Messier M43

M43     is above M42

Object Information
Messier object: M43
Common name for Messier object: De Mairan's Nebula
NGC (New General Catalog) number: NGC 1982
Discription: Diffuse Nebula
Note: Part of Orion Nebula
Located in constellation: Orion
Right ascension in hours:minutes: 5:35.6
Declination in degrees:minutes: -5:16
Visual magnitude: 9
Size: 20 x 15 arc minutes
Image shows both M42 & M43
Image size: 55.23 arc minutes high by 40.98 arc minutes wide
Image orientation: North is top, East is left
Detailed discription of M43 in SEDS Messier database
Other Messier galleries, images or catalogs

Observing Log
Date December 21, 1998
Time at end of first CCD image 01:07 PST
Time at end of last CCD image 01:20 PST
Observing Location: At home on the drive way
Observation of object: M43 is a small comma shape bright diffuse nebula. M42 diffuse nebula is located south of M42.

Sky Conditions
Sky transparency: 5.5 (Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon sets at 18:31 PST December 20, 1998
Astronomical twilight ends in the evening at 18:16 PST December 20, 1998
Astronomical twilight starts in morning at 6:00 PST
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 31 - 15 seconds images added together
CCD dark calibration frames: 16 - 15 seconds dark frames

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