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Sh2-188 Planetary Nebula in HOO

Technical card

Resolution: 3280x2624

Dates:Aug. 27, 2019Sept. 6, 2019

Astrodon Ha 5nm: 389x120" (gain: 200.00) -20C bin 1x1
Astrodon OIII 3nm: 347x120" (gain: 200.00) -20C bin 1x1

Integration: 24.5 hours

Darks: ~50

Flats: ~50

Bias: ~250

Avg. Moon age: 16.94 days

Avg. Moon phase: 33.04%

Bortle Dark-Sky Scale: 7.00 job: 3256223

RA center: 1h 30' 4"

DEC center: +58° 29' 6"

Pixel scale: 0.648 arcsec/pixel

Orientation: 225.592 degrees

Field radius: 0.378

Locations: Backyard White Zone Observatory, Taylor, MI, Michigan, United States

Data source: Backyard


Sh2-188 (Sharpless2 188) a planetary nebula that is moving through the Inter Stellar Medium. The nebula is considered to be one of the most extreme examples of planetary nebula and ISM interaction. The bright parts of the filamentary rim is the shock front with a faint tail of material stretching away.



Douglas J Struble

Sky plot

Sky plot


Sh2-188 Planetary Nebula in HOO, 


            Douglas J Struble