Planetary Nebula Minkowski 1-79
The planetary nebula was discovered in 1946 by the German-American astronomer Rudolph Minkowski. He was looking for H-α emissions on the photographic plates taken with the 60 inch or 100 inch telescope on Mount Wilson. 
M 1-79 seems to have two different axes of polar symmetry in three-dimensional space which suggests that it had not maturated in a simple way. It appears as a PN with an elliptical central part and a bipolarity in the outer regions. It shows an overall point-symmetry along the edges but not when considering details of its inner structure. There are indications that a binary central star system is responsible for this shape. Both size and the expansion velocities are not typical for bipolar PNe. Probably M 1-79 has not yet reached the phase of a «classical» bipolar PN. 
Simbad lists a visual magnitude of the PN with 19.11 mag, but that seems rather to be the one of the central star. SkySafari lists a visual magnitude of 13.3 mag. Distance is listed as 2652 pc. [141, 145]
|Designations||PN G093.3-02.4: M 1-79, PK 93-02.1, ARO 365, VV 268, VV'555|
|Right Ascension (J2000.0)||21h 37m 01s|
|Declination (J2000.0)||+48° 56' 12"|
|Dimensions||33." (optical), 30." (radio)|
|Radial Velocity||-24.0 km/s ± 25.0 km/s|
|Expansion Velocity||19.0 km/s (O-III), 23. km/s (N-II)|
|C-Star Designations||AG82 435|
|C-Star Magnitude||19.11 mag (V filter)|
The planetary nebula Minkowski 1-79 is located in the constellation Cygnus. As entry point for star-hopping one can use the loose open cluster Messier 39. The best observation time is from March to December.
Description pending ...