Theophilus sketch

Theophilus sketch

Theophilus crater - sketch - Bognár Tamás, Zákány
Theophilus crater – sketch – Bognár Tamás, Zákány

Also known as: Theophilus crater
Date/time: 2016.03.14.  18:00-18:10 UT
Equipment: 235/1280 OptiScope, dobsonian mount,
+ Scopium SWA 15,10 ; Planetary 5mm
Seeing: 8/10
Transparency: 3-4/5
Col. : 343°
Temperature: –
Humidity: –
Wind: low
Location: Zákány, Hungary N46°14′ 59,2” E16°57′ 15,3”
Observer: Bognár Tamás

Theophilus is a prominent lunar impact crater that lies between Sinus Asperitatis in the north and Mare Nectaris to the southeast. It partially intrudes into the comparably sized crater Cyrillus to the southwest.

Circular formation forming a remarkable trio with Cyrillus and Catharina. Tormented and steep slopes overhanging Sinus Asperitatis from 1200m and supporting Cyrillus to the South-East Theophilus F to the West and Mädler to the East. Very high walls with terraces overlapped by Theophilus B to the North-West. Flat floor. Imposing central mountain 1 400 m high with 4 summits. Line of crests hills and craterlets.

Interest : Exceptional formation
Observation period: 5 days after New Moon or 4 days afterFull Moon
Minimal Instrument: 10x binoculars

Longitude: 26.285° East
Latitude: 11.452° South
Side: Nearside
Quadrant: South-East
Area: Theophilus crater North-West region