Observing on Mt.Teide, Tenerife, 5th night

Date: 10./11.10.2015 Time: 20:00-22:00 (local time) Observing site: Tabonal Negro (2362m), Teide N.P., Tenerife, Spain Instrument: L80/400mm (3” refractor) NELM: 6.6 SQM: 21.05-21.34 Darkness of the background sky: 1 Seeing: 2 Transparency: 1 Weather: Clear sky, calm, +13C Objects observed: NGC 6242, 6281, 6520, 6544 During the fifth and last night of observing during my …

Observing on Mt.Teide, Tenerife, 4th night

Date: 9./10.10.2015 Time: 20:00-23:00 (local time) Observing site: Mirador de Chio (2100m), Teide N.P., Tenerife, Spain Instrument: L80/400mm (3” refractor) NELM: 6.6 SQM: 20.98-21.30 Darkness of the background sky: 1 Seeing: 2 Transparency: 1 Weather: Clear sky, light wind, +16 - +15 C Objects observed: NGC 6231, 6400, 6441, 6541, 6723 On the fourth night …

Observing on Mt.Teide, Tenerife, 3rd night

Date: 8./9.10.2015 Time: 21:30-23:00 (local time) Observing site: El Retamar (2100m), Teide N.P., Tenerife, Spain Instrument: L80/400mm (3” refractor) NELM: 5.7 SQM: 20.93-21.15 Darkness of the background sky: 1 Seeing: 2 Transparency: 2 to 3 Weather: Some high clouds, otherwise clear sky, calm, +12 C Objects observed: NGC 55, 253, 288, 6624 The third night …

Observing in Tähtikallio Observatory 15./16.9.2012

Date: 15./16.9.2012 Time: 22:00-03:30 Observing site: Tähtikallio observatory, Finland Instrument: C406/4064mm (16” Catadioptric) NELM: 6,6 SQM: 21,28 Darkness of the background sky: 2 Seeing: 2 Transparency: 1 Weather: Clear sky, calm, no Moon, +10 °C Objects observed: Caldwell 30 (NGC 7331) (visual, sketching), Hickson 92 (visual, sketching), Hickson 94 (visual, sketching) In this session I …