Comet McNaught (C/2009 R1)

Observations in South Bavaria / Germany

in deutsch


 

Comet McNaught (C/2009 R1)

Prognosis on 06/04/2010

Comet McNaught C2009/R1 has now the estimated mag* 5,3, If this trend goes further on like this it will become  a bright object of may mag* 2-3, observable between the 15th-28th of June with naked eyes easily. Best observation time is 2:00-3:00 o'clock in the morning. From the middle of June you can see the comet postioned deep in the northern direction also before midnight. Comet McNaught gets circumpolar at the 06/07/10 (Valid for the latitude 48° north ).

The way of Comet

06/06/10 at 00:30 UTC 06/15/10 at 00:30 UTC 06/22/10 at 00:50 UTC

Advice: Due to the close orbital way around the sun the comet is best to observe between the northern latitudes 47° to 52° on earth. If you are too much in the southern areas the comet will decline too near to the horizon, if you are in the upper northern part of earth the problem are the 'white nights'. That means it won't get dark enough.

Comet passing Persei delta at 06/15/2010, 00:52 - 1.06UTC

Due to the 'bad seeing' weather situation and two failure trips up to an altitude of 2000m in the Austrian/Italian Alps the last chance to get actually one image was one nice day/night at the 15th of June.

 C/2009 Comet R1   C/2009 Comet R1

This images were taken near Höchstadt/Dillingen, Bavaria. The whole night weak cirrostratus were disturbing the obeservations. Only in the last half hour before the morning dawn the sky got clearer. The upper photo was shot right trough the 'soup', the down photo near the upper bound of the hazy horizon. The comet arosed to an altitude of 15°. The brightness was hard to determine but surprisingly it seemed that the brightness of comet gets weaker. Offical observations are confirming this negative trend.

Maybe this are the last images.

C/2009 Comet R1  C/2009 Comet R1

Canon 50D auf Newton 900mm/f4.5; Orion optics

Comet at 06/06/2010, 0:00 - 1.00UTC

     Comet McNaught (C/2009 R1)  

Comet passing star Almach (6th of June , 2.00h) in a distance of 2° degree. Canon 50D, Nikkor 300/dig480 f 2,8, exposure time 3x35 sec ASA 400.

Comet at 06/05/2010, 0.15 UTC

   

Welcome photo (5th of June,2.30h), Left photo: Tamron 100mm F3,5, Andromeda Galaxy right up, the comet down left: Remember these little green spot. It will get growing soon.  Right photo: The comet with a little faint tail

 


*mag  = > light magnitude: Up to mag +3-4 stars are visible nearby cities with the naked eye, in very dark areas the seeing limit can reach up to mag +6-7.

The more higher numerical value is given, the more weaker are the objects. E.g. - 4,7 mag, Venus glittering; - 1,0 Sirius, brightest star; +3,5 M31 Andromeda, pale shiny oval)


All comet observations from 2001 up to now ..


Further Links

       KOMETEN.INFO    

                         astronomie.de 

Recent Comet Brightness Estimate   

 

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 ©2010 photos& text by Thorsten Boeckel (tb)


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