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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WDS H 4 113 (TVICS)
Also known as: Ward 1, WDS H4 113, HIP 103822
Right ascension: 21h 3m Declination: 39° 34'
Constellation: Cygnus
Date/time: 2012.08.16 0:00 UT
Equipment: 12" f/5 Newtonian
FoV: 11' Magnification and filter(s): 250x
Seeing: 7/10 Transparency: 3/5
SQM: 21.19 m/as2 Temperature: 9°C
Humidity: low Wind: none
Sight: 3 - definite details, interesting look
Difficulty: 2 - easily visible, some dark adaptation needed, averted vision might add to details
Position: 2 - easy, bright star nearby
Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Description:

A very nice, colour contrasted binary. Not really tight. The primary member (A) is intense golden yellow while the secondary member (B) is blue with a tint of purple. In fact, this is not simply a binary of two stars, but I found out later while doing a research on this object that many of the other stars on this sketch are connected to the primary (as described in this document).


Hi-resolution image: [ reversed sketch | original sketch ]
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