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Kfir Simon | all galleries >> Galleries >> clusters > Messier 7
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Messier 7

This open cluster is Lying in the heart of the milkyway and between 2 dark nebulae:
Barnard 283 - seen on the left
Barnard 287 - seen on lower the right as a walking man's figure
The globular NGC 6453 is seen above M7
The cluster's estimated distance is about 8001000 light years which corresponds to an actual diameter of 1825 light years.
The age of the cluster is around 220 million years while the brightest star is of magnitude 5.6.

Imaged with the Boren-Simon 8" F/2.8 POWERNEWT Astrograph.
SBIG ST8300M camera with SBIG Filterwheel with BAADER LRGB filters.
EQ6 PRO mount with PHD guiding.
20x1 min for luminance bin x1
5 min per RGB channel bin X2
Total of 35 minutes.
Imaged from the NEGEV desert in ISRAEL on April 1st 2011

other sizes: small medium large original auto
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