M101 (NGC 5457, Pinwheel Galaxy, Arp 26 )

Telescope: 2.5-meter Ritchey-Chr├ętien Reflector, 12.5m FL
Camera: Custom CCD Imager, 2048 x 1489 pixels
Exposure: 53.9 seconds, each filter.
Location: Apache Point Observatory, New Mexico (Elevation 9140')
Image Center (J2000): RA 14h 03m, DEC +54° 20'

Face-on asymmetrical grand design spiral galaxy, mag 7.8, high population of H II regions


Sloan DSS Archive files:

Red: frame-i-003712-3-0187.fits
Green: frame-r-003712-3-0187.fits
Blue: frame-g-003712-3-0187.fits
M101 (NGC 5457, Pinwheel Galaxy, Arp 26 ), Face-on asymmetrical grand design spiral galaxy, mag 7.8, high population of H II regions