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OBS-V : C/2011 L4 PANSTARRS

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  • cometas71
    Hi all , 2013 Mar.20.75 UT: m1 = +2.7 (S) , Dia=5´, DC=9, Tail long.=0.4º ,B 10X50 ,J.P.Navarro Pina, Alt. 280 mts.( Campos del Rio , Murcia , Spain).
    Message 1 of 10 , Mar 20, 2013
      Hi all ,


      2013 Mar.20.75 UT: m1 = +2.7 (S) , Dia=5´, DC=9, Tail long.=0.4º ,B 10X50 ,J.P.Navarro Pina, Alt. 280 mts.( Campos del Rio , Murcia , Spain).



      Regards , J.P.Navarro Pina
    • cometas71
      Hi all , 2013 Mar.27.84 UT: m1 = +3.0 , Dia=3´, DC=6, Tail long.=0.3º ,B 10X50 ,J.P.Navarro Pina .( El Palmar , Murcia , Spain). Regards , J.P.Navarro Pina
      Message 2 of 10 , Mar 27, 2013
        Hi all ,


        2013 Mar.27.84 UT: m1 = +3.0 , Dia=3´, DC=6, Tail long.=0.3º ,B 10X50 ,J.P.Navarro Pina .( El Palmar , Murcia , Spain).



        Regards , J.P.Navarro Pina
      • cometas71
        Hi all , 2013 Mar.29.81 UT: m1 = +3.7, Dia= 3´, DC=3, Tail long.=0.3º ,B 10X50 ,J.P.Navarro Pina .( El Palmar , Murcia , Spain). Regards , J.P.Navarro Pina .
        Message 3 of 10 , Mar 29, 2013
          Hi all ,


          2013 Mar.29.81 UT: m1 = +3.7, Dia= 3´, DC=3, Tail long.=0.3º ,B 10X50
          ,J.P.Navarro Pina .( El Palmar , Murcia , Spain).



          Regards , J.P.Navarro Pina .
        • huihsing2004
          Dear all, Three evenings of clear weather: C/2011 L4 (PANSTARRS) 2013 Mar. 21.795 m1=$S 2.8, Dia=3 , DC=8, dust tail 1.1 deg in PA 40, 10x56B. Altitude comet:
          Message 4 of 10 , Mar 29, 2013
            Dear all,
            Three evenings of clear weather:

            C/2011 L4 (PANSTARRS)

            2013 Mar. 21.795 m1=$S 2.8, Dia=3', DC=8, dust tail 1.1 deg in PA 40, 10x56B.
            Altitude comet: 9.4 deg.
            Comparison stars: 31 del And = 3.40 (Alt. 17.7 deg.). 99 eta Psc = 3.71 (Alt. 12.8 deg.).
            Using Summer table because of Relative Humidity of 82%. Temp. -1.4 C.

            2013 Mar. 26.803: !m1= 3.5, Dia=3', DC=7/, tail 1.5 deg in PA 20, 10x56B
            Altitude comet: 11.7 deg.
            Comparison stars: 31 del And = 3.40 (Alt. 13.6 deg.). 99 eta Psc = 3.71 (Alt. 8.2 deg.).
            Using Winter table because of Relative Humidity of 60%. Temp. 0.0 C.

            2013 Mar. 27.803: m1=! 3.7, Dia=3', DC=7, tail >1.5 deg in PA 15,10x56B
            Altitude comet: 12.4 deg.
            Comparison stars: 31 del And = 3.40 (Alt. 13.2 deg.). 30 eps And = 4.44 (Alt. 11.8 deg.).
            Using Winter table because of Relative Humidity of 50%. Temp. -1.9 C.

            Comet seems brighter in 6.5 x 44B. Probably because of interference of the dust tail.

            All observations in Moonlight and at the end of the Nautical Twilight from the City of Groningen, The Netherlands.

            ICQ format.

            2011L4 2013 03 21.80 $S 2.8 TK 5.6B 10 & 3 8 1.10 40 ICQ XX BUS01
            2011L4 2013 03 26.80 !S 3.5 TK 5.6B 10 & 3 7/ 1.50 20 ICQ XX BUS01
            2011L4 2013 03 27.80 !S 3.7 TK 5.6B 10 & 3 7 1.50 15 ICQ XX BUS01


            Peter Bus,
            Groningen, The Netherlands
          • huihsing2004
            Dear all, C/2011 L4 (PANSTARRS) 2013 Apr. 1.816 UT: m1=4.5*, Dia=3 , DC=7, Tail: 1.5 deg. in PA 5°, 10x56 B; Peter Bus (Groningen, The Netherlands). Altitude
            Message 5 of 10 , Apr 1, 2013
              Dear all,

              C/2011 L4 (PANSTARRS)

              2013 Apr. 1.816 UT: m1=4.5*, Dia=3', DC=7, Tail: 1.5 deg. in PA 5°, 10x56 B; Peter Bus (Groningen, The Netherlands).

              Altitude Comet: 13.55 deg. Comparison stars: 24 And= 4.61 (Alt. 13.1 deg.) and combined magnitude of 29 And =4.24 (Alt. 10.9 deg.).

              Using winter table for extinction correction.

              Observations at the end of the Nautical Twilight from the City of Groningen, The Netherlands.

              Cheers,

              Peter Bus
            • huihsing2004
              Dear all, C/2011 L4 (PANSTARRS) 2013 Apr. 2.816 UT: m1=4.6*, Dia=3 , DC=6/, Tail: 1.3 deg. in PA 0°, 10x56 B;[Fan-shaped tail spanned about PA 50-0°. Comet
              Message 6 of 10 , Apr 2, 2013
                Dear all,

                C/2011 L4 (PANSTARRS)

                2013 Apr. 2.816 UT: m1=4.6*, Dia=3', DC=6/, Tail: 1.3 deg. in PA 0°, 10x56 B;[Fan-shaped tail spanned about PA 50-0°. Comet altitude: 14.2° Using winter table for extinction correction. Observation at the end of the Nautical Twilight].

                Cheers,

                Peter Bus,

                Groningen, The Netherlands.
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