Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7822  ·  NGC7822  ·  Sh2-171
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ngc 7822 in Cepheus, 



    
        

            John Mart
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Imaging telescopes or lenses: Explorer Scientific ED102

Imaging cameras: ZWO ASI 1600MM-PRO

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: ZWO 60/280 Guiderscope

Guiding cameras: ZWO 290MM mini

Focal reducers: Stellarvue SFFR102-2 field flattener and 0.8x reducer

Software: PinInsight 1.8  ·  SGP  ·  PHD 2

Filters: Optolong L-Pro 1.25"  ·  Optolong Ha 1.25" 7nm  ·  Optolong SII 1.25" 6.5nm  ·  Optolong OIII 1.25" 6.5nm

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO EFW 1.25 8 Position  ·  Pegasus Astro Pocket Power Box  ·  Startech Industrial USB3 Hub  ·  QHY PoleMaster PoleMaster


Dates:Aug. 16, 2020

Frames:
Optolong Ha 1.25" 7nm: 40x180" (gain: 139.00) -15C bin 1x1
Optolong OIII 1.25" 6.5nm: 45x180" (gain: 139.00) -15C bin 1x1
Optolong SII 1.25" 6.5nm: 45x180" (gain: 139.00) -15C bin 1x1

Integration: 6.5 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 26.73 days

Avg. Moon phase: 8.59%

Bortle Dark-Sky Scale: 5.00

Temperature: 27.00


Astrometry.net job: 4142842

RA center: 0h 3' 45"

DEC center: +67° 18' 35"

Pixel scale: 1.371 arcsec/pixel

Orientation: 85.699 degrees

Field radius: 0.861 degrees


Resolution: 3693x2612

Locations: Home observatory, Atlanta, Georgia, United States

Data source: Backyard

Description

NGC 7822 narrowband in SHO

Comments

Revisions

  • ngc 7822 in Cepheus, 



    
        

            John Mart
    Original
  • ngc 7822 in Cepheus, 



    
        

            John Mart
    B
  • Final
    ngc 7822 in Cepheus, 



    
        

            John Mart
    C

B

Description: adjusted the Oiii data and reworked the curves to shift the green look to blue...

Uploaded: ...

C

Description: Reprocessed the same data trying out some new techniques in pixinsight.

Uploaded: ...

Sky plot

Sky plot

Histogram

ngc 7822 in Cepheus, 



    
        

            John Mart