| Object: | NGC 6946, NGC6939 |
| Date: | 2010-05-[14,15] |
| Scope, mount, camera: | FSQ-106 ED, f/5.0, MAM50, ST-10XME |
| Filter, exposure time: | LchiRGB, Lchi = L+R+G+B (noise weighted) L=26*100s, RGB = (12x13x12)*300s |
| Total exposure time: | 3h48min |
| Location: | La Palma, Roque de los muchachos |
| Comments: | Data reduction with THELI, colour composition in PS. NOMAD1 BVR colour calibration with a small correction towards SDSS ugr. Resampled from 2.6"/pixel to 2.2"/pixel. Note the faint galactic cirrus in the field and the faint extended halo around NGC 6946. |