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Contains:  Helix nebula, NGC 7293
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Helix Nebula, 


            sky-watcher (johny)
Helix Nebula

Helix Nebula

Technical card

Resolution: 1952x1232

Dates:Sept. 3, 2019Sept. 29, 2019

12x300" -20C bin 1x1
Optolong H-alpha 7nm 2": 48x180" (gain: 200.00) 5C bin 1x1

Integration: 3.4 hours

Darks: ~15

Avg. Moon age: 2.75 days

Avg. Moon phase: 11.70%

Bortle Dark-Sky Scale: 4.00 job: 2952724

RA center: 337.404 degrees

DEC center: -20.844 degrees

Pixel scale: 1.210 arcsec/pixel

Orientation: 359.410 degrees

Field radius: 0.388 degrees

Locations: Western Hungary, Páli, Hungary

Data source: Backyard


The helix nebula is pretty difficult object for me.
At my location (47° North) is very low in the sky.
Colour : SW Quattro 10" - Moravian G3-11000c / 1 hr
Ha : SW Quattro 10" - ASI 174mm - Ha 7nm / 2,5 hr



sky-watcher (johny)
License: None (All rights reserved)

Sky plot

Sky plot


Helix Nebula, 


            sky-watcher (johny)