M101, NGC 5457. Face on spiral galaxy in Ursa Major

Orientation:
Image Scale: 1.48 arc sec/pixel
Exposure: Lum 15 x 600" Bin 2x2
Telescope: Meade 1o" LX-200 SCT @ f/10 (fl=2540mm)
Camera: SBIG ST-8 CCD self-guided with AO7 guiding @ 1.8 Hz
Mount: LX-200 on field tripod with Milburn Wedge
Location: Mae Pa Skies Observatory, Mae Sot, Tak, Thailand on 19 Jan 2002
Notes: The largest and brightest member of a small galaxy cluster located about 25 million l.y.'s away. A mottled halo containing a fine spiral arm structure and several H-II regions can be seen.