Comet 17P/Holmes

Image details

Instrument:

TMB 130/780 apo refractor with field flattener

Camera:

Home-modified Canon EOS 350D

Mount:

SkyWatcher EQ6 + Boxdörfer DynoStar

Guiding:

72/500 refractor, SBIG St-4

Exposure time, filters:

15x5 min, ISO 800

Location, date:

Urak Asztala (Pilis) , 2007.11.04.

Observing conditions:

Transparency: 7/10, Seeing: 2/10, Temperature: +3°C

Processing:

Iris, Registar, Photoshop