Telescopes are in some ways like time machines. They reveal galaxies so far away that their light has taken billions of years to reach us. We in astronomy have an advantage in studying the universe, in that we can actually see the past.
/ Sir Martin Rees /

In memoriam Halton C. Arp (1927-2013).

My astronomy sketches. Hover mouse over image for the inverted look. For fainter objects, take a look at the black-on-white original, sometimes it reveals more details.

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J! Amennyiben elrhet, a ikonra kattintva magyarul is olvashatod az szlelst.

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By type: open clusters [55] globular clusters [14] diffuse nebulae [3] dark nebulae [0] planetary nebulae [22] variable stars [17] binary stars [22] asterisms [2] galaxies [83] quasars [1] planets [2] minor planets [1] comets [4] Sun [0] Moon [4] other objects [7]
By catalogue: Messier 1-50 [20] Messier 51-110 [18] NGC 1-1000 [9] NGC 1001-2000 [16] NGC 2001-3000 [29] NGC 3001-4000 [19] NGC 4001-5000 [18] NGC 5001-6000 [19] NGC 6001-7000 [28] NGC 7001-7840 [21] IC 1-5386 [1] other catalogues [62] uncataloged [9] [22]
By constellation:

NGC 7026 (Planetary nebula)
Also known as: The Cheeseburger nebula
Right ascension: 21h 5m Declination: 47 39'
Constellation: Cygnus
Date/time: 2008.09.03 00:00 UT
Equipment: 12" f/5 Newtonian
FoV: 16' Magnification and filter(s): 250x
Seeing: 6/10 Transparency: 4/5
Location: Ndasdladny, Hungary
Observer: Ferenc Lovr

I find this object much smaller (around 0.3x0.4') than what is suggested by the values in catalogues (0.8x0.8'). It's a fairly blue, very bright planetary with a shape resembles a diamond, divided in N-S direction by a dark belt of matter in the middle. Its name is very felicitous when taking a look at its entire shape: Cheeseburger nebula. I can detect an additional faint nub on the NW part of the object. Requires large magnification and a very calm atmosphere.

Hi-resolution image: [ reversed sketch | original sketch ]
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Messier Marathon 2013 Tavasz [magyarul]


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