Sunday, 3 March 2013

M109



M109 / NGC3992
Constellation - Ursa Major
Spiral galaxy (SBbc)
Distance - 55MLy
Mag 9.8
SB 13.5

Date - 2/3/13
Seeing - Antoniadi II
Transparency - Average
SQM 21.78 (LM 6.5)

Telescope 16" f/4.5
EP 14mm Delos x135 TFoV 0.32˚

Sketch notes
Fuzzy galaxy which was very hard to pick out any detail. Hints of two spiral arms neither of them seem ed connected to the central bar and were almost lost in the soft glow of the galaxy.
I think this would be a tough galaxy to get any detail out of even under better skies.

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