M109 - NGC3992

in Ursa Major

M109 - NGC 3992

This blue beam is a spike of a 2.4mag bright star of ursa major.

Optic
Officina Stellare RC360AS + Reducer f/6 (f=2160mm)
Mount
Losmandy HGM Titan
Camera
SBIG ST-10XE + CFW10 + AO8
Exposure time
LRGB 6h15min: L: 50 x 3min, RGB: each 15 x 5min 2x Binning
Processing
PixInsight 1.7
Date / Time
27th and 30th April 2012
Location
Bucklige Welt / Niederoesterreich
Notes
chip temp. -18°C, very bad transparancy. Object about 15 Mio. ly distance to earth

astrophotos © by manfred schwarz