NGC 2683 in Lynx is a bright spiral galaxy of the morphological
class Sb, it was discovered by William Herschel in 1788. It is seen nearly edge-on and
nicknamed the "UFO Galaxy" because of its shape. The small yellowish core in the
center of the galaxy consists of older stars, the disk contains lots of dark
dust structure which can be traced well in this image. Its distance seems
uncertain, values are given from 16 to 25 million light-years.
Lots of small background galaxies can be found within this image if you look
closely.
Exposure Data
- Instrument: 9.5" f/4.9 Newtonian
- F/stop: 5.6
- Exposure: 14 x 10 minutes
- Camera: ALccd 6c Pro = QHY8pro
- Offset/Gain/Temp: 111 / 51% / -20°C
- Date: April 6, 2010
- Exposure start: 22:12 MESZ
- Location: Ebenwaldhöhe, Lower Austria
- Conditions: Visual limiting magnitude 6.1 mag, seeing 1.8-3.6" FWHM, temperature -1°C, slight wind, low humidity
- Autoguider: Meade Pictor 216 XT, max. error: 1" (RA) / 1" (Dec)
- Enhancement: Basic data reduction, combine, logarithmic curves, crop, background flattening, star size reduction, noise filtering, color correction, local contrast enhancement, deconvolution