| NGC 5236 The Southern Whirlpool Galaxy M83, Constellation: Hydra (The Water Snake), Equatorial 2000: RA: 13h 37m 00s Dec: -29°52'02" Galaxy Type: Barred Spiral, Distance: 15 million light years, Visual Magnitude: 7.5, Size: 12.9 x 11.5 arc mins Transits at the end of twilight at 6:56pm 6 July, Elevation 88 degrees, due North |
 |
| - Imaged on 20090428 - 10" F/4.7 Newtonian Reflector with 0.6 focal reducer - 100 video frames no filter at x128 integration - rough polar alignment, no moon, elevation about 55 degrees - aligned and stacked in Registax 5.0 - processed in Photoshop 7.0 - sharpened using Lucy Richardson deconvolution in Astra Image 3.0 SI (curve width 1.0, 2 iterations) |