|
Instrument |
Takahashi FSQ-106ED @
f/5.0 (530 mm F.L.) Captured at 2.1 arcsec/pixel. Shown at
4.2 and 9.38 arcsec/pixel. |
|
Mount |
Losmandy G11 with Gemini L4 v1.0 |
|
Camera |
SBIG STF-8300M Self
Guiding Package w/ mono ST-i, using Baader LRGB filters. |
|
Acquisition Data |
8/8/2013
to 11/8/2013 Chino Valley, AZ... with CCDAutoPilot5 & CCDSoft. |
|
Exposure |
|
Lum |
900
min. (60 x 15 min. bin 1x1) |
|
Red |
360 min. (24 x
15 min. each bin 1x1) |
|
Green
|
300 min. (20 x 15 min. each bin 1x1)
|
|
Blue
|
255 min. (17 x 15 min. each bin 1x1)
|
|
|
Software & Processing Notes |
-
CCDSoft, CCDStack,
Photoshop CS6, PixInsight and Noel Carboni's actions.
-
eXcalibrator v4.2
for (g:r) color balancing, using 258 stars from the SDSS-DR9
database.
-
CCDStack to
calibrate, register, normalize, data reject, combine the sub
exposures, selective Maximum Entropy deconvolution and to create the RGB
image.
-
PixInsight for
color gradient removal and initial non-linear stretching.
-
PhotoShop for the
LRGB combine & final touch-up.
-
Noiseware 5, a
PhotoShop plug-in.
|
|
Comment |
The galaxy is shown
rotated 90 degrees clockwise
NGC 7497 is a spiral
galaxy, type SBc, in the constellation Pegasus. At a distance
of about 59 million light-years, the galaxy is viewed through the
Integrated Flux Nebula (IFN). The residual light of our galaxy
illuminates this faint nebula.
|
