Messier 33  -  Triangulum Galaxy

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Object identification in 100 % size (1600x1200 px  450kB)

Identification of Hubble-Sandage Variable Var83 ( 50kB)

Previous attempt

Object data of M33

Object type: Galaxy (Sc)
Size: 69' x 42'
Magnitude: 6.2 mag
Constellation: Tri
Distance: 3.1 Mio Ly

Exposure data

Date: 2006-12-14+15+16+23
Location: Steinbach am Ziehberg / Austria (920m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 + SBIG Filters
  Image type: LRGB
  Binning: L 1x1  /   RGB 1x1
  Exposure time: L 39x8m / R 15x20m / G 15x10m / B 15x10m
Exposure time total:  15h 12m


HII regions in M33:

NGC588, NGC592, NGC595, NGC604

IC131, IC132, IC133, IC135, IC136, IC137, IC139, IC142, IC143

Hubble-Sandage variable Var 83 (16 mag; Luminous Blue Variable)