Neptune Medium:Fine Art The initial idea was to

The initial idea was to capture this field of view of about 120° with a 135mm camera lens to get a lot more details

the use of an equatorial mount and a camera with increased light transmission in the H-alpha emission line

As I have done many 50mm panorama in the past

the temperature of the equatorial region

after which he stacked the images (a process of averaging multiple exposures to reduce the noise)

Neptune Medium:Fine Art The initial idea was toThis picture of Neptune was produced from the last whole planet images taken through the green and orange filters on the Voyager 2 narrow angle camera. The images were taken at a range of 4. 4 million miles from the planet, 4 days and 20 hours before closest approach. The picture shows the Great Dark Spot and its companion bright smudge; on the west limb the fast moving bright feature called Scooter and the little dark spot are visible. These clouds