PK 211-3.1 (Sanduleak 3-1, Mink 1-6) Planetary Nebula in Monoceros

Located at: RA 06 hours 35 minutes 45 seconds, Dec -00 degrees 05 minutes 38 seconds

Size: 5.0" Magnitude: 16.1 photographic Class: --

North is up

West to the right


 14.5" f5 Newtonian reflector


  ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56


Lumicon Red filter, 20 minutes (120 x 0.167 minute {10 seconds} subs), 02/22/2017; FWHM 3.2-4.5 per CCDStack


CCDStack 2.93.6093.26774, Photoshop CS5.1


 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)


Took advantage of a day with no rain (and mostly clear) to image a 'one day' planetary nebula. Unfortunately, the seeing was not good. Even with 10 second subs, the best star image I could get was 3.5 arc seconds. Also, at a listed size of 5 seconds, the planetary looks like a star (planetary marked in 200% crop) ...

View 200%crop.

See the CDS image/data.