Messier M33


Object Information
Messier object: M33
Common name for Messier object: Triangulum Galaxy
NGC (New General Catalog) number: NGC 598
Discription: Spiral Galaxy
Located in constellation: Triangulum
Right ascension in hours minutes: 1:33.9
Declination in degrees minutes: 30:39
Visual magnitude: 5.7
Size: 73 x 45 arc minutes
Image size: 55.23 arc minutes high by 40.98 arc minutes wide
Image orientation: North is top, East is left
Detailed discription of M33 in SEDS Messier database
Other Messier galleries, images or catalogs

Observing Log
Date of observation: August 19, 1998
Time at end of first CCD image 02:46 PDT
Time at end of last CCD image 02:58 PDT
Observing Location: ARGO
Observation of object: M33 is the second largest visual galaxy in the Messier list. M33 has two bright spiral arms coming from the nucleus.
Sky Conditions
Sky transparency: 5.8 (Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon set at 17:52 PDT on August 18, 1998
Astronomical twilight ends in the evening at 21:51 PDT on August 18, 1998
Astronomical twilight starts in morning at 4:24 PDT on August 19, 1998
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 4 - 240 seconds images added together
CCD dark calibration frames: 4 - 240 seconds dark frames

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