Sh2-188 (PK 128-4.1, LBN 633) Planetary Nebula in Cassiopeia

Located at: RA 01 hours 30 minutes 30 seconds, Dec +58 degrees 23 minutes 30 seconds

Size: 9.0' Magnitude: -- Class: --

North is up

West to the right


8" f5 Newtonian reflector


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


Lumicon Red filter, 600 minutes (60 x 10 minute subs), 10/24/25/2008; seeing 1.9-2.9 FWHM per CCDStack


CCDStack 1.3.7, Photoshop 7.0


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

Notes: I'm giving the 'Bright Nebula' heading (Sharpless) for this object, but it is now considered a Planetary Nebula. See the CDS image/data.

See the 14.5" version.