CTA 102 - 3.12.2016 at 18.00 Helsinki, Maunula Observation number 58638

Visibility II / V

Jorma Ryske, Etelä-Suomen kosmol. seura

The quasar CTA 102 normally has a magnitude of about 17 magnitudes. It has a distance of 8,000,000,000 light-years, and now it has become brighter to be seen visually with amateur tubes. Attached without filters is a black and white image of CTA 102, which is also marked with a few close stars with their brightness, as well as the galaxy NGC7305. The brightness of the quasar is now estimated at 12.6 magnitude.

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Additional information

Observation target
- Deep space object
Designation
- CTA 102
- Heikosti näkyvä
Constellation
- Pegasus
Brightness in magnitudes
- 12.6
Field of view
30 arc minutes

Weather
- -6C
Darkness
- Mediocre
Galaxies
- Active galaxy
  
  The active galaxy OJ 287 in Cancer. This active galaxy includes the biggest known black hole. Image Arto Oksanen.

Technical information

SW 200mm / F4, Atik314L +, MPCC, no filters, CEM60. Exposures 14x60s from 18:00 EET. North at the top, east at the left.

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Contact information

CTA 102 - 3.12.2016 at 18.00 Helsinki, Maunula Observation number 58638