|
Object |
Emission nebulosity in the region of Sadr, in Cygnus |
|
Telescope (Photo) |
Celestron 11" EdgeHD SCT OTA with Optec/Lepus f/6.2 focal
reducer on Losmandy G-11 Mount |
|
Telescope (Guiding) |
Orion EON 80mm ED Refractor @ f/6.25
on Losmandy G11 Mount |
|
Camera (Photo) |
SBIG ST8300M monochrome CCD |
|
Camera (Guiding) |
Starlight Express Lodestar w/
PHD Guiding |
|
Exposure Detail |
H-Alpha and RGB combination:
H-Alpha: excluded-average combination of
12 images ( binned 1x1) at 300 seconds
Red: excluded-average combination of 12 images (binned 2x2) at
150
seconds
Green: excluded-average combination of 12 images (binned 2x2) at
150
seconds
Blue: excluded-average combination of 12 images (binned 2x2) at
150
seconds
RAW file conversion, full calibration (flat, dark, bias,
flat-dark), and initial image processing using ImagesPlus 4.0;
final image processing using Photoshop CS3 |
|
Location |
Cincinnati Astronomical Society's Dark-Sky Site (Adams County,
Ohio) (N38.876, W83.464) |
|
Date |
08/27/11 |