These are light curves of Jovian satellite's mutual event obtained by Japanese observers. These data are sent to IMCCE and used for improvement of the element of satellite's orbit.
The red line in the graph is the N-th polynomial curve to fit to the data set. (8 < N < 12)
Io ocults Europa on Dec. 24, 2009 at 9h 18m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 12 24 | 9h 17m 59s | (I) occ (II) P | 17% | 3.7 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Europa occults Ganymede on Dec. 8, 2009 at 11h 32m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 12 8 | 11h 32m 48s | (II) occ (III) P | 19% | 6.1 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Europa occults Io on Dec. 4, 2009 at 8h 57m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 12 4 | 8h 57m 16s | (II) occ (I) P | 38% | 4.0 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Ganymede occults Europa on Nov. 14, 2009 at 10h 50m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 11 14 | 10h 50m 44s | (III) occ (II) P | 28% | 7.5 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Europa on Oct. 21, 2009 at 12h 12m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 10 21 | 12h 12m 29s | (I) occ (II) P | 14% | 5.3 min |
Observation: Observer：Kazuhisa Miyashita Observatory：Azumino, Nagano, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Europa occults Ganymede on Oct. 19, 2009 at 12h 36m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 10 19 | 12h 35m 59s | (II) occ (III) A | 22% | 5.8 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io eclipses Europa on Sep. 19, 2009 at 15h 30m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 9 19 | 15h 30m 21s | (I) ecl (II) A | 91% | 9.5 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Hayato Watanabe Observatory：Inabe, Mie, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Europa on Sep. 19, 2009 at 13h 55m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 9 19 | 13h 55m 46s | (I) occ (II) P | 17% | 8.1 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io eclipses Europa on Sep. 05, 2009 at 10h 24m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 9 5 | 10h 24m 34s | (I) ecl (II) P | 49% | 11.2 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Europa on Sep. 04, 2009 at 15h 50m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 9 4 | 15h 50m 28s | (I) occ (II) P | 24% | 30.1 min |
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Europa on Aug. 25, 2009 at 17h 29m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 8 25 | 17h 29m 20s | (I) occ (II) P | 16% | 15.0 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Ganimede on Aug. 16, 2009 at 17h 14m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 8 16 | 17h 14m 3s | (I) occ (III) P | 6% | 37.6 min |
Observation: Observer：Kazuhisa Miyashita Observatory：Azumino, Nagano, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io occults Europa on Aug. 03, 2009 at 16h 30m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 8 3 | 16h 30m 52s | (I) occ (II) P | 28% | 9.2 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Io eclipses Europa on Aug. 03, 2009 at 15h 58m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 8 3 | 15h 58m 05s | (I) ecl (II) P | 49% | 9.7 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Raw light curve of individual satellite observed by M. Ida.
Moving averaged light curve of each object.Blue:Io and Europa; Yellow: Ganymede; Magenta: SAO164612
Thin clouds crossed at the first half of this event.
Io occults Europa on Jun. 25, 2009 at 16h 33m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 6 26 | 16h 33m 37s | (I) occ (II) P | 16% | 5.3 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Ganymede occults Europa on Jun. 1, 2009 at 18h 18m (UTC)
| Year | Month Day | Predicted Time(UTC) | Phenomena | Light drop | Duration |
|---|---|---|---|---|---|
| 2009 | 6 1 | 18h 18m 51s | (III) occ (II) P | 22% | 8.0 min |
Observation: Observer：Masayuki Ishida Observatory：Moriyama, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)
Observation: Observer：Miyoshi Ida Observatory：Higashi-Omi, Shiga, Japan
Video image and Analysis for obtaining light curve. .CSV data of luminous intensity (lowpass filtred)