Mike Raggett
Moon - Day 8 - Ptolemaeus, Alphonsus, Arzachel
Ptolemaeus is the lower of the three craters. It is 153km in diameter and 2.4km deep.
Alphonsus is the central crater, it measures 119km wide and is 2.7km deep the crater has a 1.5km central peak.
The upper most crater is Arzachel is 96km wide and is the deepest of the three craters at 3.6km, it also has a central peak rising to 1.5km.
Taken 29nd December 2014 - Celestron 8SE
ZWO ASI 120MCS
Stacked in AutoStakkert 2.20
Post Processed in Registax 6
Total stacked frames: 6239. Best 1250 frames used.
Moon - Day 8 - Ptolemaeus, Alphonsus, Arzachel
Ptolemaeus is the lower of the three craters. It is 153km in diameter and 2.4km deep.
Alphonsus is the central crater, it measures 119km wide and is 2.7km deep the crater has a 1.5km central peak.
The upper most crater is Arzachel is 96km wide and is the deepest of the three craters at 3.6km, it also has a central peak rising to 1.5km.
Taken 29nd December 2014 - Celestron 8SE
ZWO ASI 120MCS
Stacked in AutoStakkert 2.20
Post Processed in Registax 6
Total stacked frames: 6239. Best 1250 frames used.