NGC 4645

• Original image: sum of 3 shifted frames (53 kB)
• Original image, zoomed center (16 kB)
• Isophotes in I (8 kB)
• Laplace filtered image (141 kB)
• Laplace filtered image, zoomed center (115 kB)
• Gradient filtered image (128 kB)
• Gradient filtered image, zoomed center (33 kB)
• Laplace filtered image in V: sum of 4 shifted frames (112 kB)

NGC 4645    

RA (2000) = 12h 44m 10s     Dec (2000) = -41d 45' 01"
Morphology = E+
B_T = 12.88            
D(25) = 134.3 arcsec       
b/a(25) = 1.62
cz = 2862 km/s

• I-band, exposure times: 3 x 200s
• V-band, exposure times: 4 x 300s