Comet C/2016 M1 (Panstarrs)

A non-telescopic image, with camera piggy-backed on telescope. At a reported magnitude 9, Comet 2016 M1 – in the Sagittarius region of the Milky Way – was visible in my camera during a field session with Macarthur Astronomical Society.


C/2016 M1 (Panstarrs).
Perihelion: 2.2 AU.
Period: 74,000 years (Wikipedia) 128,514 years (Safari+).
Distance: 1.3 AU or 197.8 million km or 11.0 light minutes.
Magnitude (reported): 8.9 – 9.1
Altitude: 56º.


Exposure: 40×45 sec.
ISO: 2000.
Focal ratio: f/3.2.
Date: 2018-06-14.
Location: The Oaks, NSW.
Sky: semi-dark rural with metropolitan sky-glow.
Cloud: clear.
Processing software: DPP, DSS, Gimp.
Cropping: yes.


Imaging camera: Canon 60D DSLR..
Lens: Tamron 75-200mm @ 135 mm.
Mount: piggy-back on LX-90 telescope.

Observing Notes:

Imaged with my 60D camera mounted piggy-back on my alt-az LX-90 telescope and a total exposure of thirty minutes. I could detect no tails.

Six attempts were made at processing and this was the best image. The first raw images stacked directly in DSS were not so good but I fared better after processing in DPP before stacking in DSS using comet mode.

Image © R.Powell


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