M51

M51 (the Whirlpool Galaxy). I spent a good portion of the night on this one.

Hardware details:

Camera: Nikon D200

Telescope: SW Evostar 120 with Baader contrast booster.

Mount: AZ-EQ6 guided using a ST80 synguider.

Image details:

Lights: 35 x 3min at ISO 800 Lights (and darks) were taken with 1 minute intervals (to let the camera cool down)

Darks: 30 x 3min at ISO 800

Flats: 30 x 1/40s at ISO 800

Bias: 30 x 1/8000 at ISO 100

Date of capture 14/01/2016

Conditions:

Very clear sky with no cloud. Seeing was good, the guiding was not as stable, the wind was picking up and causing slight movement. Cold and dry.