Computer science is no more about computers than astronomy is about telescopes.
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My astronomy sketches. IE users, hoover mouse over image for the inverted look. For fainter objects, take a look at the black-on-white original, sometimes it reveals more details.


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By type: open clusters [30] globular clusters [13] diffuse nebulae [1] dark nebulae [0] planetary nebulae [14] variable stars [1] binary stars [9] asterisms [2] galaxies [37] quasars [0] planets [2] minor planets [0] comets [0] Sun [0] Moon [2] other objects [1]
By catalogue: Messier 1-50 [12] Messier 51-110 [11] NGC 1-1000 [3] NGC 1001-2000 [11] NGC 2001-3000 [14] NGC 3001-4000 [8] NGC 4001-5000 [8] NGC 5001-6000 [9] NGC 6001-7000 [19] NGC 7001-7840 [15] IC 1-5386 [0] other catalogues [20] uncataloged [6]
By constellation:



M45 + Moon occultation (Open cluster)
Also known as: Pleiades, NGC 1432, NGC 1435
Right ascension: 3h 48m Declination: 24° 12'
Constellation: Taurus
Date/time: 2010.02.21 19:00 UT
Equipment: 12" f/5 Newtonian Scope
FoV: 1° 1' Magnification and filter(s): 45x
Seeing: 5/10 Transparency: 3/5

I was very fortunate that we had a clear night when this rare event occured, we had only a couple of such evenings this winter sofar. The 50% Moon was on the Southern side of the Pleiades. The star you may notice near the Moon was visible only for about 5-10 minutes, before it was covered by our little brother.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 2392 (Planetary nebula)
Also known as: Caldwell C39, Herschel H45-4, Eskimo or Clown Face Nebula
Right ascension: 7h 30m Declination: 20° 53'
Constellation: Gemini
Date/time: 2010.02.21 20:00 UT
Equipment: 12" f/5 Newtonian
FoV: 11' Magnification and filter(s): 300x + UHC filter(s)
Seeing: 7/10 Transparency: 3/5

I've sketched this planetary about a year ago, but obviously I did not mark it as "SKETCHED" in my list of objects, so the result is a new drawing. However, when I compared the two sketches, it was obvious to make this mistake, because now - even if conditions were not ideal thanks to the 50% Moon nearby - I was able to see and record much more details: the brighter arcs around the central star were not at all visible for me, but now they were easily noticeable. The UHC filter was not neccessary to observe this object, however it boosted the intensity of the brighter central bubble.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 2126 (Open cluster)
Also known as: Herschel H68-8
Right ascension: 6h 3m Declination: 49° 52'
Constellation: Auriga
Date/time: 2010.02.21 19:30 UT
Equipment: 12" f/5 Newtonian
FoV: 25' Magnification and filter(s): 100x
Seeing: 6/10 Transparency: 3/5

A small, triangle shaped open cluster sitting in a sparse stellar environment. A very bright star dominates the cluster at one of its corners, but I suspect that this star is not actually a part of this group. Apart this, the cluster shows about a dozen of brighter and another dozen of fainter members.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

M48 (Open cluster)
Also known as: NGC 2548
Right ascension: 8h 14m Declination: -5° 47'
Constellation: Hydra
Date/time: 2010.02.21 20:30 UT
Equipment: 12" f/5 Newtonian
FoV: 47' Magnification and filter(s): 45x
Seeing: 7/10 Transparency: 3/5

This large, moderately bright open cluster can be detected easily in a 50mm finderscope or binocular. When looking through the telescope I see countless number of stars that are very similar both in colour and luminosity. I can also detect some foggy background which may be miriads of unresolved stars. The conditions were not perfect to sketch this cluster because the 50% Moon caused a low NELM (SQM reading was 17.33 towards the Moon and 19.46 opposite the Moon, -3°C, low humidity).

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

M44 (Open cluster)
Also known as: NGC 2632
Right ascension: 8h 41m Declination: 19° 48'
Constellation: Cancer
Date/time: 2010.02.16 01:00 UT
Equipment: 12" f/5 Newtonian
FoV: 1° Magnification and filter(s): 45x
Seeing: 7/10 Transparency: 2/5

Huge, bright open cluster in the middle of the Cancer constellation. It's so bright that it can be easily noticed with the naked eye on a sky that has a NELM of at least 4-4.5 magnitudes, as a faint fuzzy spot. It's actual diametre when viewed in a telescope is twice as large as that of the full Moon, therefore it's best viewed in a wide field telescope like a short rafractor, finderscope or binoculars. I've some sentimental feelings about this object, because it was the first deep space object I've ever observed with my own telescope (a 114/900 newt back in 2001). It has some dozens of relatively bright stars with white or a bit bluish colours, some of them forming spectacular triangles. The weather conditions were not favorable for sketching, I measured -11°C when I finished this session.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

