NGC 5474
Dwarf Galaxy in Ursa Major

RA: 14h 05m Dec: +53 39' Mag: 11.7, Size: 4.5' x 3.4', Distance: 20 mly

Click image for a larger view

   NGC5474 is located in the constellation Ursa Major and is a member of a galaxy group dominated by Messier 101. Being the closest companion galaxy to M101 in this group NGC 5474 displays signs of a distorted spiral pattern due to the close proximity to Messier 101.

Location & Date Backyard, Abbott Observatory - Feb 24, May 4-7, 2010
Temperature - Low 40's F
Telescope Deep Sky Instruments RC10C , F/7.3, Losmandy G11 Gemini, Prime Focus, Image scale 0.82 arcsec/pixel
Camera SBIG ST-2000XM w/CFW8, AO8
Baader LRGB AR Filters
CCD temp -15C
Exposure Times (L) 45x10 (R) 12x10 (G) 12x10 (B) 12x10 Minutes, Bin 1x1
Other Information Image planning - CCD Navigator
Image acquisition/focus/guiding/dither - CCD Autopilot4 w/CCDSoft/TheSky6/PinPoint
Image Processing * Images Plus 3.75- Calibration, Normalize, Grade, Alignment, Sigma Avg. Combine, Deconvolution, Mild DDP
* Adobe CS4 - L+RGB combine, Levels, Curves, Sharpening, Cropping, NR, JPEG conversion

© 2010 Michael A. Siniscalchi