(IAAC) Frolov 1 - 8inch F/10

Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 27 December 92, ab20h30UT
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
Filters used: no
Object: Frolov 1
Category: open cluster
Constellation: CAS
Object data: v9.2 -  diam.3' - stars of v10.6 and fainter
RA/DE: 23h57.4m, +6138'
Description: small and bright cluster of about 5.5' in estimated diameter;
it contains one mag11 star, 3 mag12 stars and some others of mag13-14 on a
fuzzy background; there is a mag10 star near the NW border and a mag7 star
25' to the W.
I can provide a scanned scheme of Frolov 1 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