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(IAAC) NGC 6058 - 4.25" F/7.8
Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Object: NGC 6058 (PK 064+48.1; PN G064.61+48.2; ARO 49, VV 76)
Category: planetary nebula
Constellation: HER
Object data: Vmag=12.9; Bmag=13.3; 25"x20"; type III+II; central star of
Vmag=12.8; discovered by Herschel in ????; ELCAT: [OIII, 496+501nm] = 14 x
[Hbeta, 486nm].
RA/DE: 16h04.42m, +40°41.0' (2000.0)
Date and UT of observation: 17 July 1991, ...
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
Transparency (1 to 5 - best to worst): 1
Seeing (1 to 5 - best to worst): ?
Moon up (phase?): no
Instrument: Japanese Newtonian 4.25"/114mm f/7.8
Magnification: 36-100x
Filters used: -
Description: at 36x, practically invisible; at 72x, better seen, small to
medium in size, very faint with some faint stars scattered around,
especially one of mag12 on hte W side; at 180x, small slighlty brighter
core.
Yann Pothier
11 impasse Canart, 75012 PARIS, FRANCE
yann.pothier@fnac.net
http://www.astrosurf.org/cielextreme
http://www.astrosurf.com/cielextreme
http://astrosurf.org/skylink/publi/cielextreme,
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