(IAAC) Dolidze 13 - 8inch F/10

Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 26 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
Filters used: no
Object: Dolidze 13
Category: open cluster
Constellation: CAS
Object data:  diam.12' - 30 stars - trumpler type III1p
RA/DE: 00h50.0m +6408'
Description: very large cluster, medium in brightness, quite scattered;
about 30 stars of mag11-12 are scattered on a diam.15' area. A mag7 star is
about 15'NE.
I can provide a scanned scheme of Dolidze 13 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
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