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Photographer:

Rod Pommier

Email:

pommierr@ohsu.edu

Location of Photo:

Pommier Observatory, Portland, OR, USA

Date/Time of photo:

2011-05-09, 03:16UT

Equipment:

Celestron Compustar C14 telescope with 0.75x focal reducer (f/8). SBIG STL 11000M CCD at -25C,self-guided. Baader Planetarium LRGB filters. LRGB exposures=184:70:70:70 minutes=7hours:O4minutes total exposure.Calibrated with bias, dark, and flat field frames

Description:

This is a close up view of M51, the Whirlpool galaxy, and NGC 5195 cropped from my earlier full frame submission. It shows dust lane detail down to the region of the stellar nucleus. Numerous faint background galaxies are also visible, although not as many as in the full field frame. These include the small blue face-on barred spiral galaxy IC 4278 above the bridge and the yellow edge-on spiral galaxy IC 4277 above the large diffuse "E" formed by the tidal spray of stars from NGC 5195.

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