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Contains:  NGC 6804
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NGC 6804 SnowBall, 





    
        

            jerryyyyy
NGC 6804 SnowBall

NGC 6804 SnowBall

Technical card

Resolution: 1356x1288

Dates:Oct. 18, 2019

Frames:
Astrodon 3nm OIII 31mm: 12x1800" bin 1x1
Astrodon Blue Tru-Balance E-Series Gen 2: 24x240" bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 24x240" bin 1x1
Astrodon Red Tru-Balance E-Series Generation 2: 24x240"

Integration: 10.8 hours

Avg. Moon age: 19.10 days

Avg. Moon phase: 80.19%

Astrometry.net job: 2992646

RA center: 292.896 degrees

DEC center: 9.225 degrees

Pixel scale: 0.610 arcsec/pixel

Orientation: 0.119 degrees

Field radius: 0.158 degrees

Locations: Stanford Faculty Observatory, Stanford, California, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Have seen this called both Blue and White Snowball. The color is from the RGB, so IMHO it is blue. O-III was used for L. The drizzled version (here) was much better than the un-drizzled version.

It is very small: 1.1 Arc' in diameter on the long axis.

This nebula exhibits some evidence of an interaction with the interstellar medium, along with a characteristic central torus and outer halo. It may be similar to NGC 2371, but older and with a less constrained wind.

Comments

Author

jerryyyyy
jerryyyyy
License: None (All rights reserved)
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NGC 6804 SnowBall, 





    
        

            jerryyyyy