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Hemisphere:  Northern  ·  Contains:  Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
Crescent nebula Hoo 32hours exposure , 


            Maxime Tessier
Crescent nebula Hoo 32hours exposure
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Crescent nebula Hoo 32hours exposure

Technical card

Imaging telescopes or lenses: C8 EdgeHD

Imaging cameras: Atik 383L+

Mounts: SkyWatcher AZ EQ6 GT

Guiding telescopes or lenses: Starlight Xpress OAG

Guiding cameras: iNova Pla-M

Focal reducers: Celestron Edge f7 Focal Reducer

Software: Software Bisque The Sky X Pro  ·  PHD guiding phd-guiding  ·  Pixinsight 1.8

Filters: Astronomik Ha 12nm 2"  ·  Astronomik O3 12nm 2"

Accessory: Starlight Xpress SX USB Filter Wheel 5 x 2"

Dates:April 16, 2017April 22, 2017

Astronomik Ha 12nm 2": 131x600" -20C bin 2x2
Astronomik O3 12nm 2": 30x1200" -20C bin 2x2

Integration: 31.8 hours

Darks: ~20

Bias: ~1136

Avg. Moon age: 22.32 days

Avg. Moon phase: 48.46%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 3.00

Temperature: 12.00

Basic astrometry details job: 1681811

RA center: 20h 12' 5"

DEC center: +38° 18' 14"

Pixel scale: 0.978 arcsec/pixel

Orientation: 98.969 degrees

Field radius: 0.427 degrees

Resolution: 2500x1908


Crescent Nebula 31h50 exposure in Hoo with full moon in april.
The object was low in this season, That is why the resolution could have been better.



Maxime Tessier
License: None (All rights reserved)

Sky plot

Sky plot


Crescent nebula Hoo 32hours exposure , 


            Maxime Tessier