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(IAAC) NGC 40



Observer:  Randy Moench
Your skill:  Intermediate
Date and UT of observation:  12/26/97 19:30 MST; 12/27/97 02:30 UTC
Location & latitude:  Poudre Park, Colorado, 40d 41' latitude
Site classification:  Rural
Limiting magnitude (visual):  5.9
Seeing (1 to 5 - best to worst): 4
Moon up (phase?):  No
Instrument:  7 inch f/15 Maksutov-Cassegrain with 80 mm f/3.2 finder.
Magnification:  83, 109, 148.
Filters used:  Lumicon UHC and OIII.
Object:  NGC 40
Category: Planetary nebula
Constellation:  Cepheus
Object data: Magnitude: 10.7; Size: 1.0'x0.7'; Magnitude of brightest star:
11.5.
RA/DE: Position (epoch J2000.0):  RA:   0h 13m 0s; Dec: +72 32' 00"; U2000:
Chart 3, Vol 1
Description:
This is an excellent planetary revealing more detail than many.
Stellar appearance with halo of nebulosity obvious without filters.
Halo more conspicuous with UHC filter, not so with OIII.  Bright
central star.  Faint (13 mag.) companion star nearby.

Randy Moench
Northern Colorado Astronomical Society
http://lamar.colostate.edu/~rmoench/ncasrdm.html