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(IAAC) Frosty Leo (GSC 0824-1094) - Newton 17.5" (445mm) F/4.5
Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Object: Frosty Leo
Category: reflection nebula
Constellation: LEO
Object data: Phot.mag.9.8, ø= 12"
RA/DE: 09h39m53.9s, +11°58'53" (2000.0)
Date and UT of observation: 11 February 2003, 02h20 UT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual in UMi): 6.31 (30% of the time)
Transparency (1 to 5 - best to worst): 1
Seeing (1 to 5 - best to worst): 4
Moon up (phase?): no
Instrument: Coulter 445mm/17.5" F/4.5
Magnification: 211-400x
Filters used: tried OIII, UHC, Hß, colored filter
Description: at 400x without filter, very small nebulosity, bright
and round, about 10" in diameter, gradually brighter towards center,
stellar nucleus; global magnitude about 12; mag.13 star 52" to the
NNE; no response to OIII, UHC, Hß or colored filters.
I can provide a scanned drawing of Frosty Leo to anyone who can read
the binhex encoding of Eudora (for Mac); just mail me to try
(yann.pothier@fnac.net), it works quite often with other
configurations...
--
Carpe noctem, Yann.
Yann Pothier
11 impasse Canart, 75012 PARIS, FRANCE
yann.pothier@fnac.net
http://www.astrosurf.com/cielextreme
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