Classification: |
Nebula / NGC6979 |
Constellation: |
Cygnus (CYG) |
Object Location: |
Ra 20h 49m 07s Dec +31° 42’58° (current) |
Size & Distance: |
Apx.120 x 60 Apx. 1470 light years. |
|
Date & Location: |
08-11-2007 Palomar Mountain, CA. |
Exposure: |
HaGB, Ha= 4 @ 15min. (bin 1x1) GB=3ea. @ 5min (bin 2x2) |
Optics: |
Takahashi Epsilon-180 f2.8 504mm. |
Mount: |
Astro-Physics 900 GTO / ATS 10x36 pier |
Camera: |
Starlight-Xpress SXV-H9 w/ SXV guider head and 2045. |
Filters: |
Astrodon 6nm Ha, G1 GB. |
Software: |
MaxImDL 4.11, Photoshop CS |
|
Notes: |
Sky conditions: Good seeing, Light wind, Temp 67° Image Field of view is 45 x 60 arcmin. ____________________________________________
Pickering's Triangle (or Pickering's Triangular Wisp), brightest at the north central edge of the loop, but visible in photographs continuing toward the central area of the loop. . . |