M 63  -  Sunflower Galaxy

80%  resolution (3.3MB)

Object identification (3.3MB)

120%  crop (1.3MB)

Object data of M63

Object type: Galaxy (Sb-c)
Size: 12.6' x 7.2'
Magnitude: 9.3mag
Constellation: CVn
Distance: 29 Mio Ly
Notes: Messier 63 is a bright spiral galaxy in the northern constellation of Canes Venatici.
Many distant galaxy clusters with light travel times of up to 4 billion years can be found in the background of this image as shown in the object identification image:
  • GxCl 1 (z=0.114): NSC J131426+420604
  • GxCl 2 (z=0.171): NSC J131743+415947
  • GxCl 3 (z=0.350): NSCS J131737+414845

Exposure data

Date: 2023-03-17 until  2023-06-25 (10 nights)
Location: Nussbach / Austria (400m)
Telescope: TEC APO 200 FL with TEC flattener-reducer 0.9x (f=1500mm)
Camera: QHY 268M with Baader CMOS filters
Binning: L 1x1 / RGB 1x1
Mount: ASA DDM85
Exposure time: L 62x8min / RGB 21x8min each
Exposure time total: 16h 40min