NGC 6804 (PK 45-4.1) Planetary Nebula in Aquila

Located at: RA 19 hours 31 minutes 35 seconds, Dec +09 degrees 13 minutes 31 seconds

Size: 35" Magnitude: 12.2 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, 650 minutes (65 x 10 minute subs), 09/17/19/20/2014; seeing 2.4-4.1 FWHM per CCDStack

Processing:

CCDStack 2.81.5337.19441, Photoshop CS5.1

Location:

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

Notes: View 200% crop.

From the NGC / IC Project:

Contemporary Visual Observation(s) for NGC 6804
NGC 6804 = PK 45-4.1 = PN G045.7-04.5
19 31 35.3 +09 13 31
V = 12.2;  Size 62"x49"

17.5" (7/11/99): at lower powers appears moderately bright, irregularly round, 
~1' diameter with several stars involved or nearby.  At 280x, the view is very 
unusual with three stars involved and others nearby.  The brightest is a mag 
12.5-13 star at the NE edge.  The mag 13.5-14 central star is visible with 
direct vision.  Finally, a mag 14.5-15 star is at or just off the west side.  
The planetary is slightly elongated 4:3 SW-NE with an irregular surface 
brightness.  The rim appears brighter along the E and NE side and weakest at the 
west edge.  Nearby stars include a mag 13 star ~1.5' NE (nearly on a line with 
the central star and the star on the NE edge) and a mag 15-15.5 star close SSW 
of the star at the west edge.

13": moderately bright, elongated WSW-ENE.  Unusual appearance as four faint 
stars are very near or involved including the faint mag 14 central star visible 
with averted vision.  A mag 13 star is at the NE edge 27" from the center, a 
very faint mag 15 star is at W edge and a similar star is just NW.  The rim is 
possibly slightly brighter on the E edge.

- by Steve Gottlieb