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Nicknamed Snake because of the S-shape,
B72 is situated a bit more than a degree North of Theta Oph.
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| Optics | Pentax 75 apochromatic refractor |
| Focal Lenght | 500 mm |
| Focal Ratio | f/6,7 |
| Exposure Time | 30 min exposure |
| Film | Kodak E200 |
| Developement sensibility | 320 ISO |
| Location | Pian dell'Armà (PV, on the Appennines, Italy) at 1400m |
| Date and time of exposure start | 31 may 2003, 23.58 UT |
| Mount | Gemini G41 |
| Tracking | ST4 |
| Temperature and humidity | T=+11°C, RH=88% |
| Notes | - |
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