NGC 5248

About image 

NGC 5248 is a barred spiral galaxy visible in the constellation Bootes, of tenth magnitude and dimensions 6.2'x4.5'.
It is a quite showy galaxy but it seems to be little considered by astrophotographers: even here on Astrobin there are not many images.
NGC 5248 has a bright nucleus crossed by a bar, from which two rather weak main spiral arms depart, plus other secondary arms; its diameter is estimated to be 123,000 light years, so it is a galaxy slightly larger than our Milky Way
[info adapted from Wikipedia]

Technical data
Optic         GSO RC12 Truss - Aperture 304mm, focal lenght 2432mm, f/8
Mount       10Micron GM2000 HPSII
Camera        ZWO ASI 2600 MM Pro with filter wheel 7 positions
Filters        Astrodon Gen2 E-Serie Tru-Balance 50mm unmounted LRGB  
Guiding system   ZWO OAG-L with guide camera ASI 174MM
Exposure details  L 30x300" bin3 -20C

             R 14x300" bin3 -20C
             G 14x300" bin3 -20C
          B 14x300" bin3 -20C
Total integration  6h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5, StarXTerminator, NoiseXTerminator, BlurXTerminator
SQM-L       21.37   
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date           5/26 April 2022


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