| Classification: |
Emission Nebula DWB111 / MRSL497 / SIMEIS 57 |
| Constellation: |
Cygnus (CYG) |
| Object Location: |
Ra 20h 16m 40s Dec +43° 43’58° (current) |
| Size & Distance: |
Best guess, 15’ x 32’ apx 1500 light-years. |
|
| Date & Location: |
06-19-2009 Palomar Mountain, CA |
| Exposure: |
HaRGB Ha=6 @ 10min. (bin 1x1) RGB 3ea. @ 5min. (bin 2x2) |
| Optics: |
Telescope Engineering Company APO140ED @ f/7 F/L 940mm. |
| Mount: |
Astro-Physics 900 GTO / ATS 10x36 pier. |
| Camera: |
SBIG-ST10XME / Guided by STV 80mm, SBIG-RGH |
| Filters: |
Astrodon 6nm Ha, Gen2 RGB |
| Software: |
MaxImDL 4.56, Photoshop CS |
|
| Notes: |
Sky conditions: Average seeing, calm winds, low 60’s
Image Field of view is 35 x 52 arc-min.
|
