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(IAAC) Collinder 399 - binoculars 56mm
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: binoculars diam.56mm
Magnification: 8x
Filters used: no
Object: Collinder 399
Category: open cluster (asterism since Skiff looked at Hipparchos data)
Constellation: Vul
Object data: v3.6 - diam1.5d
RA/DE: 19h25.4m, +20°11'
Description: 10 bright stars (mag.6-7) and 15 fainter are scattered quite
homogeneously in a diam.1.5° area; the straight alignment of the coathanger
contains 6 stars aligned E-W and a hook of 4 stars are leaving towards the
S and curving to the W.
I can provide a scanned drawing of Collinder 399 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