M 7 in Ha by John Glossop

John Glossop | all galleries >> Images taken with SBIG Cameras >> Images taken with the SBIG ST2000XM > M 7 in Ha


19 October 2010

M 7 in Ha

Cootamundra, NSW

The fine Open Cluster, M 7 or NGC 6475 in the constellation of Scorpius. This cluster is some 80.00" arc minutes in size and shines at a magnitude of 3.30. It is also known as Collinder 354, Melotte 183, Raab 125 and OCL 1028.

Takahashi Sky 90 fitted with a Takahashi Reducer/Flattener operating at f/4.5, taken in the light of Hydrogen Alpha (Ha).

SBIG ST2000XM
10 x 5 minutes @ -25c, Astronomiks 12Nm, Ha filter. full exif

other sizes: small medium large original auto

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