3C 147 (Quasar)
Also known as: PGC 2355407
Right ascension: 5h 43m Declination: 49° 40'
Constellation: Auriga
Date/time: 2010.02.15 23:00 UT
Equipment: 12" f/5 Newtonian
FoV: 34' Magnification and filter(s): 100x
Seeing: 7/10 Transparency: 3/5

This is actually an unsuccessful observation, I still believe it should be posted here because it shows how hard is the life of an ordinary visual observer. :) The map I'm using (Triatlas B) shows stars and DSO's to approximately 12 mags. I found this quasar in Auriga and I was sure I'll be able to take a glimpse of this distant object. Without exact position data, I decided to sketch the field of stars and identify the actual quasar later. Unfortunately my astronomy program did not show any quasar here to the 16.5 magnitudes. The reason is that it lists the quasar at 18.2. I've googled the Vmag of this QSO, and found brightness data anywhere from 15.0 to 17.8m. At 15 magnitudes I should be able to see the object surely with averted vision (we had 100% snow coverage, so the NELM was not as good as it used to be). So, what I've learned from this is that brightness information must be handled with special care, especially for faint and exotic objects.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 1023 (Galaxy)
Right ascension: 2h 41m Declination: 39° 7'
Constellation: Perseus
Date/time: 2010.01.03 19:45 UT
Equipment: 12" f/5 Newtonian
FoV: 11' Magnification and filter(s): 167x
Seeing: 7/10 Transparency: 2/5

This galaxy shows an almond-shaped bright core and an ellipse-shaped body, with some brighter bulge around the core as its only special feature. The NELM was quickly getting worse because of the rising Moon, so I'm absolutely sure it would show a much larger size under a truely dark sky, but this time I estimate dimensions of only 2'x0.5'. SQM readings (just to give you an idea how much the Moon adds to light pollution): 19.95m/arcsec2 (Moon slightly below the horizon) down to 19.58m/arcsec2 (Moon slightly over the horizon) just within a 30 minute timeframe.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

Copernicus crater (Our Moon)
Also known as: Copernicus + Fauth + Gay-Lussac
Right ascension: h m Declination: ° '
Constellation:
Date/time: 2009.12.26 17:15 UT
Equipment: 12" f/5 Newtonian
FoV: ' Magnification and filter(s): 250x + 30% neutral filter(s)
Seeing: 4/10 Transparency: 1/5

This is my first ever Moon-sketch, displaying craters Copernicus, Fauth and Gay-Lussac with some other sub-craters and domes not noted on the sketch. This is my actual sketch done at the eyepiece, no alterations were made after manually or digitally, other than resizing. It took about 45 minutes to finish, and I'm quite satisfied with it, althouth I've found that sketching the Moon is indeed very hard and very different from sketching deep space objects. Perhaps I should not finish Lunar sketches at the eyepiece but create only drafts with different markings for different shades and create the actual sketch in the warmth of the room. As an additional difficulty, the sky was 100% covered with a thin layer of cloud which made the image to be in constant change, only 1 or 2 stars was visible here and then. Moon phase was about 69%.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 1662 meteor (Various/other)
Right ascension: 4h 49m Declination: 10° 58'
Constellation: Orion
Date/time: 2009.11.24 00:18 UT
Equipment: 12" f/5 Newtonian
FoV: 30' Magnification and filter(s): 100x
Seeing: 7/10 Transparency: 3/5

I was sketching the marvelous open cluster of NGC 1662 at 100x and just after I finished and took a final look, at 00:18 UT suddenly a fiery meteor rushed through the FoV, leaving a bluish ionized tail behind. This was visible for about 10 seconds before it disappeared forever. The series of sketches I've rendered digitally after quick drafts made at the eyepiece, using my actual NGC 1662 sketch as a background. As you can see, the tail was quickly moving to the North (thanks to the Dobsonian mount I was able to react and follow very quickly). While it constantly lost its brightness, it became wider and wider, and the most interesting phenomenon was the change of its shape: it got 'broken' at several points. Between each of these points, the tail remained straight. The joints were visibly brighter than the straight parts, just like on the sketch. I wonder if this is the regular behaviour of ionized tails of meteors, but this is what I saw. Anyhow, it was most probably the greatest 10 seconds of my observing life.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 1662 (Open cluster)
Right ascension: 4h 49m Declination: 10° 58'
Constellation: Orion
Date/time: 2009.11.24 00:00 UT
Equipment: 12" f/5 Newtonian
FoV: 30' Magnification and filter(s): 100x
Seeing: 7/10 Transparency: 3/5

