Telescopic comet Smirnova-Chernykh - 11.3.2017 at 22.18 - 11.3.2017 at 22.37 Orimattila, Artjärvi, Tähtikallio Observation number 62011

Visibility I / V

Kari Laihia, Veikko Mäkelä, Tapio Lahtinen, Timo Kantola, Jorma Ryske, Ville Miettinen, Porin Karhunvartijat

74P / Smirnova – Chernykh
Comet as a training object during the Tähtikallio photometry workshop. Alluna's Shooting Team:
Ville Miettinen, Veikko Mäkelä, Jorma Ryske, Timo Kantola, Janne Voutilainen, Tapio Lahtinen and the undersigned.
Images calibrated with MuniWin, stacked and comet photometrically measured brightness mag 18.1 MaxinmDL v.4.5. The target was so dotted, without the tail that some sort of measurement was successful. Calibration was better for MuniWin than MaximDL, so I used it.

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11 7

Additional information

Observation target
- Comet
Name of the observation target
- 74P/Smirnova-Chernykh
- Erittäin heikosti näkyvä
Brightness in magnitudes
- 18,1

Weather
- Täysikuu haittasi hieman.
Title for the comet
- Telescopic comet

Technical information

Alluna RC16, C415 / 3320, SBIG 1001E, filter L, 5 x 120 s

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Telescopic comet Smirnova-Chernykh - 11.3.2017 at 22.18 - 11.3.2017 at 22.37 Orimattila, Artjärvi, Tähtikallio Observation number 62011