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(IAAC) Berkley 70 - 8inch F/10



Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 25 December 92, ab.20hTU
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): 3
Moon up (phase?): no
Instrument: Meade 8inch F/10
Magnification: 87x, 145x
Filters used: no
Object: Berkley 70
Category: open cluster
Constellation: Aur
Object data:  diam.12' - 50 stars of p15 and fainter - trumpler type IV3m
RA/DE: 05h25.7m +4154'
Description: very faint cluster, small to medium in size, about diam1.8';
some stars of mag13.5 are separated on a diffuse background; there are a
mag8.5 star 19' to the OSO and 2 mag9 stars 15' to the ESE.

I can provide a scanned drawing of Berkley 70 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