A very spectacular little open cluster in the great Orion constellation. It has only a handful of stars, but they are very different in colour, with brightness in the 9m range. The most interesting part is the paralelogram in the middle. SQM reading: 21.0 m/arcsec2, 9°C.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

NGC 404 (Galaxy)
Also known as: Mirach's ghost
Right ascension: 1h 10m Declination: 36° 46'
Constellation: Andromeda
Date/time: 2009.11.23 23:45 UT
Equipment: 12" f/5 Newtonian
FoV: 15' Magnification and filter(s): 250x
Seeing: 7/10 Transparency: 4/5

This galaxy, also know as Mirach's ghost, not surprisingly is located near the bright star Mirach of the constellation Andromeda. Some have reported difficulties seeing this object, because although it's fairly bright, the glowing of the nearby Mirach easily outshines it. For me, it was visible easily from the start, but after I've increased the magnification to 250x, I was finally able to examine the structure of the galaxy without Mirach in the FoV. You may need eyepieces with good anti-glare coating to disturbing light rays. The galaxy itself is very small, round, with some suspectedly brighter details at its Northern corner, albeit this may be the result of an optical error only. SQM reading: 21.0 m/arcsec2, 9°C.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]

O. Struve 390 (Binary star)
Right ascension: 19h 55m Declination: 30° 12'
Constellation: Cygnus
Date/time: 2009.10.03 18:30 UT
Equipment: 12" f/5 Newtonian
FoV: 10' Magnification and filter(s): 250x
Seeing: 4/10 Transparency: 2/5

Component A is the brightes part of of the trio by far. They split up easily even at 71x. A: 6.5m, white. B: 9.5m, slightly bluish. C: 11m. A-B: 10", PA: 20°. A-C: 16", PA: 170°. SQM reading: 18.33m/arcsec^2 (full moon!), 6°C.

Location: Nádasdladány, Hungary
Observer: Ferenc Lovró
Hi-resolution image: [ reversed sketch | original sketch ]
Guestbook

Date of entry: 12/30/09 15:22:47
Your name: Müller Dániel (K.)
Your comment:
Szia! Nagyon jók a rajzok! Gratula hozzájuk, csodállak :).
Üdv, tiszta, szép, nyugodt egeket!- Dani

Where are you from? Szabadszállás, Hungary
How did you know about my website? Makszutov.hu fórum :)


Date of entry: 07/06/08 15:01:16
Your name: Demelza Ramakers
Your comment:
I really love you're sketches! They are amazing! Keep up the good work!

Clear Skies!
Demelza Ramakers
http://d.ramakers.googlepages.com/home

Where are you from? Holland
How did you know about my website? Cloudy Nights


Date of entry: 05/03/08 16:12:34
Your name: Faith J
Your comment:
Superb sketches, Ferenc, absolutely brilliant. I love the mouse-over effect, too.
http://visualdeepsky.webs.com

Where are you from? England
How did you know about my website? From Cloudy Nights forums


Date of entry: 04/14/08 06:20:04
Your name: Laurie
Your comment:
Awesome sketches! I love it! I was curious what size and what kind of eyepiece were you using with each sketch? I do see the magnification power with each sketch. Thanks - let me know, email address
laurie-wilmothotmail.com

Where are you from? State of Colorado in the USA
How did you know about my website? Cloudy Nights


Date of entry: 04/11/08 07:05:02
Your name: Ferenc Lovró
Your comment:
Feel free to post your comments here. Criticism is welcome, however spam, html, ads, bad words are not tolerated.

Clear skies!

Where are you from? Nádasdladány, Hungary
How did you know about my website? Actually, I'm the owner of it. :)


