(IAAC) HM SGE (PK 53-3 2; PN?G053.5-03.1)

Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Date and UT of observation: 19 August 1993, about 00h00 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): 3 (based on naked eye scintillation)
Moon up (phase?): no
Instrument: Meade SCT 8" F/10
Magnification: x145, x312
=46ilters used: UHC, OIII, prism
Object: HM SGE (PK 53-3 2; PN?G053.5-03.1)
Category: possible Planetary Nebula ?
Constellation: SGE
Object data: Vmag=3D10.9; dim.stellar; type unknown (proto-planetary, slow
nova?); central * HM SGE min.11.1-max18.; ELCAT: [OIII]=3D5x[Hbeta]
RA/DE: 19h42.0m, +16=B045' (2000); Uranometria 207
Description: at 80x with prism, continuous spectrum with stellar points on
it; stellar at all powers (until 312x), about mag.10.5-11.0; a mag14 star
is at 35"S.
I can provide a scanned drawing of HM SGE 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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