M42 (Great Orion Nebula) - 9 February 2016
A stack of 55 photographs taken through a 150 mm Refractor + focal reducer at F/5.5 with a Nikon D810A DSLR set to ISO 3200.
The exposure times were:
10 x 1 second, 10 x 5 seconds, 10 x 10 seconds,
10 x 20 seconds, 10 x 30 seconds and 5 x 60 seconds.
Click on image to see a larger version (about 4.1 Megabytes).
A stack of 55 photographs taken through a 150 mm Refractor + focal reducer at F/5.5 with a Nikon D810A DSLR set to ISO 3200.
The exposure times were:
10 x 1 second, 10 x 5 seconds, 10 x 10 seconds,
10 x 20 seconds, 10 x 30 seconds and 5 x 60 seconds.
Click on image to see a larger version (about 4.1 Megabytes).
