| Description: | This emission/reflection nebula is in the
vicinity of M52. |
| Exposure Data: | 9/24/2009. HaRGB: 12x20m, 4x20m, 4x20m,
4x20m,all 1x1. -50°C, 0.50 arc-sec./pixel. 8 hours total
exposure. |
| Processing: | Acquired via CCDAutoPilot and Maxim/CCDSoft,
calibrated and combined in CCDStack, final processing in PS CS3 and
PixInsight. |
| Optical System: | 0.4m Ritchey-Chretien @ F/9 w/FFC, Apogee Alta U16M/D9F
CCD camera/FW50-7S filter wheel, AstroDon
Gen 2 filters, Paramount
ME, dithered 3 pixels, off-axis guided with SBIG ST-402ME. |
| Comments: | Synthetic RGB from R+75%Ha, G, B+15% Ha. |