IC 4593 (PK 25+40.1) Planetary Nebula in Hercules

Located at: RA 16 hours 11 minutes 45 seconds, Dec +12 degrees 04 minutes 17 seconds

Size: 30"* Magnitude: 10.9 photographic Class: 2+2

North is up

West to the right

Telescope:

 14.5" f5 Newtonian reflector

Camera:

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

Image:

Lumicon Red filter,  50 minutes  (200 x 0.25 minute {15 seconds} subs), 05/29/2014; seeing 1.8-2.9 FWHM per CCDStack

Processing:

CCDStack 2.77.5159.19820, Photoshop CS5.1

Location:

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

Notes:* This is my first web page designed entirely from scratch in Microsoft  Expression Web 4 ... it will take a little getting used to.

30" size indicates faint outer 'scrum' seen in this CDS image. Recorded size in my image is closer to NGC / IC Project size.

View 200% crop.

From the NGC / IC Project
:

NO Contemporary Visual Observation(s) for IC 4593 ... Contemporary/Current Data for  IC 4593 lists the size as 12"x10"