NGC 6894 (PK 69-2.1) Planetary Nebula in Cygnus

Located at: RA 20 hours 16 minutes 24 seconds, Dec +30 degrees 33 minutes 51 seconds

Size: 60" Magnitude: 14.4 photographic Class: 4+2

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

 ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56

Image:

Lumicon Red filter, 600 minutes (60 x 10 minute subs), 07/26/27/29/2013; seeing 3.4-4.2 FWHM per CCDStack

Processing:

CCDStack 2.74.4938.18664, Photoshop CS5.1

Location:

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

Notes: Continuing imaging planetary nebulae in July ... seeing still not to good for this object, even for my location, as Southern California is sitting on the western edge of a large high pressure system situated over western Texas.

View 200% crop.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 6894

NGC 6894 = PK 69-2.1 = PN G069.4-02.6
20 16 23.9 +30 33 55
V = 12.5;  Size 44"

17.5": moderately bright and large, round.  Annular appearance at 105x using an 
OIII filter and exhibits an obvious darker center at 222x and 294x with a UHC 
filter.

- by Steve Gottlieb