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Contains:  IC 1396
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sh2-131 Elephant Trunk Nebula, 



    
        

            John Mart
sh2-131 Elephant Trunk Nebula
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Technical card

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

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

Software: PixInsight PinInsight 1.8  ·  SGP  ·  PHD 2

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

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:July 10, 2020

Frames:
Optolong Ha 1.25" 7nm: 50x300" (gain: 139.00) -15C bin 1x1
Optolong OIII 1.25" 6.5nm: 57x300" (gain: 139.00) -15C bin 1x1
Optolong SII 1.25" 6.5nm: 34x300" (gain: 139.00) -15C bin 1x1

Integration: 11.8 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 19.92 days

Avg. Moon phase: 72.83%

Bortle Dark-Sky Scale: 5.00

Temperature: 22.00


Basic astrometry details

Astrometry.net job: 3661763

RA center: 21h 37' 3"

DEC center: +57° 45' 21"

Pixel scale: 1.371 arcsec/pixel

Orientation: 274.671 degrees

Field radius: 1.059 degrees


Resolution: 4475x3295

Locations: Home observatory, Atlanta, Georgia, United States

Data source: Backyard

Description

Here is my SHO processed image of the elephant trunk nebula. It took me over three weeks to capture this due to an unusually large dust cloud that crossed the Atlantic from the Sahara desert and then a series of storms in the southeast USA.

Comments

Author

martja
John Mart
License: None (All rights reserved)
190
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sh2-131 Elephant Trunk Nebula, 



    
        

            John Mart