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(IAAC) Collinder 399 - naked eye



Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 3 August 1994, ab.01hTU
Location & latitude: Chateau-Renard Obs. (France, latN44 40, longE06 28)
Site classification: mountain top, alt.2990m
Limiting magnitude (visual): 6,5
Seeing (1 to 5 - best to worst): 3
Moon up (phase?): no
Instrument: naked eye (pupil size ab.6mm)
Magnification: 1x
Filters used: no
Object: Collinder 399
Category: open cluster
Constellation: Vul
Object data:  v3.6 - diam1.5d
RA/DE: 19h25.4m, +2011'
Description: small nebulous patch, quite easy to see.



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