Celestial hemisphere:  Southern  ·  Constellation: Cetus (Cet)  ·  Contains:  Solar system body or event
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Comet C/2020 F8 SWAN in the dawn light, 


            Niall MacNeill
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Comet C/2020 F8 SWAN in the dawn light

Acquisition details

Date: May 4, 2020

Time: 18:25

Frames: 10

FPS: 0.022

Focal length: 105

Seeing: 3

Transparency: 6

RA center: 00h04m05s.1

DEC center: -11°3615

Pixel scale: 54.695 arcsec/pixel

Orientation: -83.242 degrees

Field radius: 10.849 degrees

More info:Open 

Resolution: 800x1187

File size: 1.2 MB

Locations: Home property, Wattle Flat, NSW, Australia

Data source: Backyard


Comet C/2020 F8 SWAN has a 10 degree tail and was captured in the predawn light from Wattle Flat. I was having a battle between enough altitude, as the tree top attests and beating the morning light. In the end I think I got it about right, with the dawn colours adding to the scene I think.

This is an integration of 10 images of 45 secs duration, ISO 6400, f/7, focal length 105mm with my Canon EOS 5D mkII on a bracket atop my telescope. It was calibrated with 20 darks & 20 bias images.

The star alongside is Deneb Kaitos Shemali or Iota Ceti. The name is from the Arabic word ذنب قيطس الشمالي - dhanab qayṭas al-shamālī, meaning the northern tail of the sea monster. Is that not a beautiful name?


Sky plot

Sky plot


Comet C/2020 F8 SWAN in the dawn light, 


            Niall MacNeill