Open cluster located 11500 l.y. from Earth in the constellation of Cepheus, associated to the HII region known as Sh2-142.
Discovered by Caroline Herschel in 1787. |
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| Optic |
SW Quattro 8S 200mm f/4 with Baader MPCC Mark III corrector |
| Camera |
EOS 600D Baader and QSI 683 WS |
| Filters |
IDAS LPS-P2 2 and Astrodon 5nm Ha, SII, OIII |
| Mount |
NEQ6 with EQASCOM
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Guide
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SW 70/500 with AlCCD5
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Frame center
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RA 22:47:23 DEC 58:07:07 J2000
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Date
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2014/07/18 and 2014/09/25
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Site
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S.Barthelemy, AO, Italy
Backyard, Milan, Italy
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| Exposures
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Ha - 16x900s bin 1x1 @ -20°C
RGB - 32x420
Integration time - 7h 45m
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Notes
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Ha data kindly provided by Davide Coverta.
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