(IAAC) IC 435 - 17.5inch F/4.5

Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 02 November 1994, about 03h00 UT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual in UMi): 6.0
Seeing (1 to 5 - best to worst): 2
Moon up (phase?): no
Instrument: Coulter 17.5" F/4.5
Magnification: 145x
=46ilters used: UHC
Object: IC 435
Category: Diffuse Nebula (reflection)
Constellation: ORI
Object data: 5'x3'; excited by GSC 4771-1146, BMag=3D8.3 and sp.B8;
RA/DE: 05h43.0m, -02=B019' (2000); Uranometria 226
Description: large nebula, between very faint and faint, round and
homogeneous; about 2.6' in estimated diameter; mag.9 central star with a
very faint companion of mag14.5 at about 30"NW; some other mag12 stars are
around the nebula and NGC 2023 is at 20'W; UHC brings nothing on this
I can provide a scanned drawing of IC 435 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
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