Comet C/2001 Q4 Neat May 24,2004

 

Comet C/2001 Q4 Neat May 24,2004
Comet C/2001 Q4 Neat May 24,2004
Canon Ftb  Canon 100mm @ f/2.8  Elite-Chrome E200 Push 1 (Photo Oregon) 6 min exposure
Pggyback on Losmandy G11 Mount  Guiding through Takahashi FS78
Taken from Dark Skies at Panther Creek, SW of Veneta, Oregon
5.8-6.0 Magnitude skies 2557′ elevation

Comet C/2001 Q4 Neat was discovered on August 4, 2001 by the Near Earth Asteroid Tracking Team (NEAT). This comet spent most of its time in the southern hemisphere until May 2004 when it went North and brightened.

Comet C/2001 Q4 NEAT, came within 0.34 astronomical units (au) of earth.  It reached  perihelion (closest approach in it’s orbit) on May 15, 2004 .  This hyperbolic comet will be flung out of our solar system, never to be seen again.

AU or Astronomical Unit (roughly earth’s distance from the sun)  93,000,000 miles.

I was lucky to have a clear May night in Oregon to image  Comet C/2001 Q4 Neat May 24, 2004.

 

NGC 891 Edge on Spiral (HV19) Caldwell 23

 

NGC 891 Edge on SpiralGalaxy (HV19) Caldwell 23
NGC 891 Edge on Spiral Galaxy (HV19) Caldwell 23
NGC 891 Edge on Spiral Galaxy Crop
NGC 891 Edge on Spiral Galaxy Crop
Telescope / Lens TEC 140mm f/7 Refractor
Mount Type Astro-Physics 1200
Camera ST8XME
 Filters Astro-Don  LRGB
 Film  CCD
 Exposure 4 hours 5 minutes 245  RGB=45 min. @ -25° C
 Processing CCDSoft, AIP4Win, CCDStack & Photoshop CS2
 Date 9-8-2007
 Location  June Mountain, near Dexter, Oregon
 Conditions 3252′ magnitude 6.2 Skies; Clear & Steady

 

NGC 891 Edge on Spiral (HV19) Caldwell 23

NGC 891 is a great Edge on Galaxy in the constellation of Andromeda. NGC 891 is 30 million light years from earth at apparent magnitude 10.8 and 120 thousand light years across.  At 13.5′ x 2.5 arcminutes, it shows up nicely in medium to large amateur telescopes.

This Edge on Spiral galaxy’s dust lanes are prominent and show nice detail in long exposures. The dust lanes are similar to out own Milky Way if observed from the same distance edge on.  On a clear summer night, the dark rift from Cygnus down to Sagittarius is now given a different perspective.                                                                                                                                                                                        William Herschel  discovered NGC 891  on October 6, 1784, this galaxy is a member of the NGC 1023 group of galaxies


 

NGC 7331 Deer Lick Group of Galaxies and Stephan’s Quintet

NGC 7331 Deer Lick Group of Galaxies and Stephan’s Quintet

NGC 7331 Deer Lick Group of Galaxies and Stephan's Quintet
NGC 7331 Deer Lick Group of Galaxies and Stephan’s Quintet
140mm f/7 Refractor, SBIG ST10XME LRGB filters Total exposure 4.5 Hours
Telescope / Lens TEC 140mm f/7 Refractor
Mount Type Astrophysics 1200
Camera SBIG ST10XME
 Filters Astrodon LRGB
 Film  CCD
 Exposure 270 minutes (4 hours 30 min); LRGB (L=210,RGB=60@)
 Processing CCDSoft, CCDStack, AIP, Photoshop CS2-CS6
 Date  10/25/2008
 Location 25 miles SE of Cottage Grove, Oregon; 122° 52.595′ W 43° 31′ N
 Conditions 4568′ magnitude 6 Skies; Clear & 5-7 m.p.h. wind

NGC 7331 (Deer Lick Group of Galaxies ) & NGC 7320 Stephens Quintet

The upper left is Stephens Quintet and the lower right is the Deer Lick group in the constellation of Pegasus. NGC 7331 the largest Galaxy in the Deer Lock group is 9° Northwest of ß Pegasi. The lower right edge of NGC7331 is pointed North and the companion galaxies are to the East. Galaxy NGC 7331 resembles what our own Milky Way galaxy would look like some 50 million light years away. This galaxy has an overall brightness of magnitude 10.3 . This group is a nice visual treat in medium to large amateur scope (10″ and up) NGC 7331 is 10.6′ x 3.8′ (the moon is 28′)

Stephens Quintet (upper left) is a small group of interacting galaxies 300 million light years away. You can see the lower two galaxies are interacting and a long arm extents from the one to the right. This detail is readily evident in the full resolution image. NGC7318A & NGC 7318B (magnitude 14) are colliding and nearby NGC 7319 (magnitude 14.4) may also be involved since it has an arm that stretches out. NGC 7320 (Mag. 13.3) is the top oblong one and NGC 7317 (14.8) is out to the left. Out further to the upper right of the main group is NGC 7320C at magnitude 16.6.

NGC 7331 Deer Lick Group of Galaxies
NGC 7331 Deer Lick Group of Galaxies cropped View

Galaxy NGC 7331 “Caldwell 30” 40 million light years. 12.1′ x 1.0′ magnitude 10.4.  The other lenticular unbarred spirals NGC 7335, 7336 & barred spiral galaxy NGC 7340, elliptical galaxy NGC 7340.  They are 332, 365, 348 and 294 million light years distant, respectively.

Discovered by William Hershel in 1784,

 

Stephan's Quintet NGC 731
Stephan’s Quintet NGC 7318B Cropped View

Stephan’s Quintet is a grouping of 5 galaxies, forming a compact group of galaxies. In the constellation of Pegasus, discovered in 1877 by Edouard Stephan,  also known as Hickson Compact Group 92. NGC 7318B collides with the group and a shock wave larger than our own Milky Way galaxy spread between the galaxies.  NGC 7320 is only a foreground galaxy at 39 million light years.  The other five form a group 220-330 million light years away.