Super widefield of M52, Bubble Nebula and Nova Cas 2021
Cassiopeia
A super widefield image I took back in 2021 on a summer night where the supernova Nova Cas 2021 (V1405 Cas) can be seen. This is 1 hour and 12 mins of guided data. I used a FSQ85-ED with its dedicated 1.01x flattener and a D180A.
Tech Card
Date / Location
16th July 2021, Warwickshire, GMT+0, United Kingdom, TEMP: 20C, Bortle Class 4 ~SGM: 21.20 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 1250, 4 x 180" subs
Total Integration Time
12mins
Calibration Frames
16 Darks, 16 Bias, 24 Flats
Software
PixInsight 1.8.8-8
Lightroom
Photoshop
DEEP SKY
STARSCAPE
SOLAR SYSTEM
EVENTS
