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.


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:



M47 (Open cluster)
Right ascension: 7h 37m Declination: -1° 31'
Constellation: Puppis
Date/time: 2013.03.02 20:30 UT
Equipment: 4.5" f/8 Newtonian
FoV: 57' Magnification and filter(s): 60x
Seeing: 6/10 Transparency: 4/5
SQM: 21.36 m/as2 Temperature: -9°C
Humidity: low Wind: none
Sight: 3 - definite details, interesting look
Difficulty: 1 - instantly visible, no dark adaptation or averted vision needed
Position: 3 - moderate, some starhopping needed
Location: Lipótfa, Zselic, Hungary
Observer: Ferenc Lovró
Description:

Large, loose open cluster with many faint members, near the much fainter M46 open cluster. This object has fewer stars, yet it still looks a lot brighter. I'm getting frozen now.


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.

[2253896]