Coalsack Nebula

This is an object I imaged twice over the years, both times during a stay in Namibia.

The Coalsack Nebula is a dark nebula located in the constellation Crux.

The last time I imaged this dark nebula in 2006 at the Tivoli astrofarm. Data calibration and registration was done with DeepSkystacker, the final processing was done with PixInsight. The result was as follows:

The images were taken with the following equipment:

• Date 2006
• Location: Tivoli, Namibia
• Telescope: Tamron 28-300mm lens
• Focal length [mm]: 70
• Focal ratio: 4.5
• Mount: Vixen Atlux
• Camera: Canon 300 Da
• Filter: OSC
• Exposure time [min]: 36
• Resolution: 21.8″/px

The first time I imaged this dark nebula in 2005 at the astrofarm Hakos. Data calibration and registration was done with DeepSkystacker, the final processing was done with PixInsight. The result was as follows:

The images were taken with the following equipment:

• Date 2005
• Location: Hakos, Namibia
• Telescope: Tamron 28-300 mm
• Focal length [mm]: 300
• Focal ratio: 4.5
• Mount: Liebscher
• Camera: Canon 300 Da
• Filter: OSC
• Exposure time [min]: 10
• Resolution: 54.7″/px