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

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M42 + M43 sketch NGC 1976 + NGC 1982 sketch NGC 457 sketch NGC 1807 + NGC 1817 sketch M34 sketch NGC 1039 sketch NGC 1502 sketch NGC 2169 sketch NGC 2281 sketch Cr 116 sketch Trumpler 2 sketch Trumpler 3 + PNG138.1+04.1 sketch Tr 3 sketch M52 + OCL261 sketch NGC 7654 + Czernik 43 (Cz 43) sketch WZ Cas sketch WZ Cassiopeiae sketch NGC 1545 sketch Collinder 49 (Cr 49) sketch NGC 1513 sketch Stock 10 sketch M50 sketch NGC 2323 sketch NGC 1528 sketch NGC 2232 sketch M103 sketch NGC 581 sketch Trumpler 1 sketch Tr 1 sketch Stock 23 sketch Saturn sketch Saturn sketch NGC 2683 sketch M53 sketch NGC 5024 sketch M81 + M82 sketch NGC 3031 + NGC 3034 sketch NGC 2648 sketch M67 sketch NGC 2862 sketch M65 + M66 + NGC 3628 sketch Leo trio, NGC 3623 + NGC 3627 + NGC 3628 sketch King 6 sketch M108 sketch NGC 3556 sketch M97 sketch Owl nebula, NGC 3587 sketch M51 + NGC 5195 sketch NGC 5194 + NGC 5195 sketch NGC 4168 + NGC 4189 + NGC 4193 + NGC 4206 + NGC 4208 + NGC 4216 sketch M106 + NGC 4248 sketch NGC 4258 + NGC 4248 sketch M10 sketch NGC 6254 sketch M12 sketch NGC 6218 sketch M13 sketch NGC 6205 sketch M92 sketch NGC 6341 sketch NGC 6229 sketch Epsilon Lyrae sketch Double double sketch M57 sketch Ring nebula, NGC 6720 sketch M27 sketch Dumbbell nebula, NGC 6853 sketch NGC 6210 sketch Turtle nebula sketch NGC 6543 sketch Cat's eye nebula sketch NGC 5907 sketch Splinter galaxy sketch NGC 5981 + NGC 5982 + NGC 5985 sketch Draco trio sketch NGC 7026 sketch The Cheeseburger nebula sketch M45 + Moon occultation sketch Pleiades, NGC 1432, NGC 1435 sketch NGC 7027 sketch Magic carpet nebula sketch NGC 7008 sketch Fetus nebula sketch NGC 7209 sketch NGC 7217 sketch NGC 7332 + NGC 7339 sketch NGC 2126 sketch Herschel H68-8 sketch NGC 2392 sketch Caldwell C39, Herschel H45-4, Eskimo or Clown Face Nebula sketch NGC 7331 + NGC 7335 sketch NGC 7814 sketch M48 sketch NGC 2548 sketch NGC 7457 sketch NGC 7640 sketch NGC 7662 sketch Blue snowball sketch NGC 1342 sketch NGC 2392 sketch Eskimo nebula, Clown face nebula sketch NGC 3222 + NGC 3226 + NGC 3227 sketch NGC 3344 sketch NGC 2129 sketch NGC 3432 sketch Arp 206 sketch NGC 4565 sketch Needle galaxy sketch NGC 4631 + NGC 4656 sketch Whale galaxy + Hockeystick galaxy, Arp 281 sketch NGC 2683 sketch UFO galaxy sketch NGC 5466 sketch M3 sketch NGC 5272 sketch NGC 4036 + NGC 4041 sketch NGC 3718 + NGC 3729 sketch Arp 214 sketch NGC 4244 sketch Caldwell C26 sketch NGC 5005 sketch Caldwell C29 sketch NGC 5033 sketch NGC 4866 sketch NGC 4754 + NGC 4762 sketch NGC 6504 sketch NGC 5857 + NGC 5859 sketch NGC 6535 sketch NGC 6517 sketch NGC 6539 sketch NGC 6910 sketch Rocking Horse cluster sketch The Coathanger sketch Collinder 399 (CR 399), Brocchi's cluster sketch NGC 6934 sketch NGC 6503 sketch NGC 6760 sketch NGC 869 + NGC 884 sketch Double Cluster sketch NGC 6804 sketch NGC 7769 + NGC 7770 + NGC 7771 sketch 3C 147 sketch PGC 2355407 sketch NGC 7625 sketch Arp 212 sketch NGC 6891 sketch NGC 7013 sketch Struve 2161 sketch rho Her sketch Struve 2280 sketch 100 Herculis, 100 Her sketch Struve 2232 sketch Struve 2140 sketch Ras Algethi, alpha Herculis, alpha Her sketch Struve 2063 sketch Struve 2727 sketch gamma Delphini, gamma Del sketch Lovro 2 sketch Struve 2878 sketch O. Struve 390 sketch NGC 404 sketch Mirach's ghost sketch NGC 1662 sketch NGC 1662 meteor sketch Copernicus crater sketch Copernicus + Fauth + Gay-Lussac sketch M44 sketch NGC 2632 sketch NGC 1023 sketch