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(IAAC) Czernik 43 - 8inch F/10



Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 20 December 92, ab.20hUT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual): 5,8
Seeing (1 to 5 - best to worst): 4
Moon up (phase?): no
Instrument: Meade 8inch F/10
Magnification: 87x, 145x
Filters used: no
Object: Czernik 43
Category: open cluster
Constellation: CAS
Object data:  diam.14' - 15 stars - trumpler type III1r
RA/DE: 23h25.8m +6119'
Description: large and medium in brightness, easy to see, more scattered
than nearby M52, dimensions hard to determine because the cluster seems to
have no definite limits, maybe 10 to 12'; 10 stars of mag.11-12 and 20 of
mag13-14 are scattered upon this 12' area; with a mag.9 star on the
Northern border. M52 stands approx. 20' to the North, smaller than Cz 20.

I can provide a scanned scheme of Czernik 20 to anyone who can read the
binhex encoding of Eudora (for Mac); just mail me to try
(ypothier@abi.snv.jussieu.fr), it works sometimes with other
configurations...


Yann Pothier	tel: 01 43 41 43 29
11 impasse Canart, 75012 PARIS, FRANCE
Email: ypothier@abi.snv.jussieu.fr
Site : http://pegase.unice.fr/~skylink/publi/cielextreme