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Comet Tuttle-Giacobini-Kresak, 


            Tony Cook
Comet Tuttle-Giacobini-Kresak

Comet Tuttle-Giacobini-Kresak

Technical card

Resolution: 4210x2804

Dates:March 16, 2017

Frames: 31x300" ISO800

Integration: 2.6 hours

Darks: ~36

Flats: ~25

Flat darks: ~25

Avg. Moon age: 18.42 days

Avg. Moon phase: 85.60%

Mean SQM: 20.68 job: 1494647

RA center: 157.464 degrees

DEC center: 47.925 degrees

Pixel scale: 2.249 arcsec/pixel

Orientation: 89.841 degrees

Field radius: 1.580 degrees

Locations: Dark Sky Site, Kirby Malzeard, North Yorkshire, United Kingdom


The comet is now brightening fast as it closes on Earth. Its inclined orbit means its passing high above Earth so its climbing northwards through Ursa Major and then onwards through Draco and over Bootes in the next month .

The next image in the fly-by sequence is here.

How this image was processed is described here.



Tony Cook
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Comet Tuttle-Giacobini-Kresak, 


            Tony Cook

In these public groups

Comets Imaging
Cloudy Nights