Triangulum Galaxy, Exmoor, 2020

M33

Our local group of galaxies is beautiful. I photographed this cosmic island under the truly dark skies of Exmoor (visible with the naked eye!) using my fastest astrograph, FSQ-85ED. The Triangulum galaxy, 3 million light years from us, full of stars and planets.

Tech Card

Date / Location

14th September 2020, Brayford, North Devon near Exmoor, GMT+0, United Kingdom, TEMP: 16C, Bortle Class 3 ~SGM: 21.73 mag./arc sec2

Equipment

Camera: Nikon D810A

Imaging Telescope: Takahashi FSQ-85ED

Correcting Lens: Takahashi Reducer-QE 0.73x (composite focal length at 328mm and focal ratio at f/3.8)

Mount: iOptron CEM25EC

Image Quality

14 bit RAW (NEF)

Exposure time per image / number of composites and sensitivity

ISO 3200, 13 x 180" subs

Total Integration Time

39mins

Calibration Frames

25 Darks, 50 Bias, 25 Flats

Software

PixInsight 1.8.5 Core

Lightroom

Photoshop

DEEP SKY

Deep Sky photographs

STARSCAPE

Starscape photographs

SOLAR SYSTEM

Solar system photographs

EVENTS

Various astronomical events photographs