Hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Solar system body or event
Getting plate-solving status, please wait...
Last comet Garradd after dusk, 



    
        

            José J. Chambó
Last comet Garradd after dusk
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Getting plate-solving status, please wait...
Last comet Garradd after dusk, 



    
        

            José J. Chambó
Last comet Garradd after dusk
Powered byPixInsight

Technical card

Imaging telescopes or lenses: GSO Newton 8" f/4

Imaging cameras: Canon EOS 350D / Digital Rebel XT

Mounts: LXD75

Guiding telescopes or lenses: Bresser Skylux 70/700

Guiding cameras: Meade DSI

Software: PHD guiding  ·  DeepSkyStacker  ·  PixInsight LE  ·  APT - Astro Photography Tool

Accessory: Teleskop-Service Coma Corrector


Dates:Nov. 25, 2011

Frames: 10x75" (12' 30") ISO1600

Integration: 12' 30"

Darks: 15

Bias: 100

Avg. Moon age: 0.27 days

Avg. Moon phase: 0.08%

Bortle Dark-Sky Scale: 3.00

Mean SQM: 20.70

Mean FWHM: 5.25

Temperature: 7.00


Basic astrometry details

Astrometry.net job: 3583143

RA center: 17h31m05s

DEC center: +20°0516

Pixel scale: 1.807 arcsec/pixel

Orientation: 358.071 degrees

Field radius: 0.835 degrees


Resolution: 2600x2080

Locations: Hoya Redonda - Valencia (Spain), Enguera, Valencia, Spain

Description

The comet C/2009 P1 Garradd on November 25, continues showing a wide and short tail of dust toward left, the narrow and more longer tail of gas toward upper left, although this last appears very faint in the image.

More info into the Blog  C O M E T O G R A F I A(in Spanish)

Comments

Sky plot

Sky plot

Histogram

Last comet Garradd after dusk, 



    
        

            José J. Chambó