Messier 33 - Triangulum Galaxy


100% resolution (1600x1200 px 450kB) 200% resolution (3200x2400 px 840kB) 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
	Notes:

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
	Notes:	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)