(NGC 3587 or PK148+57.1)
The well known "Owl Nebula" gets its name from the two dark patches that resemble eyes. This planetary lies in the constellation Ursa Major. Celestron Fastar 8 at f/1.95, PixCel 237. Celestron Fastar 8 at f/1.95, PixCel 237. This RGB image was assembled from three 600 second (five by 120 seconds Track and Accumulate) composite RGB images. The RGB exposure ratio was 1:1:1. All images were unguided at -28 degrees Celsius, using the AP900. Image assembled in Adobe Photoshop. RGB files registered in CCDOPS v4.0.