(IAAC) Obj: NGC2438 - Inst: 30cm SCT
Observation Poster: Jim Anderrson <email@example.com>
Observer: Jim Anderrson
Your skills: Intermediate (some years)
Date/time of observation: 11182001/04:12EST
Location of site: Troutdale, VA (Lat 36:41, Elev 3400')
Site classification: Rural
Sky darkness: 6/10 <1-10 Scale (10 best)>
Seeing: 7/10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 30cm SCT
Magnification: 55X, 117X, 138.5X, 203X, 254X, 314X
Filter(s): UHC, O-III
Category: Planetary nebula.
Data: mag 11.0v size 66"
Position: RA 07:41.8 DEC -14:44
This PN is superimposed on an open cluster, M46 (NGC2437).
55X - Very faint. Almost lost in the sky glow. Not visable with O-III filter.
138.5X Faint round PN surrounded by 11-13 mag stars numbered in the hundreds. NGC2438 is faint, but easily seen. It responds well to the O-III filter. It is dimmed, but the cluster stars are almost extinuished.
314X - The PN responds well to to the O-III filter and magnification. The NW
side appears fainter than the remainder of the disk. I can't determine if there
is annularity because the central region is slightly washed out by the 13-14
mag central stsr.
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