Hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  The star 21Per
Comet C/2014 Q2 (Lovejoy), 



    
        

            Scott Davis
Comet C/2014 Q2 (Lovejoy)
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Comet C/2014 Q2 (Lovejoy)

Technical card

Imaging telescopes or lenses: Canon EF 200mm f/2.8L II USM

Imaging cameras: Canon EOS Rebel T3i

Mounts: Celestron CGEM Hypertuned

Guiding telescopes or lenses: Orion ShortTube 80

Guiding cameras: Orion StarShoot Autoguider

Software: Sequence Generator Pro  ·  DeepSkyStacker  ·  Photoshop CS6

Filters: One-Shot Color


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


Basic astrometry details

Astrometry.net job: 517619

RA center: 2h 49' 53"

DEC center: +31° 49' 15"

Orientation: 177.515 degrees

Field radius: 3.945 degrees


Resolution: 620x413

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

Description

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.

Comments

Revisions

  • Comet C/2014 Q2 (Lovejoy), 



    
        

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



    
        

            Scott Davis
    B

Sky plot

Sky plot

Histogram

Comet C/2014 Q2 (Lovejoy), 



    
        

            Scott Davis