangulum

Imaged on 10/17/09
Scope: Takahashi FSQ 106N
Mount: Losmandy G-11
Camera/Autoguider: SBIG ST10-XME
Exposures: 3 hrs Lum; 1 hr Ha, 30 min each RGB for a total of 5.5 hrs
Site: Palomar Mountain
Temp: 60 deg, mild wind, excellent seeing

M33 is 3 million ly away with a mass of 10-40
billion solar masses. Spectral analyses show that M33 is approaching us at 24 km/second.