Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

CTB1 - 29.11.2018 at 01.00 Fregenal de la Sierra, Espanja Observation number 79633

Visibility I / V

Tapio Lahtinen, Tampereen Ursa

This object was originally named Abell 85 because it was thought to be a planetary nebula but was later found to be a supernova remnant and was named CTB1.
The distance to the site is estimated at 10,000 light-years and its diameter at about 100 light-years. The site is estimated to be about 10,000 years old.
The subject is about the size of a full moon and is extremely dim.

More similar observations
Additional information
  • Observation target
    • Deep space object
  • Designation
    • CTB1
    • Erittäin heikosti näkyvä
  • Constellation
    • Cassiopeia
Technical information

Sky-Watcher Esprit 100ED, 10 Micron GM 1000 HPS, Atik 460EX, 670 min Ha, OIII

Comments: 3 pcs
Lauri Turunen - 4.12.2018 at 12.18 Report this

Hivenen samaa ulkonäköä sumun oik. laidassa kuin Harsosumussa.

Mauri Korpi - 4.12.2018 at 15.00 Report this

Minä katsoin että vähän PacManin näköä :)

Rauno Päivinen - 7.12.2018 at 18.26 Report this

Hieno kuva, kohde on tosi himmeä ja vaikea saada näkyviin.

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