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Image of the day 10/15/2013

Getting plate-solving status, please wait...
    NGC7217, 





    
        

            Tom Harrison

    Technical card

    Imaging telescope or lens:RCOS 12.5" Truss

    Imaging camera:SBIG STL6303e

    Guiding telescope or lens:RCOS 12.5" Truss

    Guiding camera:SBIG ST-RGH

    Software:CCDStackMaxim DLPhotshop Photoshop CS3

    Accessories:PIROff-Axis Guider Homeyer

    Resolution: 2448x1785

    Dates:Oct. 10, 2013

    Frames: 137x600"

    Integration: 22.8 hours

    Avg. Moon age: 5.81 days

    Avg. Moon phase: 33.62%

    Astrometry.net job: 106834

    Locations: Tom Harrison, Fort Davis, Texas, United States

    Description

    NGC7217 is an unbarred spiral galaxy, characterized as a flocculent spiral structure, seen in the direction of the Constellation Pegasus at an approximate distance of 50 Million Light-Years. The intense star-forming concentric circles, prominent features of the galaxy, and a very active galactic nucleus with a supermassive black hole classifies it as an active galaxy. Older star formations are concentrated in the redish area between the blue star-forming rings. It has been postulated that NGC7217 owes its dynamic morphology to a prior collision with another galaxy, although no nearby neighbor is apparent. A ring of dust surrounds the nucleus, future fuel for the supermassive black hole. NGC7217 is also described as a gas poor, and is similar in its structure to NGC488. Object: NGC7217 Magnitude: 11 Date: October 2013 Place: Fort Davis, TX Exposure Details: LRGB:710:180:210:270 unbinned Processing: MaxIm DL, CCDStack, Photoshop CS3 Optics: 12.5" RCOS Truss Focal Length: 2808mm @ f9 Mount: Paramount ME GEM Robotic Camera: SBIG STL6303E Focuser: RCOS Guiding: Off-Axis with the SBIG RGH Filters: Tru-Balance LRGB 2" GEN II

    Comments

    Author

    tharrison
    Tom Harrison
    License: Attribution Creative Commons
    112016
    Like

    Histogram

    NGC7217, 





    
        

            Tom Harrison