M 5


Full resolution (1600x1200 px  460kB)

150% resolution (900kB)

Comparison of different colour calibration methods

Animation of variable stars


Object data of M5

Object type: globular cluster (V)
Size: 19.9'
Magnitude: 5.7 mag
Constellation: Ser
Distance: 25,000 Ly
   
Notes:

 


Exposure data

Date: 2009-05-23 + 25
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: ST2000XM with CFW8 and Baader Filters
Binning: L 1x1 / RGB 1x1
Exposure time: L 38x2m / R 9x5m / G 9x5m / B 9x5m
Exposure time total: 3h 31m
Notes: Drizzle for 200% size

 

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