The Seven Sisters, Pleiades, 2019
M45
The magnificent star cluster Pleiades, also known as The Seven Ancient Greek Sisters and Subaru in Japan, is a collection of young and bright stars that currently pass through interstellar cosmic dust. It will take them several tens of thousands of years to move past this dust.
Tech Card
Date / Location
29th November 2019, Oxfordshire, GMT+0, United Kingdom, TEMP: -2C, Bortle Class 4 ~SGM: 21.29 mag./arc sec2
Equipment
Camera: Nikon D810A
Imaging Telescope: Takahashi FSQ-85ED
Correcting Lens: Takahashi Flattener 1.01x (composite focal length at 455mm and focal ratio at f/5.4)
Mount: iOptron CEM25EC
Image Quality
14 bit RAW (NEF)
Exposure time per image / number of composites and sensitivity
ISO 2000, 8 x 240" subs
Total Integration Time
32mins
Calibration Frames
12 Darks, 20 Bias, 20 Flats
Software
PixInsight 1.8 Core
Lightroom
Photoshop
DEEP SKY
STARSCAPE
SOLAR SYSTEM
EVENTS
