Focal Pointe Observatory
Astrophotography by Bob Franke

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NGC 5371


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Instrument

12.5" RCOS @  ~f/9 (2880 mm fl) 0.64 arcsec / pixel.  The Zoomify image scale is 0.64 to 3.40 arcsec / pixel.

Mount

Paramount ME

Camera

SBIG STL-11000 w/ internal filter wheel, AstroDon Gen II Filters

Acquisition Data

5/20/2012 to 6/11/2012 Chino Valley, AZ... with CCDAutoPilot3 & CCDSoft.  AOL guided

Exposure

Lum

390 min. (13 x 30 min. bin 1x1 )

RGB

540 min. (12 x 15 min. each, bin 2x2)

Software

  • CCDSoft, CCDStack, Photoshop CS3 w/ the Fits Liberator plugin.

  • eXcalibrator v3.1 (g-r) color balancing, using 37 stars from the SDSS-DR8 database.

  • PixFix32 (pre-beta) to repair column defects.

  • CCDBand-Aid (pre-beta) to repair the STL-11000M vertical bars.

  • CCDStack to calibrate, register, normalize, data reject, combine the sub exposures, and the RGB color image.

  • PhotoShop  none-linear stretching and the LRGB combine.

  • Noiseware Pro, a PhotoShop plug-in.

Comment

North is to the left.
At a distance of 122 million light-years, NGC 5371 is a face-on Sbc barred spiral galaxy in the constellation Canes Venatici. As an SBc galaxy, NGC 5371 looks similar to our galaxy, The Milky Way. NGC 5371 is also cataloged as NGC 5390.

Just outside NGC 5371, at about 4 o'clock, is a bright blue quasar at magnitude 18.3. With a redshift of z = 1.595, its light travel-time is about 9.3 billion years.

To the far right-center is the galaxy UGC 8841, at a distance of 116 million light-years.