| NGC884 and NGC 869, aka Double Cluster, are located in Perseus and lie at a distance of about 7000 light years from Earth.
The age of the stars is estimated in 19mln years. |
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|
| Optic |
SW Quattro 8S 200mm f/4 with Baader MPCC Mark III corrector |
| Camera |
EOS 600D Baader |
| Filters |
IDAS LPS-P2 2 |
| Mount |
NEQ6
|
Guide
|
SW 70/500 with AlCCD5
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Frame center
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RA 02:20:54 DEC 57:08:38 J2000
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Date
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2013/12/01
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Site
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Backyard, Busto G. Milan, Italy
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| Exposures
|
48x150s 13 dark 13 flat 13 bias
Integration time - 2h
|
Notes
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Collimation test of the new OTA
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