Similarly, many a young man, hearing for the first time of the refraction of stellar light, has thought that doubt was cast on the whole of astronomy, whereas nothing is required but an easily effected and unimportant correction to put everything right again.
/ Ernst Mach /



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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NGC 3504 + NGC 3512 (Galaxy)
Right ascension: 11h 05m Declination: 27° 54'
Constellation: Leo Minor
Date/time: 2015.04.10 21:20 UT
Equipment: 12" f/5 Newtonian
FoV: 24' Magnification and filter(s): 167x
Seeing: 6/10 Transparency: 3/5
SQM: 21.01 m/as2 Temperature: 7°C
Humidity: moderate
Sight: 3 - definite details, interesting look
Difficulty: 3 - moderately visible, dark adaptation needed, averted vision might add to details
Position: 4 - hard, complex starhopping needed
Location: Talpa Minor Observatory
Observer: Ferenc Lovró
Description:

The Eastern member of the couple, NGC 3512 is somewhat brighter, face-on galaxy that looks perfectly homogeneous without any particular detail. The Western NGC 3504 has a gradually brightening core, and a stellar object can be seen to the East of the core that looks as if its situated in a spiral arm of the face-on host galaxy.
Hi-resolution image: [ reversed sketch | original sketch ]
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