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Contains:  The star 21Per
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Comet C/2014 Q2 (Lovejoy), 


            Scott Davis
Comet C/2014 Q2 (Lovejoy)

Comet C/2014 Q2 (Lovejoy)

Technical card

Resolution: 3000x1997

Dates:Jan. 24, 2015

Frames:One-Shot Color: 60x120" ISO800

Integration: 2.0 hours

Darks: ~9

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 4.49 days

Avg. Moon phase: 21.13%

Bortle Dark-Sky Scale: 2.00 job: 517619

RA center: 42.471 degrees

DEC center: 31.821 degrees

Orientation: 177.515 degrees

Field radius: 3.945 degrees

Locations: Big Stump, Kings Canyon National Park, CA, United States


Comet C/2014 Q2 (Lovejoy) was a great observing and photographic target for Northern Hemisphere observers during January 2015. At the time this image was taken, the comet was magnitude +4.5 and only 0.6 AU (55 million miles) from Earth.

This image was stacked in two parts - one for the comet by itself, and the other for the star field. The two parts were individually processed and then combined in Photoshop to create this final image.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons


  • Comet C/2014 Q2 (Lovejoy), 


            Scott Davis
  • Final
    Comet C/2014 Q2 (Lovejoy), 


            Scott Davis

Sky plot

Sky plot


Comet C/2014 Q2 (Lovejoy), 


            Scott Davis