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(IAAC) Palomar 11 - 17.5inch F/4.5



Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 15 August 96, 23h00-23h20 UT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual): 6,4
Seeing (1 to 5 - best to worst): 3
Moon up (phase?): no
Instrument: Coulter Dobnewt 17.5" F/4.5
Magnification: 222x
Filters used: no
Object: Palomar 11
Category: globular cluster
Constellation: SER
Object data:  v9.8: - diam.3.2' - type XI
RA/DE: 19h45.3m, -0802'
Description: at 222x, small and extremely faint, round, about 1.1'
estimated diameter; nebulous edges; not well detached without central
condensation; somewhat granulous and peppered with 3-4 stars about mag16; a
mag10 star is at 5'NNW.

I can provide a scanned drawing of Pal 11 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