400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control. Clear & cold, very high moisture (no wind). Scatter increased during observation, suspect dew formation on mirrors. Second upload of observation, this time with standard ensemble photometry, previous upload used limited comps for Spring joint observing campaign.
400mm f6.8 ODK, ST10XME, J/C Filters 240 second exposure through Rc filter. GPS time control. Clear & cold, very high moisture (no wind). Scatter increased during observation, suspect dew formation on mirrors. Second upload of observation, this time with standard ensemble photometry, previous upload used limited comps for Spring joint observing campaign.
400mm f6.8 ODK, ST10XME, J/C Filters Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement. Clear & cold, very high moisture (no wind). Scatter increased during observation, suspect dew formation on mirrors. 240 second exposure through Rc filter, GPS time control.
400mm f6.8 ODK, ST10XME, J/C Filters Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement. Clear & cold, very high moisture (no wind). Scatter increased during observation, suspect dew formation on mirrors.
400mm f6.8 ODK, ST10XME, J/C Filters Observation made for Spring simultaneous observing campaign, limited comp stars as per campaign requirement. Clear & cold, very high moisture (no wind). Scatter increased during observation, suspect dew formation on mirrors. 240 second exposure through Rc filter, GPS time control.
Célestron 8, Canon 1100D, sans filtre Target with comparison stars chosen by Jana Busovska Weather report middle transit : air temperature : 2.9 °C - atmospheric pressure : 1022.5 - air humidity 63% - clear sky
Celestron C9.25 w reducer, QHY 294 M - Temperature: avg 1.7 °C, min 0.6 °C, max 2.8 °C - Pressure (not sea level corrected): avg 1008.8 hPa, min 1008.6 hPa, max 1009.3 hPa - Humidity: avg 68.1 %, min 66.6 %, max 70%
