Galaxy NGC 4656/7, also know as the Hockey Stick Galaxy, is located in constellation Canes Ventici and about 40 million lightyears away from Earth.
The picture was taken with Nikon D7500 and TAL200K f/8.5. Setting : ISO3200 and 21x60s exposure time. Raw data converted to DNG files and stacked using DeepSkyStacker; final editing using CS4.
The setup was done as following :
- mount connected with Stellarium
- camera connected with DigiCamControl software making it possible to realize exposures beyond 30s
- sharpness using bahtinov mask