Calculations of the probability of other inhabited planets in our Galaxy are rather meaningless at this stage of our knowledge of the origin of life. But in the framework of the cosmological principle we should assume that there is at least one inhabited planet per galaxy.
/ Michael Rowan-Robinson /



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.


Need advice? Want to discuss an observation? Feel free to contact me at flovro gmail*com.

ÚJ! Amennyiben elérhető, a ikonra kattintva magyarul is olvashatod az észlelést.


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By type: open clusters [67] globular clusters [14] diffuse nebulae [3] dark nebulae [0] planetary nebulae [27] variable stars [18] binary stars [23] asterisms [2] galaxies [119] quasars [1] planets [2] minor planets [1] comets [5] Sun [0] Moon [5] other objects [8]
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NGC 6811 (Open cluster)
Right ascension: 19h 37m Declination: 46° 25'
Constellation: Cygnus
Date/time: 2014.08.17 22:45 UT
Equipment: 12" f/5 Newtonian
FoV: 37' Magnification and filter(s): 100x
Seeing: 5/10 Transparency: 3/5
SQM: 20.90 m/as2 Temperature: 9°C
Humidity: moderate Wind: none
Sight: 4 - lots of details, very interesting, unique look
Difficulty: 3 - moderately visible, dark adaptation needed, averted vision might add to details
Position: 3 - moderate, some starhopping needed
Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Description:

Middle-sized open cluster, nicely separating from its background, which looks grainy because of the miriads of unseen Milkyway stars. This rich object contains several tentacles of stars. To the West of this OC I see an asterism of bright stars, one of its members can be seen on the topmost part of the sketch.
Hi-resolution image: [ reversed sketch | original sketch ]
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