Gyulbudaghian's Nebula
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Type Location r.a. dec. Size Magnitude Distance
Variable Nebula Cepheus 20h45.5 +67°58' 1'

One of the very few nebulae varying in shape from year to year, the emitting source being a variable star.
Following links point to other pictures of this strange object:

http://www.psiaz.com/polakis/deepsky/gyul_Apj81b.jpg

http://www.psiaz.com/polakis/deepsky/gyul_vick_tp.jpg

http://www.psiaz.com/polakis/deepsky/gyul.jpg

2002 image:

2005 image:

 

Animation, showing 2002 - 2003 - 2004 - 2005 evolution:

Date Telescope Binning Exp Time (s) Special processing Notes
Aug 23, 2002
July 9, 2003
Aug 5, 2004
Aug 29, 2005		 Centurion
18"		 L 1:1
RGB 3:1		 L 3x300
R,G,B 300		  Max Entropy, DDP