Aurora in pembine wisconsin 4/2/11
This picture made it into National Geographic
Orion SkyView Pro 8" Equatorial Reflector Telescope
With Celestron 80mm Short Tube as Guidescope.

Optical Diameter =203mm
Focal Length= 1000 mm
Focal Ratio= f 4.9
Highest useful maginification=300x
Horsehead Nebula
M31 Andromeda Galaxy
Galaxy M51 "The Whirlpool Galaxy" in Ursa Major, (Big Dipper).

Photo Info:

Camera: Canon 40D Modified
Telescope: Stellarvue 90TBV
ISO: 1600
Exposure: 5 mins x 25
Dark Frames: 10
Location: Pembine Wi
M42 Orion Nebula, 5 January 2008  
Unguided, Prime focus Vixen R200 Reflector, Nikon D300
ISO 200, 60 x 180 sec exposures, 10 x 30 sec exposures, 3 dark frames
The main instrument in this setup is a 155mm Astro Physics with 1100mm focal length increased to 2200mm with a 2X tele-extender.  A crude drive mechanism was used to generally follow the motion of the sun as it was setting.
M42 - Orion Nebula, 11 January 2007. 
Unguided, Prime focus ED80 Refractor, Nikon D200. 
ISO 800, 30 x 30 sec exposures, 15 x 10 sec exposures, 2 dark frames.
Cassiopeias jewels
Aurora in pembine wisconsin 4/2/11
This picture made it into National Geographic
Aurora in pembine wisconsin 4/2/11
This picture made it into National Geographic
Aurora in pembine wisconsin 4/2/11
This picture made it into National Geographic
See photo in original gallery.

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