|
Instrument |
Takahashi FSQ-106ED @
f/5.0 (530 mm F.L.) W/ MoonLite NightCrawler Rotator/Focuser. Captured at 2.1 arcsec/pixel.
Shown at 3.91 and 9.39 arcsec/pixel. |
|
Mount |
Paramount MyT |
|
Camera |
SBIG STF-8300M
unGuided using AstroDon E-Series LRGB filters. |
|
Acquisition Data |
12/13/2018 Chino Valley, AZ. with TheSkyX & CCD Commander |
|
Exposure |
|
Lum |
24 min (12 x
2 min.) Bin 1x1 |
|
RGB |
72 min (12 x
2 min. each) " |
eXcalibrator RGB ratios are 1.00,
1.01 & 0.95 |
|
Software & Processing Notes |
-
TheSkyX,
PixInsight, Photoshop CS6.
-
eXcalibrator
v6.1 for (g:r),(b:r) color balancing, using
88 stars from the Pan-STARRS database.
-
PixInsight
processing includes calibration, registering, stacking, gradient removal, non-linear stretching with HistogramTransformation.
-
PhotoShop for JPEG
creation.
-
PixInsight was used to create the
starless luminance, starless RGB and the star aligned RGB.
These three images were combined with PhotoShop.
|
|
Comment
|
The north is to
the top.
46P/Wirtanen is a
small short-period comet with a current orbital period of 5.4 years.
American astronomer Carl A. Wirtanen discovered the comet on January
17, 1948.
|
