Sunday, 3 February 2013


M46 / NGC2437
Constellation - Puppis
Open cluster
Distance 5300Ly
Mag 6.1

Date - 2/2/13
Seeing - Antoniadi II
Transparency - good
SQM 21.44 (LM 6.3)

Telescope - 16" f/4.5
EP - 26mm Nagler x76 TFoV 1.1˚

Sketch notes
Easily naked eye object.
Seeing and transparency was alot better for this sketch than the previous OC's making the stars sharper but not as bright, I also didnt pick up and colour either.
I used a UHC to 'lose' some of the fainter background stars of the Milky Way and also show more contrast on the PN NGC2438.
Interesting cluster enhanced by the planetary nebula.

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