M101 NGC 5457 Galaxy

Galaxy M101 NGC 5457
Galaxy M101 (NGC 5457) Pinwheel Galaxy 21 million light years 4 hours 20 min. exposure CCD

M101 Galaxy NGC 5457 Pinwheel Galaxy in Ursa Major

Telescope / Lens TEC 140mm f/7
Mount Type Astro-Physics 1200
Camera ST10XME
 Filters Astro-Don LRGB
 Film  CCD
 Exposure LRGB of 4 hours 20 minutes (L=10x20min.; color 5min. sub-frames) -20° C
 Processing CCDSoft, AIP4Win, CCDStack & Photoshop CS2
 Date 7-25-2009
 Location  Snow Peak, 30 miles SE of Cottage Grove, Oregon
122° 52′ 35″ W 43° 31′ 21″ N
 Conditions 4670′ magnitude 6.0 Skies; Clear & Steady


Galaxy M101 (NGC 5457) is located in the constellation Ursa Major (The Great Bear). This spiral galaxy, also called “The Pinwheel Galaxy”, is magnitude 7.86 and is 28.6′ x 26.5′ in size. This shows up well in medium sized scopes at a dark sky site. Galaxy M101 is 21 million lights years distant & 170,000 light years across with 1 Trillion stars.  Discovered by Charles Messier March 27, 1781.

The longer you image this galaxy, more details continue to surface while arms continue to grow in size.  The hundreds of background galaxies that are visible is astounding.  This is because we are looking out and up from the central region of our own Milky Way Galaxy which obscures our view of space.  I have estimated that some of these background galaxies are 20-50 times more distant.

M 101 is one of the best face-on spirals visible through amateur telescopes.  This galaxy is comparable to the size of our own Milky Way Galaxy.  M101 has 5 prominent companion galaxies: NGC 5204, NGC 5474, NGC 5477, NGC 5585 & Holmberg IV.  The gravitational interaction of these have shaped M101

 

Comet IkeaZang March 2002

Comet IkeaZang March 1, 2002 South of Veneta, Oregon Dark Sky Site
Canon F1, Tokina 300mm F/2.8,  Piggyback, Takahashi FS78 Guide Guide scope
Losmandy G11, E200 pushed 2 -3
Andromeda Galaxy (M31) to the right, just above trees.

 

 

Comet McNaught January 11, 2007

Comet McNaught
Comet McNaught January 11, 2007 (Sunset)
Canon EOS 20D  1/60 sec.  Canon 100mm Macro f/2.8  1600 ISO  Tripod
Snow on the ground +10 degrees Fahrenheit  Hundreds of Canadian Geese in the air
Fern Ridge Reservoir, 7 miles from Eugene, Oregon

 

 

 

Aurora, Leo, Jupiter and Iridium Flare

                                 Aurora, Leo, Jupiter,   Iridium Flare and Meteor ; June19,2004
                                               
Telescope / Lens 35mm  f/2 Canon at f/2.8
Mount Type Piggyback on Losmandy G11
Camera Canon F-1 with Bright Screen & Angle B magnifier
 Filters  UV
 Film  Kodak ED200 (Slide Film) Slide #05
 Exposure 120 seconds; manual guiding FS/78
 Processing Pushed, Scanned – 2400 dpi, Photoshop
 Date June 19, 2004
 Location Eagles Rest, south of Dexter, Oregon
 Conditions 2500′ magnitude 6 Skies; Clear, steady

 

 

 

Orion Rising in the East

 

Wide field image of Venus on left & Orion on right rising over trees.  
Telescope / Lens 50 f/1.4 Canon Lens at f/2.8
Mount Type Piggyback on Losmandy G11
Camera Canon F-1 with Bright Screen & Angle B magnifier
 Filters 52mm UV
 Film  Provia 400F (Slide Film) #10
 Exposure 15 minutes; manual guiding Takahashi FS/78
 Processing  Slide Scanned – 2400 dpi, Photoshop
 Date September 26, 2003
 Location Eagles Rest, south of Dexter, Oregon
 Conditions 2557′ magnitude 6 Skies; Clear, steady