PK 173+2.1* (Sh2-235A) Bright Nebula in Auriga

Located at: RA 05 hours 40 minutes 53 seconds, Dec +35 degrees 42 minutes 18 seconds

Size: 30" Magnitude: -- Class: HII region

North is up

West to the right


 14.5" f5 Newtonian reflector


 ST-8XME, self-guided, binned 1x1, temp -25c, camera control MaxIm DL 4.56


Lumicon Red filter, 670 minutes (67 x 10 minute subs), 12/27/29/2015; seeing 2.7-3.9 per CCDStack


CCDStack 2.90.5589.16047, Photoshop CS5.1


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


Imaged just proceeding M 36, between periods of windy weather (poor seeing). The next week or so is expected to be windy and rainy.

This is a very busy area of the sky. Just about 30 arc minutes north of this object is an east-west line of Sharpless Bright Nebulae (Sh2-232, 235, 231 and 233). The bottom half of S22-235 is at the top of this image. See this wonderful HII image/description of this area by M.Schuster.

View 200% crop.

*This object was misclassified as a Planetary Nebula ... see the CDS image/data.