The comet Machholz Q2 after some turbulence in its tailat approx mag 4.1.
The image is a 2-part mosaic. The lenght of the ion tail in this image measures approx. 2.4 degree.
410mm Cassegrain in prime focus at f/3
About this Image
north is up;
Below you find a 32 frame animation over 2 hours.
Technical Details
Optics
Mount
MK-100 GEM
Camera
SBIG STL-11000M at -30C, internal filter wheel
Filters
Astronomik LRGB
Date
Jan 03, 2005 19:30-21:30 UT.
Location
Wildon/Austria
Sky Conditions
mag 5.5 sky, high transparency, temperature 0 C
Exposure
L:R:G:B all 200 sec sub-exposures; 2x2 bin
Processing
Image calibration in ImagesPlus;
processing, curves in Photoshop; animation in Imageready;