Superstition is to religion what astrology is to astronomy: the mad daughter of a wise mother.
/ Voltaire /



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.


Show me the newest sketches!
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]
By catalogue: Messier 1-50 [20] Messier 51-110 [18] NGC 1-1000 [17] NGC 1001-2000 [21] NGC 2001-3000 [32] NGC 3001-4000 [25] NGC 4001-5000 [18] NGC 5001-6000 [22] NGC 6001-7000 [40] NGC 7001-7840 [35] IC 1-5386 [1] other catalogues [71] uncataloged [10] [25]
By constellation:



RR Her (TVICS)
Also known as: RR Herculis
Right ascension: 16h 4m Declination: 50° 30'
Constellation: Hercules
Date/time: 2013.06.18 01:00 UT
Equipment: 12" f/5 Newtonian
FoV: 15' Magnification and filter(s): 250x
Seeing: 7/10 Transparency: 3/5
SQM: 21.32 m/as2 Temperature: 15°C
Humidity: moderate Wind: none
Sight: 3 - definite details, interesting look
Difficulty: 1 - instantly visible, no dark adaptation or averted vision needed
Position: 2 - easy, bright star nearby
Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Description:

Probably the brightest member of an interesting asterism. Its bright orange colour is instantly visible. A nice star, but only its stellar neighborhood that makes it special.
Hi-resolution image: [ reversed sketch | original sketch ]
Sign in

Username:
Password:



Articles

About me
My equipment

DIY - Cheshire Eyepiece
DIY - Apodizing mask

Messier Marathon 2013 Tavasz [magyarul]
Messier Marathon 2015 Tavasz [PDF]NEW!


Advertisement


All text and images are ©opyright of Ferenc Lovró. All rights reserved worldwide.

[2254538]