NGC 4236 - Barred spiral galaxy in Draco

  Size: 2000 px      
© Velimir Popov & Emil Ivanov 2018

NGC 4236 (also catalogued as Caldwell 3) is a barred spiral galaxy in the constellation Draco. It is member of the M81 Group, a group of galaxies located at a distance of approximately 11.7 Mly (3.6 Mpc) from Earth, which also contains the spiral galaxy Messier 81 and the starburst galaxy Messier 82.


Image details:


Center of field RA 12:16:49 (h:m:s)
Center of field DE +69:27:58 (deg:m:s)
Size 1.62 x 1.06 (deg)
Pixel scale: 1.77 (arcsec/pixel)
Orientation: Up is 86.2 degrees E of N
Charts and image details obtained from
Optic(s): ASA 12" Astrograph @ f/3.6 (Newton)
Mount: ASA DDM85 Standard
Camera: SBIG STL 11000 M
Filters: Luminance, Red, Green, Blue, Astronomik filters
Dates/Times: 23-24 Jun. 2014
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:6x10 min., R:6x10 min, G:6x10 min., B:6x10 min., Bin 1, Total Exposure Time - 240 min. (4:00hrs)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013 - 2018. All Rights Reserved
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