PK 75+35.1(Sanduleak 4-1) Planetary Nebula in Hercules

Located at: RA 17 hours 13 minutes 51 seconds, Dec +49 degrees 16 minutes 08 seconds

Size: 13" Magnitude: 15.1 photographic Class: --

North is up

West to the right


 14.5" f5 Newtonian reflector


 ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56


Lumicon Red filter,  530 minutes  (53 x 10 minute subs), 06/13/14/15/2014; seeing 2.1-3.3 FWHM per CCDStack


CCDStack 2.78.5280.24003, Photoshop CS5.1


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

Notes: This is the second planetary nebula in Hercules I shot during the full moon period this month ... the other was PK 61+41.1.

The small galaxy at the bottom is MCG 08-31-34 (0.9'x0.7, mag 15.2, Cl: S). At the top of the field is most of AGC 2252 (11.2', Cl: 1 6 II-III, # Galaxies 63).

View 200% crop.

See the CDS image/data.